Margaret Grey, PHD, PNP
NPI 1245258862 · Pediatric Nurse Practitioner · New Haven, CT
Margaret Grey, PHD, PNP is a Pediatric Nurse Practitioner provider in New Haven, CT (NPI 1245258862).
Provider details
- NPI number
- 1245258862
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHD, PNP
- Sex
- Female
- Sole proprietor
- No
- License
- R24358 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
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
- 2006-07-18
- Last updated
- 2025-09-11
Frequently asked questions
- What is Margaret Grey's NPI number?
- Margaret Grey's National Provider Identifier (NPI) is 1245258862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Grey's specialty?
- Margaret Grey is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Grey located?
- Margaret Grey's practice location on file with NPPES is 20 York Street, New Haven, CT 06510-3202.
- What is Margaret Grey's phone number?
- The practice phone number listed in the NPPES registry for Margaret Grey is (203) 737-1792.
- Is Margaret Grey's NPI active?
- Yes — Margaret Grey's NPI (1245258862) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.