Isabel Gregg, N.P.
NPI 1467909309 · Women's Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabel Gregg, N.P. is a Women's Health Nurse Practitioner provider in New York, NY (NPI 1467909309).
Provider details
- NPI number
- 1467909309
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- F421261-1 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-09-08
- Last updated
- 2021-12-02
- Certified
- 2021-12-02
Frequently asked questions
- What is Isabel Gregg's NPI number?
- Isabel Gregg's National Provider Identifier (NPI) is 1467909309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Gregg's specialty?
- Isabel Gregg is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Isabel Gregg located?
- Isabel Gregg's practice location on file with NPPES is 26 Bleecker St, New York, NY 10012-2413.
- What is Isabel Gregg's phone number?
- The practice phone number listed in the NPPES registry for Isabel Gregg is (212) 965-7000.
- Does Isabel Gregg accept Medicare?
- Isabel Gregg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabel Gregg's NPI active?
- Yes — Isabel Gregg's NPI (1467909309) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.