Cean Mahmud, M.D.
Family Medicine Physician · Riverhead, NY
Cean Mahmud, M.D. is a family medicine physician with a practice address in Riverhead, New York, and NPI 1285165134, issued on Mar 22, 2017. Check the license (New York 305318, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Cean Mahmud
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 305318 NY
Self-reported in NPPES; status is on the state search - Practice location
- 31 Main RD Ste 1, Riverhead, NY 11901
- Phone
- (631) 722-4400
- Enumerated
- Mar 22, 2017
- Record last updated
- Apr 18, 2026
- Medicare enrollment
- Enrolled (PECOS I20260216000599); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 31 Main RD Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Devashree Parmar, MDFamily Medicine Physician1831716109
Verify Cean Mahmud 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 305318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average family medicine physician in 2024
3,674 Medicare Part D claims for 507 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium242 claims
- Losartan Potassium179 claims
- Amlodipine Besylate175 claims
- Rosuvastatin Calcium173 claims
- Metoprolol Succinate133 claims
- Omeprazole117 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 MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- New York UniversityNew York, NY
- North Shore-Lij Medical PCManhasset, NY
- Peconic Bay Primary Medical CareRiverhead, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cean Mahmud among 6,417 family medicine physician records in New York
Cean Mahmud, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2016 · median 2007 among the 4,188 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Riverhead
They are 25 of the 982 NPPES records with a practice address in Riverhead, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Riverhead → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Guirlaine Blot-Sanon, D.ORiverhead, NY 119011588818504
- Bellamy Brook, D.O. P.C.Riverhead, NY 119011477511749
- Joy Curran, DORiverhead, NY 119011063723112
- Mildred Garcia, MDRiverhead, NY 119011750464673
- Stephen John, M.D.Riverhead, NY 119011942481056
- Mette Larsen, DORiverhead, NY 119011205947074
- Carmela Lovecchio, DO, MSRiverhead, NY 119011831401306
- Evan Nadal, DORiverhead, NY 119011619946548
Common questions
What is Cean Mahmud, M.D.'s NPI number?
Cean Mahmud, M.D.'s National Provider Identifier (NPI) is 1285165134, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Cean Mahmud, M.D. located?
The NPPES record lists a practice address at 31 Main RD Ste 1, Riverhead, NY, 11901. Phone: (631) 722-4400. Providers update this record themselves, so call before visiting.
How can I verify Cean Mahmud, M.D.'s license?
NPPES lists New York license number 305318, 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 Cean Mahmud, M.D. prescribe under Medicare Part D?
In 2024, Cean Mahmud, M.D. had 3,674 Medicare Part D claims for 507 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Cean Mahmud, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.