Deborah Ann Metzger, PHD, MD

Primary specialty

Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X

License

C50171 Issued in CA

Practice address

851 Fremont Ave Ste 104
Los Altos, CA 94024-5602

Phone

(650) 229-1010

Fax

(650) 229-1011

NPI assigned

Jul 17, 2006

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 Medicine, Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1780602813",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "851 FREMONT AVE STE 104",
            "city": "LOS ALTOS",
            "state": "CA",
            "postal_code": "940245602",
            "telephone_number": "650-229-1010",
            "fax_number": "650-229-1011"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "851 FREMONT AVE STE 104",
            "city": "LOS ALTOS",
            "state": "CA",
            "postal_code": "940245602",
            "telephone_number": "650-229-1010",
            "fax_number": "650-229-1011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "METZGER",
        "first_name": "DEBORAH",
        "middle_name": "ANN",
        "name_prefix": "Dr.",
        "credential": "PHD, MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "CA",
            "license": "C50171",
            "primary": true
        },
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "CA",
            "license": "C50171",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Henry S. Mellen, PH.D.
• Pilar Rodriguez Meltz
• Adrienne Mak Mendel
• Evelyn Warshaw Merritt, M.A. CCC-A
• Vickie Messick, BCBA
• Linda Meyer
• Hal Lynne Micali, LMFT
• Payvand Milani
• Maria Estefania Millan
• Robert Christopher Miller, PH.D.

• Reproductive Endocrinology Physician in Los Altos, CA
• Providers in Los Altos, CA by specialty
• Reproductive Endocrinology Physician in California

• 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.