Medicare Enrolled
Dr. Walter Klein, M.D.
Internal Medicine · Harrington Park, NJ
Practice pattern: Clinical Cardiology
— Primarily office-based clinical cardiology
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. Klein 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 →
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What this data tells you about Dr. Klein
Dr. Walter Klein is an internal medicine specialist in Harrington Park, NJ, with 21 years of NPI registration. Based on federal Medicare data, Dr. Klein performed 1,156 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Klein received a total of $7,093 from 67 pharmaceutical and/or device companies across 441 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. Klein 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.
✓ 21 years of NPI registration
▲ Top 42% volume in NJ
$7,093 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗1,156
Medicare services
Top 42% in NJ for internal medicine
Not available
Unique patients (not deduplicated)
$79
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 |
|---|---|---|---|
| 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. |
336 | $66 | $240 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
104 | $64 | $325 |
| Upper GI endoscopy with biopsy A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities. |
96 | $80 | $475 |
| Advance care planning consultation, first 30 min A session focused on discussing and documenting future healthcare preferences and goals. This service covers the initial 30 minutes of the planning discussion. |
81 | $14 | $185 |
| Colon polyp removal with endoscopic snare This procedure removes polyps or growths from the large bowel using a flexible tube with a camera and a wire loop tool. The snare is used to cut off the growths during the examination. |
79 | $211 | $870 |
| Colonoscopy A diagnostic exam of the large bowel using a flexible endoscope to visualize the interior of the colon. |
73 | $149 | $630 |
| Colonoscopy with biopsy A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease. |
65 | $107 | $685 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
54 | $59 | $395 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
50 | $66 | $160 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
49 | $12 | $60 |
| 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. |
36 | $11 | $70 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
33 | $34 | $70 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
23 | $1 | $5 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
22 | $72 | $90 |
| 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. |
16 | $132 | $365 |
| Colonoscopy for colorectal cancer screening A colonoscopy performed to screen for colorectal cancer in individuals who are not at high risk for the disease. |
14 | $201 | $630 |
| New patient office visit, complex (60-74 min) | 13 | $142 | $460 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
12 | $151 | $445 |
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.
Industry Payment Transparency
Open Payments through 2024 ↗$7,093
Total received (2018-2024)
Avg $1,013/year across 7 years
Top 11% in NJ for internal medicine
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
67
Companies
441
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
$762
2023
$1,242
2022
$1,355
2021
$876
2020
$722
2019
$1,232
2018
$904
Payments by company (2024)
PFIZER INC.
$132
Takeda Pharmaceuticals U.S.A., Inc.
$58
Janssen Biotech, Inc.
$53
Lilly USA, LLC
$49
Astellas Pharma US Inc
$41
ABBVIE INC.
$34
Ardelyx, Inc.
$33
IRONWOOD PHARMACEUTICALS, INC
$32
Amgen Inc.
$32
Ipsen Biopharmaceuticals, Inc
$29
Gilead Sciences, Inc.
$28
Braintree Laboratories, Inc.
$21
Otsuka America Pharmaceutical, Inc.
$21
GENZYME CORPORATION
$20
Novo Nordisk Inc
$19
Inspire Medical Systems, Inc.
$19
Lexicon Pharmaceuticals, Inc.
$17
Celgene Corporation
$17
Kowa Pharmaceuticals America, Inc.
$17
AstraZeneca Pharmaceuticals LP
$16
Lundbeck LLC
$15
Phathom Pharmaceuticals, Inc.
$15
Corcept Therapeutics
$15
Abbott Laboratories
$14
GlaxoSmithKline, LLC.
$14
Top 3 companies account for 31.8% of 2024 payments
All-time payments by company (2018-2024) ›
ABBVIE INC.
$868
Amgen Inc.
$448
PFIZER INC.
$411
AbbVie Inc.
$360
Novo Nordisk Inc
$319
Takeda Pharmaceuticals U.S.A., Inc.
$306
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$274
Boston Scientific Corporation
$263
Merck Sharp & Dohme Corporation
$256
Celgene Corporation
$252
Olympus America Inc.
$237
Janssen Biotech, Inc.
$212
Ferring Pharmaceuticals Inc.
$193
AbbVie, Inc.
$138
Ironwood Pharmaceuticals, Inc
$136
E.R. Squibb & Sons, L.L.C.
$122
Allergan Inc.
$118
Amarin Pharma Inc.
$114
Janssen Pharmaceuticals, Inc
$109
Synergy Pharmaceuticals Inc
$106
Intercept Pharmaceuticals, Inc.
$104
GlaxoSmithKline, LLC.
$101
Lilly USA, LLC
$96
Braintree Laboratories, Inc.
