Sayed Mahmud, LLD
Internal Medicine Physician · Brooklyn, NY
Sayed Mahmud, LLD is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1447822259, issued on Jul 12, 2021. Check the license (New York P110341, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sayed Mahmud
- Credential
- LLD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P110341 NY
Self-reported in NPPES; status is on the state search - Practice location
- 309 Rutledge St Ste 2B, Brooklyn, NY 11211
- Phone
- (845) 738-8770
- Enumerated
- Jul 12, 2021
- Record last updated
- Jul 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210720002292); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 309 Rutledge St Ste 2B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amar Chudasma, MDGeneral Practice Physician1851857957
- Eleonora DaribayevaInternal Medicine Physician1184189771
Verify Sayed 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 P110341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,202 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium113 claims
- Metformin Hcl86 claims
- Amlodipine Besylate79 claims
- Eliquis64 claims
- Lisinopril63 claims
- Gabapentin52 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): 6 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 one group practice
- Clear Choice Medical PCBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sayed Mahmud among 12,067 internal medicine physician records in New York
Sayed Mahmud, LLD 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · 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).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sixto CaroBrooklyn, NY 112111639138654
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- Jacob George, MDBrooklyn, NY 112111679674717
- Martin Hecht, MDBrooklyn, NY 112111801844766
- Andres Hernandez Abreu, M.D.Brooklyn, NY 112111518929009
- Richard Link, MDBrooklyn, NY 112111730114547
- Tara Lodha, MDBrooklyn, NY 112111215157466
Common questions
What is Sayed Mahmud, LLD's NPI number?
Sayed Mahmud, LLD's National Provider Identifier (NPI) is 1447822259, issued on Jul 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sayed Mahmud, LLD located?
The NPPES record lists a practice address at 309 Rutledge St Ste 2B, Brooklyn, NY, 11211. Phone: (845) 738-8770. Providers update this record themselves, so call before visiting.
How can I verify Sayed Mahmud, LLD's license?
NPPES lists New York license number P110341, 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 Sayed Mahmud, LLD prescribe under Medicare Part D?
In 2024, Sayed Mahmud, LLD had 1,202 Medicare Part D claims for 59 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sayed Mahmud, LLD's MIPS final score?
The 2023 MIPS final score is 6 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.