Medicare Enrolled
Dr. Janet Schwartzenberg, MD
Rheumatology · Amarillo, TX
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Schwartzenberg from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
Are you Dr. Schwartzenberg?
Request a correction or review of any data shown here. Provider portal →
What this data tells you about Dr. Schwartzenberg
Dr. Janet Schwartzenberg is a rheumatology specialist in Amarillo, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Schwartzenberg performed 270,739 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Schwartzenberg received a total of $23,832 from 52 pharmaceutical and/or device companies across 1503 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Schwartzenberg is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 20 years of NPI registration
▲ Top 2% volume in TX
$23,832 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗270,739
Medicare services
Top 2% in TX for rheumatology
Not available
Unique patients (not deduplicated)
$10
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Certolizumab injection (Cimzia) An injection of certolizumab pegol administered under the direct supervision of a physician. |
97,200 | $4 | $11 |
| Tocilizumab injection (Actemra) | 64,320 | $5 | $7 |
| Golimumab infusion (Simponi Aria) Administration of golimumab medication directly into a vein. This code specifies the dosage amount of 1 milligram for intravenous delivery. |
40,300 | $11 | $40 |
| Romosozumab injection (Evenity) for osteoporosis | 13,650 | $8 | $25 |
| Denosumab injection (Prolia/Xgeva) | 11,880 | $18 | $35 |
| Abatacept infusion (Orencia) An injection of abatacept administered under the direct supervision of a physician. This code is used for Medicare when the drug is not self-administered. |
9,850 | $34 | $71 |
| Infliximab infusion (Remicade) An injection of infliximab, excluding biosimilar versions, administered in a 10 mg dose. |
5,510 | $26 | $130 |
| Rituximab injection, 10 mg Administration of a 10 mg dose of rituximab medication via injection. |
4,300 | $61 | $120 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
2,603 | $1 | $25 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
2,312 | $6 | $7 |
| Sed rate test (inflammation marker) This automated test measures how quickly red blood cells settle in a tube to detect inflammation in the body. |
1,958 | $3 | $5 |
| C-reactive protein test (inflammation marker) A blood test that measures the level of C-reactive protein to detect the presence of infection or inflammation in the body. |
1,933 | $5 | $60 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
1,922 | $7 | $13 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
1,871 | $10 | $19 |
| Direct bilirubin level test A blood test that measures the amount of direct bilirubin in your body. Direct bilirubin is the form of the waste product processed by the liver. |
1,848 | $5 | $9 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,249 | $58 | $101 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,036 | $85 | $154 |
| Drug test, instrument-assisted A laboratory test to detect the presence of drugs using an instrument for observation. |
680 | $16 | $120 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
532 | $97 | $150 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
502 | $4 | $8 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
463 | $55 | $79 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
426 | $10 | $23 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
417 | $28 | $44 |
| Complement and antigen measurement A laboratory test to measure levels of complement proteins and antigens in the blood. |
300 | $11 | $23 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
264 | $14 | $29 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
252 | $21 | $33 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
229 | $52 | $105 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
210 | $3 | $7 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
193 | $9 | $16 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
188 | $16 | $27 |
| Autoimmune disorder antibody test A laboratory test that measures antibodies in the blood to help assess for autoimmune disorders. |
172 | $17 | $30 |
| Free T3 thyroid hormone test A blood test that measures the level of free triiodothyronine (T3) hormone in your body. This helps assess how well your thyroid gland is functioning. |
140 | $16 | $28 |
| Intravenous infusion, 1 hour or less Administration of medication or fluid directly into a vein for therapeutic, preventive, or diagnostic purposes. The procedure lasts one hour or less. |
132 | $48 | $89 |
| DNA antibody test (native or double-stranded) A blood test that measures the level of antibodies targeting native or double-stranded DNA. This test is used to detect the presence of these specific antibodies in the body. |
127 | $13 | $45 |
| Cardiac enzyme level (CK-MB) test A blood test that measures the total level of creatine kinase, specifically the cardiac enzyme fraction, to help evaluate heart muscle damage. |
121 | $6 | $22 |
| Iron level test | 119 | $6 | $28 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
115 | $13 | $53 |
| Zoledronic acid injection, 1 mg An injection of zoledronic acid administered at a dose of 1 mg. |
115 | $6 | $31 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
100 | $11 | $23 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
95 | $8 | $16 |
| Joint fluid aspiration or injection, small joint Removal of fluid from a small joint or injection of medication into a small joint. |