$95
Merck Sharp & Dohme LLC
$86
Boehringer Ingelheim Pharmaceuticals, Inc.
$85
RedHill Biopharma Inc.
$78
AstraZeneca Pharmaceuticals LP
$71
Endo Pharmaceuticals Inc.
$70
Kowa Pharmaceuticals America, Inc.
$64
QOL Medical, LLC
$60
IRONWOOD PHARMACEUTICALS, INC
$57
GENZYME CORPORATION
$56
Astellas Pharma US Inc
$54
Medtronic, Inc.
$53
Ardelyx, Inc.
$49
Shire North American Group Inc
$48
Gilead Sciences, Inc.
$42
JAZZ PHARMACEUTICALS INC.
$41
Otsuka America Pharmaceutical, Inc.
$39
ARBOR PHARMACEUTICALS, INC.
$37
Bausch Health US, LLC
$36
Currax Pharmaceuticals LLC
$35
Daiichi Sankyo Inc.
$29
Ipsen Biopharmaceuticals, Inc
$29
INTERCEPT PHARMACEUTICALS, INC.
$25
Bayer Healthcare Pharmaceuticals Inc.
$21
Azurity Pharmaceuticals, Inc.
$20
Inspire Medical Systems, Inc.
$19
Lexicon Pharmaceuticals, Inc.
$17
Cook Medical LLC
$17
Biohaven Pharmaceutical Holding Company Ltd.
$17
Esperion Therapeutics, Inc.
$16
Lundbeck LLC
$15
Phathom Pharmaceuticals, Inc.
$15
Alfasigma USA, Inc.
$15
Corcept Therapeutics
$15
Abbott Laboratories
$14
HARMONY BIOSCIENCES LLC
$14
Avion Pharmaceuticals
$14
SANOFI PASTEUR INC.
$13
Genentech USA, Inc.
$12
Sanofi Pasteur Inc.
$12
Allergan, Inc.
$12
Nestle HealthCare Nutrition Inc.
$12
PORTOLA PHARMACEUTICALS, INC.
$11
Echosens North America, Inc.
$9
Top 3 companies account for 24.3% of all-time payments
Associated products mentioned in payments ›
APLENZIN · Aimovig · BELSOMRA · BEVYXXA · BEXSERO · Balcoltra · CIMZIA · CLENPIQ · CONTRAVE · COOK MEDICAL HEMOSPRAY · CREON · Creon · DIFICID · DUPIXENT · EMGALITY · ENTYVIO · EVENITY · Edarbi · Entyvio · FARXIGA · FLUZONE HIGH-DOSE · FREESTYLE LIBRE 3 · FibroScan · HUMIRA · Humira · IBSRELA · INJECTAFER · INSPIRE · JANUVIA · JARDIANCE · Kerendia · Korlym · LINZESS · Linzess · Livalo · MAVYRET · MINIMED 780G · MOTEGRITY · MOUNJARO · Mavyret · Movantik · NASCOBAL · NATPARA · NEXLETOL · NO PRODUCT DISCUSSED · NURTEC ODT · OCALIVA · OMVOH · Olympus Biliary Devices · Olympus EMR & ESD Devices · Onivyde · Otezla · Ozempic · PREVNAR - 13 · Prolia · QULIPTA · REBYOTA · REMICADE · REXULTI · RINVOQ · Repatha · SHINGRIX · SKYRIZI · SPIRIVA · STEGLATRO · STELARA · SUCRAID · SUFLAVE · SUNOSI · SUPREP · SUPREP BOWEL PREP · SUTAB · SYMBICORT · Saxenda · TALICIA · TRADJENTA · TRELEGY ELLIPTA · TREMFYA · TRINTELLIX · TRULANCE · Talicia · Trulance · UBRELVY · VELSIPITY · VIBERZI · VOQUEZNA · VRAYLAR · Vascepa · Veozah · WATCHMAN · WATCHMAN Access System · Wakix · Wegovy · XARELTO · XELJANZ · XIFAXAN · XYWAV · Xofluza · ZENPEP · ZEPOSIA · ZORYVE · Zelnorm
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
Internal medicine physicians in nearby ZIP areas
9,766
County median income
$123,715
Nearest hospital to ZIP centroid (approximate)
HACKENSACK MERIDIAN HEALTH PASCACK VALLEY MEDICAL
1.4 mi
1.4 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. Klein is a clinical cardiology specialist, with moderate Medicare volume, with 21 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. Klein experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Klein performed 336 office visit, established patient (30-39 min) 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. Klein receive payments from pharmaceutical companies?
Yes. Dr. Klein received a total of $7,093 from 67 companies across 441 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. Klein's costs compare to other internal medicine physicians in Harrington Park?
Dr. Klein's average Medicare payment per service is $79. 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. Klein) 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 →
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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.
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