Gregory Shifrin, MD
NPI 1477688604 · Specialist · Brooklyn, NY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Shifrin, MD is a Specialist provider in Brooklyn, NY (NPI 1477688604).
Provider details
- NPI number
- 1477688604
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 202259 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,403 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 490 | $34 |
| Ultrasound of Abdomen and Pelvis Artery and Vein Blood Flow93976 | 292 | $167 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 289 | $138 |
| Detection Test By Nucleic Acid for Trichomonas Vaginalis (genital Parasite), Amplified Probe Technique87661 | 245 | $34 |
| Detection Test By Nucleic Acid for Multiple Organisms, Amplified Probe(s) Technique87801 | 245 | $69 |
| Detection of Mycoplasma Genitalium By Dna Or Rna Probe87563 | 243 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Terconazole | 72 | 33 |
| Fluconazole | 68 | 42 |
| Estradiol | 54 | 26 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 50 | 25 |
| Doxycycline Hyclate | 39 | 36 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 36 | 27 |
| Metronidazole | 31 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$392 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Shifrin's NPI number?
- Gregory Shifrin's National Provider Identifier (NPI) is 1477688604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Shifrin's specialty?
- Gregory Shifrin is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Gregory Shifrin located?
- Gregory Shifrin's practice location on file with NPPES is 1766 E 12th St, Brooklyn, NY 11229-1014.
- What is Gregory Shifrin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Shifrin is (718) 743-0505.
- Does Gregory Shifrin accept Medicare?
- Gregory Shifrin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Shifrin's NPI active?
- Yes — Gregory Shifrin's NPI (1477688604) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.