Madeline Gregory

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

415 Old Newport Blvd Ste 200
Newport Beach, CA 92663-4252

Phone

(949) 548-9611

Fax

(949) 548-9958

NPI assigned

Sep 27, 2023

Sex

Female

Sole proprietor

Yes

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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

{
    "created_epoch": "1695772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1194504191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "415 OLD NEWPORT BLVD STE 200",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926634252",
            "telephone_number": "949-548-9611",
            "fax_number": "949-548-9958"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "415 OLD NEWPORT BLVD STE 200",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926634252",
            "telephone_number": "949-548-9611",
            "fax_number": "949-548-9958"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREGORY",
        "first_name": "MADELINE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-09-27",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Megan Gregor, NP
• Theodore K. Gregorius, M.D.
• Gregory a Robertson MD a Professional Medical Corporation
• Gregory Alan. Bartlow, M.D., Inc.
• Gregory C Di Rocco, M.D., Inc.
• Julia Rahmann Grepo, PA-C
• Sonia Ralli Grewal, M.D.
• Tiffany Marie Gribble
• Chelsea Anne Griffin-Hilbert, LCSW
• Cerina Griffin, M.S., M.F.T

• Physician Assistant in Newport Beach, CA
• Providers in Newport Beach, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.