85 | $32 | $66 |
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
82 | $35 | $61 |
| Ceftriaxone antibiotic injection This code represents the administration of ceftriaxone sodium, an antibiotic medication. The charge is calculated for every 250 mg of the drug administered. |
76 | $0 | $25 |
| Principal care management for high-risk disease, first 30 minutes This service covers the initial 30 minutes of clinical staff time per calendar month to manage a single high-risk disease. It is directed by a healthcare professional. |
66 | $45 | $75 |
| Ketorolac injection, per 15 mg An injection of ketorolac tromethamine, a nonsteroidal anti-inflammatory drug, administered in doses measured per 15 mg. |
64 | $0 | $25 |
| X-ray of hand, minimum of 3 views An X-ray imaging test of the hand that captures at least three different angles to visualize the bones and joints. |
55 | $17 | $34 |
| Methylprednisolone injection, up to 125 mg An injection of methylprednisolone sodium succinate, a corticosteroid medication, with a dosage of up to 125 mg. |
55 | $4 | $25 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
53 | $6 | $20 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
51 | $1 | $25 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
47 | $117 | $215 |
| Rheumatoid arthritis antibody test A blood test to measure antibodies used in assessing rheumatoid arthritis. |
45 | $13 | $50 |
| Rheumatoid factor level | 43 | $6 | $45 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
33 | $3 | $32 |
| Liver function blood test panel | 33 | $3 | $50 |
| Autoimmune disorder screening test A laboratory test used to screen for the presence of autoimmune disorders. |
31 | $12 | $21 |
| Joint fluid aspiration or injection, medium joint Removal of fluid from a medium-sized joint or injection of medication into the joint space. |
28 | $38 | $72 |
| Chronic care management, first 20 min/month This service covers the first 20 minutes of clinical staff time directed by a healthcare professional each calendar month to manage chronic conditions. |
28 | $48 | $64 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
24 | $13 | $28 |
| X-ray of lower and sacral spine, minimum 6 views An X-ray imaging test that captures at least six views of the lower back and sacral spine to evaluate bone structure and alignment. |
23 | $34 | $55 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
23 | $10 | $15 |
| Knee X-ray, 3 views An X-ray imaging test of the knee joint that captures three different angles to evaluate the bones and surrounding structures. |
18 | $21 | $49 |
| Parathyroid hormone level test A blood test that measures the amount of parathyroid hormone in your body. This hormone helps regulate calcium levels in the blood and bones. |
18 | $40 | $150 |
| Thyroglobulin antibody blood test A blood test that measures the level of antibodies against thyroglobulin, a protein produced by the thyroid gland. |
18 | $16 | $76 |
| LDL cholesterol level test A blood test that measures the amount of low-density lipoprotein (LDL) cholesterol in your blood. LDL is often referred to as "bad" cholesterol. |
17 | $10 | $18 |
| Microsomal antibody test A blood test that measures the level of microsomal antibodies, which are autoantibodies produced by the immune system. |
17 | $14 | $56 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
13 | $27 | $41 |
| Natriuretic peptide level test A blood test that measures the level of natriuretic peptide, a protein produced by the heart and blood vessels. |
13 | $38 | $89 |
| X-ray of upper spine, 6 or more views An X-ray imaging test of the upper spine using six or more separate views to capture detailed images of the bones and structures in that area. |
12 | $36 | $61 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
12 | $24 | $25 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
11 | $13 | $33 |
| Quadrivalent influenza vaccine, preservative-free A flu shot containing four strains of the influenza virus, formulated without preservatives, administered in a 0.5 ml dose. |
11 | $18 | $40 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
20.8% high complexity
72.4% medium
6.8% routine
Industry Payment Transparency
Open Payments through 2024 ↗$23,832
Total received (2018-2024)
Avg $3,405/year across 7 years
Top 17% in TX for rheumatology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
52
Companies
1,503
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$5,056
2023
$3,045
2022
$3,067
2021
$2,961
2020
$2,860
2019
$3,322
2018
$3,520
Payments by company (2024)
Johnson & Johnson Health Care Systems Inc.
$1,512
Amgen Inc.
$660
ABBVIE INC.
$433
UCB, Inc.
$364
AstraZeneca Pharmaceuticals LP
$290
Janssen Biotech, Inc.
$276
PFIZER INC.
$256
Radius Health, Inc.
$204
Novartis Pharmaceuticals Corporation
$193
Lilly USA, LLC
$153
Actelion Pharmaceuticals US, Inc.
$147
ANI Pharmaceuticals, Inc.
$108
GlaxoSmithKline, LLC.
$98
E.R. Squibb & Sons, L.L.C.
$84
Aurinia Pharma U.S., Inc.
$53
Organon Llc
$51
SCILEX PHARMACEUTICALS INC.
$50
Boehringer Ingelheim Pharmaceuticals, Inc.
$46
Mallinckrodt Hospital Products Inc.
$45
SOBI, INC
$21
Ultragenyx Pharmaceutical Inc.
$16
Top 3 companies account for 51.5% of 2024 payments
All-time payments by company (2018-2024) ›
Amgen Inc.
$2,962
UCB, Inc.
$2,504
Johnson & Johnson Health Care Systems Inc.
$1,512
PFIZER INC.
$1,462
Janssen Biotech, Inc.
$1,399
Genentech USA, Inc.
$1,124
AbbVie Inc.
$1,098
Horizon Therapeutics plc
$1,063
E.R. Squibb & Sons, L.L.C.
