NPPES file of Aug 9, 2026

Sharavanan Thevanayagam, M.D.

Internal Medicine Physician · Buffalo, NY

Sharavanan Thevanayagam, M.D. is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1669883120, issued on May 17, 2014. Check the license (New York 290602-1, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669883120
Name
Sharavanan Thevanayagam
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
290602-1 NY
Self-reported in NPPES; status is on the state search
Practice location
85 High St, Buffalo, NY 14203
Phone
(716) 630-1000
Enumerated
May 17, 2014
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20171108000163); 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 85 High St

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

  1. Sara AchakzaiHospitalist Physician1487906996
  2. Amy Albert, RPACPhysician Assistant1497705016
  3. Dennis AlexAdult Health Nurse Practitioner1396203691
  4. Elizabeth Allen, PA-CMedical Physician Assistant1609423375
  5. Karyma AlmontaserPhysician Assistant1306594833
  6. Umeer Ashraf, MDInternal Medicine Physician1336398213

Verify Sharavanan Thevanayagam 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 290602-1
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

283 Medicare Part D claims for 165 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Sharavanan Thevanayagam283
  2. Specialty average3,176

Most prescribed

  1. Cefdinir30 claims
  2. Prednisone27 claims
  3. Pantoprazole Sodium20 claims
  4. Hydrocodone-Acetaminophen16 claims
  5. Azithromycin13 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.

2 hospitals and group practices

  1. Mercy Hospital OF BuffaloBuffalo, NY · Acute Care Hospitals2 of 5 stars
  2. Sisters OF Charity Hospital OF Buffalo New YorkBuffalo, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sharavanan Thevanayagam among 12,067 internal medicine physician records in New York

Sharavanan Thevanayagam, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.

  • NPI issued2014 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2014 · median 2002 among the 7,221 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

293 internal medicine physician records list a practice address in Buffalo

They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nicholas Aquino, M.DBuffalo, NY 142031710941521
  2. Octavia Balan, MDBuffalo, NY 142031649236134
  3. Walter Balon, M.D.Buffalo, NY 142031538148804
  4. Reena Bose, M.D.Buffalo, NY 142031003860438
  5. Manju Ceylony, MDBuffalo, NY 142031831137298
  6. Richard Charles, M.D.Buffalo, NY 142031588629216
  7. Donald Miller, MDBuffalo, NY 142031225096282
  8. Matthew O Brien, MDBuffalo, NY 142031972551430

Common questions

What is Sharavanan Thevanayagam, M.D.'s NPI number?

Sharavanan Thevanayagam, M.D.'s National Provider Identifier (NPI) is 1669883120, issued on May 17, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sharavanan Thevanayagam, M.D. located?

The NPPES record lists a practice address at 85 High St, Buffalo, NY, 14203. Phone: (716) 630-1000. Providers update this record themselves, so call before visiting.

How can I verify Sharavanan Thevanayagam, M.D.'s license?

NPPES lists New York license number 290602-1, 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 Sharavanan Thevanayagam, M.D. prescribe under Medicare Part D?

In 2024, Sharavanan Thevanayagam, M.D. had 283 Medicare Part D claims for 165 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.