Alina Mastan, M.D.
Internal Medicine Physician · New York, NY
Alina Mastan, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1285620245, issued on Sep 26, 2005. Check the license (New York 242762, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alina Mastan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 242762 NY
242761 NY
25MA7120300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 247 3RD Ave, New York, NY 10010
- Phone
- (212) 228-4600
- Enumerated
- Sep 26, 2005
- Record last updated
- Jun 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (212) 260-8391
- Medicaid ID
- 03304749 NY
- Entity
- Type 1 · individual
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Verify Alina Mastan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 242762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,623 Medicare Part D claims for 184 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium93 claims
- Metformin Hcl89 claims
- Amlodipine Besylate87 claims
- Omeprazole76 claims
- Metoprolol Succinate67 claims
- Atorvastatin Calcium59 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.
Alina Mastan among 12,067 internal medicine physician records in New York
Alina Mastan, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2018 · 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).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
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Common questions
What is Alina Mastan, M.D.'s NPI number?
Alina Mastan, M.D.'s National Provider Identifier (NPI) is 1285620245, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alina Mastan, M.D. located?
The NPPES record lists a practice address at 247 3RD Ave, New York, NY, 10010. Phone: (212) 228-4600. Providers update this record themselves, so call before visiting.
How can I verify Alina Mastan, M.D.'s license?
NPPES lists New York license number 242762, 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 Alina Mastan, M.D. prescribe under Medicare Part D?
In 2024, Alina Mastan, M.D. had 2,623 Medicare Part D claims for 184 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.