NPPES file of Aug 9, 2026

Eric Lauron Tharmathurai, M.D.

Internal Medicine Physician · Hornell, NY

Eric Lauron Tharmathurai, M.D. is an internal medicine physician with a practice address in Hornell, New York, and NPI 1679137764, issued on Apr 24, 2019. Check the license (New York 322331, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679137764
Name
Eric Lauron Tharmathurai
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
322331 NY
80092-20 WI
Self-reported in NPPES; status is on the state search
Practice location
7309 Seneca RD N Ste 109, Hornell, NY 14843
Phone
(607) 385-3700
Enumerated
Apr 24, 2019
Record last updated
Jun 22, 2023
Medicare enrollment
Enrolled (PECOS I20230727000640); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7309 Seneca RD N Ste 109

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joy Hur, DOFamily Medicine Physician1730741844
  2. Alicia McHale, PAMedical Physician Assistant1609285469
  3. Julie Van Baardwijk, MDInternal Medicine Physician1851955769

Verify Eric Lauron Tharmathurai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 322331
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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87% more Medicare Part D claims than the average internal medicine physician in 2024

5,949 Medicare Part D claims for 460 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 277 claims were for opioids.

  1. Eric Tharmathurai5,949
  2. Specialty average3,176

Most prescribed

  1. Gabapentin180 claims
  2. Levothyroxine Sodium180 claims
  3. Atorvastatin Calcium168 claims
  4. Rosuvastatin Calcium158 claims
  5. Lisinopril150 claims
  6. Amlodipine Besylate144 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.9
  2. Costout of 100 · 30%61.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Memorial Hospital OF William F And Gertrude F Jones IncHornell, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

11 internal medicine physician records list a practice address in Hornell

They are 11 of the 270 NPPES records with a practice address in Hornell, and 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Eric Lauron Tharmathurai, M.D.'s NPI number?

Eric Lauron Tharmathurai, M.D.'s National Provider Identifier (NPI) is 1679137764, issued on Apr 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Eric Lauron Tharmathurai, M.D. located?

The NPPES record lists a practice address at 7309 Seneca RD N Ste 109, Hornell, NY, 14843. Phone: (607) 385-3700. Providers update this record themselves, so call before visiting.

How can I verify Eric Lauron Tharmathurai, M.D.'s license?

NPPES lists New York license number 322331, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eric Lauron Tharmathurai, M.D. prescribe under Medicare Part D?

In 2024, Eric Lauron Tharmathurai, M.D. had 5,949 Medicare Part D claims for 460 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Eric Lauron Tharmathurai, M.D.'s MIPS final score?

The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.