Medicare Enrolled
Dr. Elizabeth Chambers, M.D.
Neurology · Dallas, 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. Chambers 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. Chambers
Dr. Elizabeth Chambers is a neurology specialist in Dallas, TX, with 13 years of NPI registration. Based on federal Medicare data, Dr. Chambers performed 30,569 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Chambers received a total of $18,460 from 64 pharmaceutical and/or device companies across 551 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. Chambers 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.
✓ 13 years of NPI registration
▲ Top 3% volume in TX
$18,460 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗30,569
Medicare services
Top 3% in TX for neurology
Not available
Unique patients (not deduplicated)
$13
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 |
|---|---|---|---|
| Botox injection, per unit An injection of onabotulinumtoxinA, a medication used to temporarily relax muscles or reduce gland activity. The dose is measured in units, with this code representing a single unit administered. |
25,630 | $5 | $7 |
| Neuromuscular re-education therapy, per 15 min A therapy procedure designed to re-educate the functional connection between the brain, nerves, and muscles. It is billed in 15-minute increments. |
959 | $23 | $144 |
| Physical therapy exercise, per 15 min A therapy session using exercises to improve strength, endurance, range of motion, and flexibility. Each 15-minute unit is billed separately. |
617 | $19 | $141 |
| 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. |
538 | $93 | $215 |
| 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. |
503 | $134 | $275 |
| Functional activity therapy A therapy procedure that utilizes functional activities as part of the treatment process. |
410 | $26 | $123 |
| Manual therapy (hands-on treatment), per 15 min | 306 | $18 | $71 |
| Group therapy session A therapeutic session conducted with multiple patients simultaneously. This code covers the provision of therapy services in a group setting. |
216 | $11 | $50 |
| New patient office visit, complex (60-74 min) | 168 | $155 | $535 |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 99 | $63 | $202 |
| 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. |
97 | $55 | $175 |
| Walking/gait training therapy, per 15 min A therapy session focused on training walking skills. The service is billed in 15-minute increments. |
87 | $18 | $147 |
| Mental processes therapy, each additional 15 minutes This code covers an additional 15-minute block of therapy focused on a range of mental processes. It is billed in increments beyond the initial session time. |
84 | $17 | $250 |
| Neuropsychological test evaluation, first hour A professional assessment of cognitive and behavioral functioning using standardized tests. This service covers the initial hour of the evaluation process. |
65 | $103 | $325 |
| Psychological test administration, first 30 minutes A technician administers psychological or neuropsychological testing for the first 30 minutes. |
65 | $27 | $225 |
| Psychological test administration, each additional 30 minutes A technician administers psychological or neuropsychological testing. This code covers each additional 30-minute increment of administration time. |
64 | $28 | $225 |
| 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. |
61 | $109 | $425 |
| Chemical nerve block for neck muscles Injection of a chemical agent to paralyze specific muscles on the side of the neck, excluding the voice box. |
53 | $153 | $511 |
| Chemical nerve block injection, 1-4 muscles An injection of a chemical agent to paralyze specific muscles in an arm or leg. This procedure targets one to four muscles in the first extremity treated. |
53 | $115 | $551 |
| Speech and language therapy Treatment for disorders affecting speech, language, voice, communication, and hearing processing. |
53 | $56 | $225 |
| Evaluation for physical therapy, typically 30 minutes | 50 | $80 | $225 |
| 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. |
47 | $48 | $225 |
| Mental processes therapy, initial 15 minutes A therapy session focusing on a range of mental processes, lasting for the initial 15 minutes. |
