Doctor profile · Federal record
Dr. Geeti Mahajan, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Brooklyn, NY
- NPI 1538320510
- Accepts Medicare
- 20 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4802 10Th Ave Fl 3
Brooklyn, NY 112192916
(718) 283-5923
fax (718) 283-8498 - Mailing address
-
5402 Fort Hamilton Pkwy, Fl 6
Brooklyn, NY 11219
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- February 4, 2026
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- New York #309583 · New Jersey #25MA10543800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538320510. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
172
Distinct HCPCS
4
Medicare allowed
$21,716
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 80 | 36 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 63 | 35 | $148 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $195 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $150 |
In context: peer comparison
Among 26 peers in Brooklyn Endocrinology, Diabetes & Metabolism Physician, average services per provider: 127. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$188
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sanofi-Aventis U.S. LLC | 1 | $114.04 | |
| Medtronic, INC. | 1 | $74.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
438
Patients
60
Total drug cost
$243,343
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ozempic (Semaglutide) | Brand | 121 | 25 | $137,247 |
| Metformin Hcl | Generic | 55 | 21 | $587 |
| Levothyroxine Sodium | Generic | 42 | 14 | $608 |
| Repaglinide | Generic | 35 | 0 | $1,026 |
| Basaglar Kwikpen U-100 (Insulin Glargine,Hum.Rec.Anlog) | Brand | 26 | 0 | $7,790 |
| Icosapent Ethyl | Generic | 21 | 0 | $5,058 |
| Alcohol Prep Pads (Alcohol Antiseptic Pads) | Brand | 18 | 0 | $244 |
| Trulicity (Dulaglutide) | Brand | 18 | 0 | $22,584 |
| Novolog Flexpen (Insulin Aspart) | Brand | 17 | 0 | $9,838 |
| Atorvastatin Calcium | Generic | 16 | 0 | $110 |
Frequently asked questions
What is Dr. Geeti Mahajan's medical specialty?
Dr. Geeti Mahajan practices Endocrinology, Diabetes & Metabolism Physician in Brooklyn, NY.
Where does Dr. Geeti Mahajan practice?
Dr. Geeti Mahajan practices at 4802 10Th Ave Fl 3, Brooklyn, NY 112192916. Office phone: 7182835923.
What is Dr. Geeti Mahajan's NPI?
Dr. Geeti Mahajan's National Provider Identifier (NPI) is 1538320510, issued by NPPES.
Does Dr. Geeti Mahajan accept Medicare assignment?
Yes. Dr. Geeti Mahajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geeti Mahajan 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); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.