Darin A. Portnoy, MD
Family Medicine Physician · Brooklyn, NY
Darin A. Portnoy, MD is a family medicine physician with a practice address in Brooklyn, New York, and NPI 1629153739, issued on Oct 26, 2006. Check the license (New York 236138, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Darin A. Portnoy
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 236138 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1114 Liberty Ave, Brooklyn, NY 11208
- Phone
- (718) 765-6058
- Enumerated
- Oct 26, 2006
- Record last updated
- Sep 27, 2023
- Fax
- (347) 808-4895
- Entity
- Type 1 · individual
Also registered at 1114 Liberty Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jada AlbrightMental Health Counselor1982170593
- Juan Samuel Bonilla-Perez, M.D.Family Medicine Physician1205039757
- Niambi Brown, M.D.Family Medicine Physician1609166065
- Sara Fontanez, M.D.Family Medicine Physician1184004889
- Shawn Tapper, FNPFamily Nurse Practitioner1558679563
- Justin Torrente, M.D.Family Medicine Physician1952662801
Verify Darin A. Portnoy 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 236138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
13% more Medicare Part D claims than the average family medicine physician in 2024
3,993 Medicare Part D claims for 355 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium447 claims
- Amlodipine Besylate184 claims
- Metformin Hcl168 claims
- Jardiance147 claims
- Losartan Potassium117 claims
- Lisinopril107 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
500 family medicine physician records list a practice address in Brooklyn
They are 500 of the 64,057 NPPES records with a practice address in Brooklyn, and 6,417 family medicine physician records in New York.
All 500 in Brooklyn → All 6,417 in New York → Every provider in Brooklyn →
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- Higer Abdallah, NPPatchogue, NY1528662400
- Aya Abdelfattah, MBBCH, MPHSchenectady, NY1821676206
- Basil Abdeljaber, M.D.White Plains, NY1831354323
- Sarah Abdelsayed, MDBuffalo, NY1093065138
Common questions
What is Darin A. Portnoy, MD's NPI number?
Darin A. Portnoy, MD's National Provider Identifier (NPI) is 1629153739, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darin A. Portnoy, MD located?
The NPPES record lists a practice address at 1114 Liberty Ave, Brooklyn, NY, 11208. Phone: (718) 765-6058. Providers update this record themselves, so call before visiting.
How can I verify Darin A. Portnoy, MD's license?
NPPES lists New York license number 236138, 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 Darin A. Portnoy, MD prescribe under Medicare Part D?
In 2024, Darin A. Portnoy, MD had 3,993 Medicare Part D claims for 355 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Darin A. Portnoy, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.