Doctor profile · Federal record

Dr. Jacob Warman, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Brooklyn, NY

  • NPI 1144336116
  • Accepts Medicare
  • MIPS 81.1 / 100 · 2023
  • 53 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
240 Willoughby Street Ste 7F, The Brooklyn Hospital Center Dip Endocrine Rheumatology
Brooklyn, NY 11201
(718) 250-6100
fax (718) 250-6110
Mailing address
121 Dekalb Ave Ste 9D Maynard Building, The Brooklyn Hospital Center
Brooklyn, NY 112015425

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 9, 2008
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
New York #122805 1 · New York #122805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144336116. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,087
Distinct HCPCS
7
Medicare allowed
$118,341
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 572 76 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 192 80 $147
99213 Established patient office or other outpatient visit, 20-29 minutes 104 56 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 80 42 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 78 73 $150
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $195
99214 Established patient office or other outpatient visit, 30-39 minutes 28 18 $112

In context: peer comparison

Among 26 peers in this city , average services per provider: 127. This provider delivers 8.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Xeris Pharmaceuticals, Inc. 1 $22.15

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,151
Patients
268
Total drug cost
$589,923
Drug Type Claims Patients Total cost
Trulicity (Dulaglutide) Brand 309 58 $373,969
Levothyroxine Sodium Generic 150 41 $2,930
Metformin Hcl Generic 88 24 $608
Atorvastatin Calcium Generic 69 17 $988
Metformin Hcl Er (Metformin Hcl) Brand 69 20 $802
Methimazole Generic 69 20 $1,110
Novolog Flexpen (Insulin Aspart) Brand 64 17 $63,651
Januvia (Sitagliptin Phosphate) Brand 59 18 $58,623
Synthroid (Levothyroxine Sodium) Brand 51 16 $4,302
Glimepiride Generic 48 13 $842

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jacob Warman's medical specialty?
Dr. Jacob Warman practices Endocrinology, Diabetes & Metabolism Physician in Brooklyn, NY.
Where does Dr. Jacob Warman practice?
Dr. Jacob Warman practices at 240 Willoughby Street Ste 7F, Brooklyn, NY 11201. Office phone: 7182506100.
What is Dr. Jacob Warman's NPI?
Dr. Jacob Warman's National Provider Identifier (NPI) is 1144336116, issued by NPPES.
Does Dr. Jacob Warman accept Medicare assignment?
Yes. Dr. Jacob Warman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jacob Warman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.