39 | $18 | $250 |
| Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, each additional extremity | 38 | $74 | $470 |
| Chemical nerve block for facial paralysis Injection of a chemical agent to paralyze specific nerves or muscles on the side of the face. |
33 | $111 | $491 |
| Punch biopsy of additional skin growth A small circular tool is used to remove a sample of an extra skin growth for laboratory examination. |
32 | $48 | $85 |
| 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. |
32 | $63 | $175 |
| 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. |
28 | $138 | $300 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
23 | $95 | $256 |
| MRI scan of brain, without contrast A magnetic resonance imaging test of the brain that does not use contrast dye. This procedure creates detailed images of the brain's structure using magnetic fields and radio waves. |
22 | $104 | $879 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
20 | $43 | $120 |
| Chronic care management, additional 20 min/month This service covers an extra 20 minutes of clinical staff time directed by a healthcare professional for managing two or more chronic conditions each calendar month. |
19 | $35 | $75 |
| Functional task assessment A test that evaluates a patient's ability to perform specific functional tasks relevant to their environment. |
18 | $65 | $178 |
| Punch biopsy of first skin growth A small, circular piece of skin is removed from a skin growth using a circular blade. The sample is then sent to a laboratory for examination. |
16 | $84 | $190 |
| Additional hour of neuropsychological test evaluation This code covers the evaluation of neuropsychological testing for each additional hour beyond the initial service. It represents the time spent analyzing and interpreting test results. |
13 | $79 | $325 |
| Critical care, first 30-74 min Emergency medical care for a critically ill or injured patient lasting between 30 and 74 minutes. This service involves direct patient care and medical decision making to stabilize the patient. |
11 | $165 | $820 |
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 ↗$18,460
Total received (2018-2024)
Avg $2,637/year across 7 years
Top 17% in TX for neurology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
64
Companies
551
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
$2,637
2023
$2,401
2022
$2,606
2021
$1,607
2020
$443
2019
$1,128
2018
$7,638
Payments by company (2024)
Boston Scientific Corporation
$442
ABBVIE INC.
$327
Amneal Pharmaceuticals LLC
$181
GE HEALTHCARE
$147
UCB, Inc.
$140
Teva Pharmaceuticals USA, Inc.
$126
Lilly USA, LLC
$105
ARGENX US, INC.
$102
Merz Pharmaceuticals, LLC
$102
Eisai Inc.
$86
Abbott Laboratories
$83
SCILEX PHARMACEUTICALS INC.
$83
Novartis Pharmaceuticals Corporation
$80
PFIZER INC.
$80
Marinus Pharmaceuticals, Inc.
$64
Alexion Pharmaceuticals, Inc.
$62
Neurelis, Inc.
$55
LivaNova USA, Inc.
$47
Biogen, Inc.
$47
Lundbeck LLC
$41
Neurocrine Biosciences, Inc.
$40
TG Therapeutics, Inc.
$40
Octapharma USA, Inc.
$29
JAZZ PHARMACEUTICALS INC.
$25
Grifols USA, LLC
$21
Life Molecular Imaging Ltd
$20
Ipsen Biopharmaceuticals, Inc
$18
ANI Pharmaceuticals, Inc.
$15
Celgene Corporation
$14
Acorda Therapeutics, Inc
$14
Top 3 companies account for 36.0% of 2024 payments
All-time payments by company (2018-2024) ›
Medtronic USA, Inc.
$6,746
BOSTON SCIENTIFIC CORPORATION
$1,537
Boston Scientific Corporation
$874
ABBVIE INC.
$765
AbbVie Inc.
$628
Amneal Pharmaceuticals LLC
$582
UCB, Inc.
$541
Teva Pharmaceuticals USA, Inc.
$442
Abbott Laboratories
$428
Merz Pharmaceuticals, LLC
$321
ARGENX US, INC.
$256
Biogen, Inc.
$253
Lilly USA, LLC
$253
Sunovion Pharmaceuticals Inc.
$244
Novartis Pharmaceuticals Corporation
$237
ACADIA Pharmaceuticals Inc
$236
PFIZER INC.
$231
Neurocrine Biosciences, Inc.
$216
Ipsen Biopharmaceuticals, Inc
$213
Alexion Pharmaceuticals, Inc.
$209
Acorda Therapeutics, Inc
$177
Eisai Inc.
$173
Biohaven Pharmaceutical Holding Company Ltd.
$170
Genentech USA, Inc.
$167
GE HEALTHCARE
$160
AbbVie, Inc.
$146
Avion Pharmaceuticals
$143
Amgen Inc.
$136
SK Life Science, Inc.
$118
Octapharma USA, Inc.
$107
Grifols USA, LLC
$104
Lundbeck LLC
$99
Neurelis, Inc.
$96
Sumitomo Pharma America, Inc.
