Dr Gregory Shifrin Obgyn PC
NPI 1154407013 · Obstetrics & Gynecology Physician · Brooklyn, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr Gregory Shifrin Obgyn PC is a Obstetrics & Gynecology Physician organization in Brooklyn, NY (NPI 1154407013).
Provider details
- NPI number
- 1154407013
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Shifrin, Owner(718) 743-0505
- License
- 202259 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2013-09-27
Frequently asked questions
- What is Dr Gregory Shifrin Obgyn PC's NPI number?
- Dr Gregory Shifrin Obgyn PC's National Provider Identifier (NPI) is 1154407013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Gregory Shifrin Obgyn PC?
- Dr Gregory Shifrin Obgyn PC is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Dr Gregory Shifrin Obgyn PC located?
- Dr Gregory Shifrin Obgyn PC's practice location on file with NPPES is 1766 E 12th Street, Brooklyn, NY 11229.
- What is Dr Gregory Shifrin Obgyn PC's phone number?
- The practice phone number listed in the NPPES registry for Dr Gregory Shifrin Obgyn PC is (718) 743-0505.
- Does Dr Gregory Shifrin Obgyn PC accept Medicare?
- Dr Gregory Shifrin Obgyn PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr Gregory Shifrin Obgyn PC?
- The authorized official listed on Dr Gregory Shifrin Obgyn PC's NPPES record is Gregory Shifrin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Gregory Shifrin Obgyn PC's NPI active?
- Yes — Dr Gregory Shifrin Obgyn PC's NPI (1154407013) is active in the NPPES registry as of the last update on 2013-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.