Doctor profile · Federal record
Dr. Gregory Defazio, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Brooklyn, NY
- NPI 1164495628
- Accepts Medicare
- MIPS 83.0 / 100 · 2023
- 35 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
1301 82Nd Street
Brooklyn, NY 11228
(718) 836-3721
fax (718) 259-6567
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- New York #198761
- Medicaid
- NY #01606046
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164495628. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
216
Distinct HCPCS
4
Medicare allowed
$16,541
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 88 | 78 | $105 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 54 | 54 | $47 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 54 | 54 | $51 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 20 | 16 | $99 |
In context: peer comparison
Among 51 peers in this city , average services per provider: 77. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
37
Patients
24
Total drug cost
$185
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fluconazole | Generic | 37 | 24 | $185 |
Frequently asked questions
What is Dr. Gregory Defazio's medical specialty?
Dr. Gregory Defazio practices Obstetrics & Gynecology Physician in Brooklyn, NY.
Where does Dr. Gregory Defazio practice?
Dr. Gregory Defazio practices at 1301 82Nd Street, Brooklyn, NY 11228. Office phone: 7188363721.
What is Dr. Gregory Defazio's NPI?
Dr. Gregory Defazio's National Provider Identifier (NPI) is 1164495628, issued by NPPES.
Does Dr. Gregory Defazio accept Medicare assignment?
Yes. Dr. Gregory Defazio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Defazio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.