Margaret Till, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

68295 Issued in CA

Practice address

300 Pasteur Dr
Palo Alto, CA 94305-2200

Phone

(650) 723-4000

NPI assigned

Sep 18, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Physician Assistant

Education

Other, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1694995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1609654086",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TILL",
        "first_name": "MARGARET",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-18",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "68295",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Phyllis Balley Thurstone, M.D.
• Gregory Ming Tiao, MD
• Nicholas Tieu, PA-C
• Tiferes Medical Group
• Tiffany Bui, D.M.D., I.N.C
• Lauren Timmerman, LCSW
• Molly Timmerman, DO
• Jason Tinero
• Belinda Ting, DPT, OCS, CSCS
• Javi Fuentes Ting, NP

• Physician Assistant in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.