Registry data as of Aug 27, 2026

Malathy Tharumarajah, M.D.

Internal Medicine Physician · Penfield, NY

Malathy Tharumarajah, M.D. is an internal medicine physician with a practice address in Penfield, New York, and NPI 1982011615, issued on Jul 15, 2014. Check the license (New York 324664, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982011615
Name
Malathy Tharumarajah
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
324664 NY
MED-RES-LIC-42268 MT
Self-reported in NPPES; status is on the state search
Practice location
2212 Penfield RD Ste 200, Penfield, NY 14526
Phone
(585) 598-8600
Enumerated
Jul 15, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2212 Penfield RD Ste 200

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

  1. Matthew Brockway, MDInternal Medicine Physician1003251976
  2. Sabrina Choi, CRNPNurse Practitioner1669196598
  3. Brenda Davis, MDInternal Medicine Physician1073537049
  4. Christopher Storey, MDInternal Medicine Physician1972913028
  5. Sean WhelenMedical Physician Assistant1528702776

Verify Malathy Tharumarajah 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 324664
    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.

2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

5,818 Medicare Part D claims for 704 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 43 claims were for opioids.

  1. Malathy Tharumarajah5,818
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium411 claims
  2. Amlodipine Besylate292 claims
  3. Levothyroxine Sodium277 claims
  4. Lisinopril224 claims
  5. Omeprazole164 claims
  6. Rosuvastatin Calcium160 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.

One hospital or facility affiliation

  1. University OF RochesterPenfield, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

13 internal medicine physician records list a Penfield practice address

They are 13 of the 396 NPPES records with a Penfield practice address, and 13,725 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. Justin Aaron, MDNew York, NY1619243912
  5. Ahmad AbadiPoughkeepsie, NY1780258517
  6. Jamsheed Abadi, MDBrooklyn, NY1477537496
  7. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  8. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  9. Charles Abate, MDOssining, NY1720180003
  10. Vyachislav Abayev, M.D.Brooklyn, NY1437394574

Common questions

What is Malathy Tharumarajah, M.D.'s NPI number?

Malathy Tharumarajah, M.D.'s National Provider Identifier (NPI) is 1982011615, issued on Jul 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Malathy Tharumarajah, M.D. located?

The NPPES record lists a practice address at 2212 Penfield RD Ste 200, Penfield, NY, 14526. Phone: (585) 598-8600. Providers update this record themselves, so call before visiting.

How can I verify Malathy Tharumarajah, M.D.'s license?

NPPES lists New York license number 324664, 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 Malathy Tharumarajah, M.D. prescribe under Medicare Part D?

In 2024, Malathy Tharumarajah, M.D. had 5,818 Medicare Part D claims for 704 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.