Jacob Isaac Warman, MD
Endocrinology, Diabetes & Metabolism Physician · Brooklyn, NY
Jacob Isaac Warman, MD is an endocrinology, diabetes & metabolism physician with a practice address in Brooklyn, New York, and NPI 1144336116, issued on Aug 22, 2006. Check the license (New York 122805 1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jacob Isaac Warman
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 122805 1 NY
122805 NY
Self-reported in NPPES; status is on the state search - Practice location
- 240 Willoughby Street Ste 7F, Brooklyn, NY 11201
- Phone
- (718) 250-6100
- Enumerated
- Aug 22, 2006
- Record last updated
- Jul 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (718) 250-6110
- Medicare enrollment
- Enrolled (PECOS I20040903000151); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1973
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Verify Jacob Isaac Warman 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 122805 1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,700 Medicare Part D claims for 248 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Trulicity231 claims
- Levothyroxine Sodium131 claims
- Metformin Hcl71 claims
- Methimazole61 claims
- Atorvastatin Calcium60 claims
- Ozempic58 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): 91.1 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).
Industry payments in 2024: $22.15
1 payment: food and beverage; the largest payer was Xeris Pharmaceuticals, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tbhc Physician Services PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Isaac Warman among 970 endocrinology, diabetes & metabolism physician records in New York
Jacob Isaac Warman, MD is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1973 · median 2004 among the 694 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Brooklyn → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jennifer Abrams, DOBrooklyn, NY 112011679101364
- Robert Aden, MDBrooklyn, NY 112011457312829
- Heiba BelalBrooklyn, NY 112011568922524
- Verne De Guzman, MDBrooklyn, NY 112011447889290
- Vanessa Lee, M.D.Brooklyn, NY 112011679708036
- Marina Movshovich, MDBrooklyn, NY 112011013979558
- Mary Ann Banerji, M.D.Brooklyn, NY 112031790779957
- Michelle Baron, MDBrooklyn, NY 112031861463812
Common questions
What is Jacob Isaac Warman, MD's NPI number?
Jacob Isaac Warman, MD's National Provider Identifier (NPI) is 1144336116, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Isaac Warman, MD located?
The NPPES record lists a practice address at 240 Willoughby Street Ste 7F, Brooklyn, NY, 11201. Phone: (718) 250-6100. Providers update this record themselves, so call before visiting.
How can I verify Jacob Isaac Warman, MD's license?
NPPES lists New York license number 122805 1, 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 Jacob Isaac Warman, MD prescribe under Medicare Part D?
In 2024, Jacob Isaac Warman, MD had 1,700 Medicare Part D claims for 248 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Jacob Isaac Warman, MD's MIPS final score?
The 2023 MIPS final score is 91.1 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.