Margaret Grey, PHD, PNP

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

000807 Issued in CT

Practice address

20 York Street
Yale-New Haven Hospital
New Haven, CT 06510-3202

Phone

(203) 737-1792

NPI assigned

Jul 18, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1245258862",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "313 BLAKE CIR",
            "city": "HAMDEN",
            "state": "CT",
            "postal_code": "065173351",
            "telephone_number": "203-785-2393",
            "fax_number": "203-785-3554"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK STREET",
            "address_2": "YALE-NEW HAVEN HOSPITAL",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103202",
            "telephone_number": "203-737-1792"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREY",
        "first_name": "MARGARET",
        "credential": "PHD, PNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-18",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "CT",
            "license": "000807",
            "primary": true
        },
        {
            "code": "163WP0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Pediatrics",
            "state": "CT",
            "license": "R24358",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Debra Woodruff Gregory, PHD
• Francis Xavier Gregory, PHD
• Kathleen Grene
• Mildred Grenough, CISW
• Tamja Renell Grey-Moore, LCSW
• Twanda Grey, LCSW
• Elizabeth A Gribble, APRN
• Matthew Michael Griepp, M.D.
• Dyan Griffin, MD
• Rachel Griffin, LPCA

• Pediatric Nurse Practitioner in New Haven, CT
• Providers in New Haven, CT by specialty
• Pediatric Nurse Practitioner in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.