$1,031
ABBVIE INC.
$875
Radius Health, Inc.
$848
AbbVie, Inc.
$835
Lilly USA, LLC
$753
AstraZeneca Pharmaceuticals LP
$731
GlaxoSmithKline, LLC.
$693
Novartis Pharmaceuticals Corporation
$614
Mallinckrodt Hospital Products Inc.
$434
Boehringer Ingelheim Pharmaceuticals, Inc.
$423
GENZYME CORPORATION
$416
ANI Pharmaceuticals, Inc.
$387
Celgene Corporation
$378
Aurinia Pharma U.S., Inc.
$365
Mallinckrodt Enterprises LLC
$225
Exeltis, USA Inc.
$183
Mallinckrodt LLC
$173
Horizon Pharma plc
$165
Actelion Pharmaceuticals US, Inc.
$158
Janssen Scientific Affairs, LLC
$127
SANOFI-AVENTIS U.S. LLC
$117
SOBI, INC
$68
Allergan Inc.
$65
ViiV Healthcare Company
$62
DePuy Synthes Sales Inc.
$59
Eisai Inc.
$51
Organon Llc
$51
SCILEX PHARMACEUTICALS INC.
$50
Flexion Therapeutics, Inc.
$42
Takeda Pharmaceuticals U.S.A., Inc.
$35
Ultragenyx Pharmaceutical Inc.
$34
Organon LLC
$33
Daiichi Sankyo Inc.
$32
Purdue Pharma L.P.
$29
Bioventus LLC
$27
Mylan Institutional Inc.
$20
Insmed, Inc.
$19
Abbott Laboratories
$18
Astellas Pharma US Inc
$18
IDORSIA PHARMACEUTICALS US INC
$15
Medtronic USA, Inc.
$13
Gilead Sciences, Inc.
$13
Merck Sharp & Dohme Corporation
$12
Iroko Pharmaceuticals, LLC
$12
Top 3 companies account for 29.3% of all-time payments
Associated products mentioned in payments ›
ACTHAR · AVSOLA · AVYCAZ · Actemra · Arikayce · BENLYSTA · Bimzelx · COSENTYX · CYLTEZO · Cimzia · Crysvita · DOVATO · DUEXIS · Dayvigo · Durolane · EVENITY · Enbrel · FORTEO · HADLIMA · HUMIRA · HYSINGLA ER · Hulio · Humira · ILARIS · INFLECTRA · INJECTAFER · KEVZARA · KINERET · KRYSTEXXA · Kineret · LUPKYNIS · LYRICA · MONOVISC · MYCAMINE · NEXVIAZYME · OFEV · OPSUMIT · ORENCIA · Otezla · PAXLOVID · PENNSAID · PREVNAR - 13 · PREVNAR 13 · PROCLAIM · PURIFIED CORTROPHIN GEL · Prolia · QULIPTA · QUVIVIQ · RAYOS · REMICADE · RENFLEXIS · RHEUMATOID ARTHRITIS DISEASE · RINVOQ · Rinvoq · Rituxan · SAPHNELO · SIMPONI · SIMPONI ARIA · SKYRIZI · STELARA · SYMPROIC · SYNCHROMED · SYNVISC-ONE · TALTZ · TAVNEOS · TREMFYA · TRINTELLIX · TRIUMEQ · Tavneos · Tymlos · UBRELVY · VIVLODEX · VRAYLAR · XELJANZ · ZERBAXA · ZTLido · Zilretta
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Rheumatologists in nearby ZIP areas
7
County median income
$50,448
Nearest hospital to ZIP centroid (approximate)
NORTHWEST TEXAS HOSPITAL
0.0 mi
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Schwartzenberg is a mixed practice specialist, with above-average Medicare volume (top 2% in TX), with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Schwartzenberg experienced with certolizumab injection (cimzia)?
Based on Medicare claims data, Dr. Schwartzenberg performed 97,200 certolizumab injection (cimzia) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Schwartzenberg receive payments from pharmaceutical companies?
Yes. Dr. Schwartzenberg received a total of $23,832 from 52 companies across 1,503 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Schwartzenberg's costs compare to other rheumatologists in Amarillo?
Dr. Schwartzenberg's average Medicare payment per service is $10. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Schwartzenberg) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
Explore related providers
Same specialty & city
Rheumatologists in Amarillo
Browse rheumatologists in Amarillo ranked by procedure volume and transparency data.
Highest volume
Top Rheumatologists in TX
Rheumatologists ranked by total Medicare services performed statewide.
Industry payments
Pharma Payments to Rheumatologists in TX
Which TX rheumatologists receive the most from drug and device companies.
By company
Amgen Inc. Payments to Doctors
See all physicians who received payments from Amgen Inc.
By company
UCB, Inc. Payments to Doctors
See all physicians who received payments from UCB, Inc.
By company
Johnson & Johnson Health Care Systems Inc. Payments to Doctors
See all physicians who received payments from Johnson & Johnson Health Care Systems Inc.
About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology