Medicare Enrolled
Dr. Easwar Sundaram, MD
Neurology · Sherman, 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. Sundaram 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. Sundaram
Dr. Easwar Sundaram is a neurology specialist in Sherman, TX, with 21 years of NPI registration. Based on federal Medicare data, Dr. Sundaram performed 18,305 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Sundaram received a total of $4,995 from 45 pharmaceutical and/or device companies across 203 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. Sundaram 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 5% volume in TX
$4,995 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗18,305
Medicare services
Top 5% in TX for neurology
Not available
Unique patients (not deduplicated)
$35
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 |
|---|---|---|---|
| Immune globulin infusion (Gammagard) An injection of immune globulin (Gammagard Liquid) to provide antibodies. The dose specified is 500 mg. |
11,870 | $36 | $113 |
| Lidocaine HCl injection for IV infusion, 10 mg Administration of a 10 mg dose of lidocaine hydrochloride via intravenous infusion. |
3,737 | $0 | $0 |
| 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. |
1,308 | $87 | $312 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
301 | $16 | $51 |
| 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. |
242 | $132 | $437 |
| 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. |
166 | $48 | $157 |
| Electromyography of arm or leg muscles A test that measures the electrical activity in the muscles of the arm or leg using a needle electrode. It helps evaluate the health of muscles and the nerve cells that control them. |
111 | $74 | $242 |
| Injection of anesthetic agent and/or steroid into other nerve or branch | 88 | $43 | $191 |
| Methylprednisolone acetate injection, 80 mg An injection of 80 mg of methylprednisolone acetate, a corticosteroid medication. |
88 | $9 | $31 |
| Injection of anesthetic or steroid into upper neck and back of head nerve An injection of an anesthetic agent and/or steroid into a nerve located in the upper neck and back of the head. |
85 | $57 | $266 |
| 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. |
63 | $95 | $361 |
| MRI of lower spine, without contrast A magnetic resonance imaging scan of the lower spinal canal that does not use contrast dye to create detailed images of the spine. |
37 | $89 | $311 |
| MRI of upper spine without contrast An MRI scan of the upper spinal canal that does not use contrast dye. This imaging test uses magnetic fields and radio waves to create detailed pictures of the spine. |
35 | $81 | $312 |
| New patient office visit, complex (60-74 min) | 33 | $131 | $536 |
| Nerve conduction studies, 7-8 tests A series of 7 to 8 nerve conduction tests to evaluate how well nerves are sending signals to muscles. |
29 | $137 | $433 |
| Nerve conduction study, 9-10 studies A diagnostic test that measures how well nerves send electrical signals. It involves performing 9 to 10 separate nerve conduction studies to evaluate nerve function. |
29 | $165 | $525 |
| Psychological test administration, first 30 minutes A technician administers psychological or neuropsychological testing for the first 30 minutes. |
25 | $25 | $82 |
| MRI of brain with and without contrast An MRI scan of the brain using contrast dye both before and after administration to provide detailed images of brain structures. |
20 | $146 | $545 |
| 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. |
15 | $102 | $319 |
| MRI of middle spinal canal, without contrast This procedure uses magnetic resonance imaging to create detailed pictures of the middle section of the spinal canal. It is performed without the use of contrast dye. |
12 | $83 | $313 |
| 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. |
11 | $133 | $439 |
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.
87.8% high complexity
2.3% medium
9.8% routine
Industry Payment Transparency
Open Payments through 2024 ↗$4,995
Total received (2018-2024)
Avg $714/year across 7 years
Top 40% in TX for neurology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
45
Companies
203
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
$791
2023
$1,224
2022
$764
2021
$1,021
2020
$47
2019
$147
2018
$1,003
Payments by company (2024)
UCB, Inc.
$209
Sumitomo Pharma America, Inc.
$74
ARGENX US, INC.
$65
Lundbeck LLC
$64
Lilly USA, LLC
$52
PFIZER INC.
$43
Amneal Pharmaceuticals LLC
$34
BIOTRONIK NRO, Inc.
$32
Novartis Pharmaceuticals Corporation
$28
Biogen, Inc.
$27
Takeda Pharmaceuticals U.S.A., Inc.
$26
Kyowa Kirin, Inc.
$25
SK Life Science, Inc.
$22
Abbott Laboratories
$21
Eisai Inc.
$19
CATALYST PHARMACEUTICALS, INC.
$17
MITSUBISHI TANABE PHARMA AMERICA, INC.
$15
ABBVIE INC.
$15
Top 3 companies account for 44.1% of 2024 payments
All-time payments by company (2018-2024) ›
Novartis Pharmaceuticals Corporation
$1,112
UCB, Inc.
$609
LivaNova USA, Inc.
$490
ABBVIE INC.
$183
Sumitomo Pharma America, Inc.
$180
Biohaven Pharmaceutical Holding Company Ltd.
$163
Kyowa Kirin, Inc.
$152
AbbVie Inc.
$144
Biogen, Inc.
$137
SK Life Science, Inc.
$136
PFIZER INC.
$121
Abbott Laboratories
$119
ZOLL Respicardia, Inc.
$117
Lundbeck LLC
$102
Neurocrine Biosciences, Inc.
$91
Teva Pharmaceuticals USA, Inc.
$88
Biohaven Pharmaceuticals, Inc.
$88
Lilly USA, LLC
$80
BOSTON SCIENTIFIC CORPORATION
$79
ARGENX US, INC.
$65
NATUS MEDICAL INCORPORATED
$60
Alexion Pharmaceuticals, Inc.
$58
Amneal Pharmaceuticals LLC
$51
Takeda Pharmaceuticals U.S.A., Inc.
$49
Celgene Corporation
$49
Medtronic USA, Inc.
$40
Supernus Pharmaceuticals, Inc.
$39
GE HealthCare
$33
BIOTRONIK NRO, Inc.
$32
EMD Serono, Inc.
$32
BANNER LIFE SCIENCES, LLC
$26
Avion Pharmaceuticals
$26
Otsuka America Pharmaceutical, Inc.
$24
Ipsen Biopharmaceuticals, Inc
$23
Genentech USA, Inc.
$23
Alnylam Pharmaceuticals Inc.
$21
Corium, LLC
$20
Eisai Inc.
$19
Amgen Inc.
$18
Sunovion Pharmaceuticals Inc.
$17
CATALYST PHARMACEUTICALS, INC.
$17
Allergan, Inc.
$16
US WorldMeds, LLC
$16
MITSUBISHI TANABE PHARMA AMERICA, INC.
$15
AstraZeneca Pharmaceuticals LP
$14
Top 3 companies account for 44.3% of all-time payments
Associated products mentioned in payments ›
ACTIVA · ADUHELM · AIMOVIG · AMYVID · APOKYN · APTIOM · AUSTEDO · Adlarity · Aimovig · Austedo XR · BAFIERTAM · BOTOX · BRILINTA · Briviact · COMIRNATY · CREXONT · Confirm Rx · DYSPORT · Dhivy · Enspryng · FYCOMPA · Fintepla · GAMMAGARD · GILENYA · HYQVIA · INFINITY · INGREZZA · KESIMPTA · KISUNLA · KYNMOBI · LEADPOINT · LYVISPAH · Leqembi · MAVENCLAD · NOURIANZ · NURTEC ODT · Nourianz · ONPATTRO · Ongentys · PAXLOVID · Prospera · QULIPTA · RADICAVA · REXULTI · RYTARY · Rystiggo · SKYCLARYS · SOLIRIS · TYSABRI · UBRELVY · ULTOMIRIS · VNS - Sentiva · VNS Therapy · VYEPTI · VYVGART · VYVGART HYTRULO · WATCHMAN · ZEPOSIA · remede System
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
20
County median income
$70,455
Nearest hospital to ZIP centroid (approximate)
WILSON N JONES REGIONAL MEDICAL CENTER
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. Sundaram is a mixed practice specialist, with above-average Medicare volume (top 5% in TX), 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. Sundaram experienced with immune globulin infusion (gammagard)?
Based on Medicare claims data, Dr. Sundaram performed 11,870 immune globulin infusion (gammagard) 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. Sundaram receive payments from pharmaceutical companies?
Yes. Dr. Sundaram received a total of $4,995 from 45 companies across 203 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. Sundaram's costs compare to other neurologists in Sherman?
Dr. Sundaram's average Medicare payment per service is $35. 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. Sundaram) 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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