$90
Celgene Corporation
$90
SCILEX PHARMACEUTICALS INC.
$83
Avanir Pharmaceuticals, Inc.
$83
Kyowa Kirin, Inc.
$79
EMD Serono, Inc.
$74
GENZYME CORPORATION
$72
Alnylam Pharmaceuticals Inc.
$71
EISAI INC.
$64
Marinus Pharmaceuticals, Inc.
$64
Horizon Therapeutics plc
$61
JAZZ PHARMACEUTICALS INC.
$55
Adamas Pharmaceuticals, Inc.
$55
UPSHER-SMITH LABORATORIES LLC
$49
LivaNova USA, Inc.
$47
Allergan, Inc.
$45
Merz North America, Inc.
$42
TG Therapeutics, Inc.
$40
US WorldMeds, LLC
$39
Medtronic, Inc.
$33
AQUESTIVE THERAPEUTICS, INC.
$31
MERZ NORTH AMERICA, INC.
$28
Biohaven Pharmaceuticals, Inc.
$27
Xeris Pharmaceuticals, Inc.
$24
Life Molecular Imaging Ltd
$20
Janssen Pharmaceuticals, Inc
$15
Harmony Biosciences LLC
$15
ANI Pharmaceuticals, Inc.
$15
IMPEL PHARMACEUTICALS INC.
$13
NS Pharma, Inc.
$13
Greenwich Biosciences, Inc.
$12
Top 3 companies account for 49.6% of all-time payments
Associated products mentioned in payments ›
ACTIVA · ACTIVA PC · ADUHELM · AJOVY · AMYVID · APOKYN · APTIOM · AUBAGIO · AUSTEDO · Aimovig · Austedo XR · BOTOX · BRIUMVI · Briviact · COMIRNATY · CONFIRM RX · CREXONT · DUOPA · DYSPORT · Dhivy · Duopa · Dysport · EMGALITY · EPIDIOLEX · Enspryng · Epidiolex · Fintepla · Fycompa · GENERAL DBS · GENERAL DBS · GOCOVRI · GVOKE PFS · Gamunex-C · General - DBS · INBRIJA · INFINITY · INGREZZA · Infinity DBS Pulse Generators · KESIMPTA · KEVEYIS · KYNMOBI · LEADPOINT · LYRICA · Leqembi · MAVENCLAD · MYOBLOC · Mavenclad · NEURACEQ · NORTHERA · NOURIANZ · NUEDEXTA · NUPLAZID · NURTEC ODT · Nayzilam · Nuedexta · OCREVUS · OCTAGAM IMMUNE GLOBULIN (HUMAN) · ONGENTYS · ONGENTYS 50MG CAPSULES 30 · ONPATTRO · Ongentys · PANZYGA · PAXLOVID · PURIFIED CORTROPHIN GEL · Ponvory · QULIPTA · REXULTI · RYTARY · Rystiggo · SKYCLARYS · SOLIRIS · SYMPAZAN · Skyclarys · Soliris · TECFIDERA · TOSYMRA · TYSABRI · Trudhesa · UBRELVY · ULTOMIRIS · UPLIZNA · VALTOCO · VERCISE · VILTEPSO · VNS THERAPY SENTIVA MODEL 1000 GENERATOR · VYALEV · VYEPTI · VYVGART · VYVGART HYTRULO · Vercise · Wakix · WaveWriter Alpha Prime 16 · XEOMIN · Xadago · Xeomin · ZEMBRACE SYMTOUCH · ZEPOSIA · ZTALMY · ZTLido
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
Neurologists in nearby ZIP areas
237
County median income
$74,149
Nearest hospital to ZIP centroid (approximate)
NEXUS CHILDRENS HOSPITAL DALLAS
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. Chambers is a mixed practice specialist, with above-average Medicare volume (top 3% in TX).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Chambers experienced with botox injection, per unit?
Based on Medicare claims data, Dr. Chambers performed 25,630 botox injection, per unit 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. Chambers receive payments from pharmaceutical companies?
Yes. Dr. Chambers received a total of $18,460 from 64 companies across 551 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. Chambers's costs compare to other neurologists in Dallas?
Dr. Chambers's average Medicare payment per service is $13. 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. Chambers) 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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