Harris Avery Masket, M.D.

Primary specialty

Sports Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0010X

License

A74623 Issued in CA

Practice address

100 Shoreline Highway
210A
Mill Valley, CA 94941

Phone

(415) 388-5520

Fax

(415) 388-5503

NPI assigned

Feb 23, 2007

Sex

Male

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: Yes

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Apr 1, 2023 through Apr 1, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Avant Inpatient Services Medical Group, Inc

  • Internal Medicine Physician
  • Castro Valley, CA
  • NPI 1336106897
  NPD (past)
• Berkeley Emergency Medical Group, Inc.

  • Emergency Medicine Physician
  • Oakland, CA
  • NPI 1508874454
  NPD (past)
• Berkeley Emergency Medical Group, Inc.

  • Emergency Medicine Physician
  • Berkeley, CA
  • NPI 1780692632
  NPD (past)

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

{
    "created_epoch": "1172188800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1729468800000",
    "number": "1801921218",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5442 BOYD AVE",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946181115",
            "telephone_number": "510-368-2802"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 SHORELINE HIGHWAY",
            "address_2": "210A",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "94941",
            "telephone_number": "415-388-5520",
            "fax_number": "415-388-5503"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASKET",
        "first_name": "HARRIS",
        "middle_name": "AVERY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-23",
        "last_updated": "2024-10-21",
        "certification_date": "2023-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0010X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sports Medicine",
            "state": "CA",
            "license": "A74623",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark O Manoukian Dental Corp
• Marsha J. Bluto, M.D., a Professional Corporation
• Alexis A Martinez, PA-C
• John Michael Martinez, M.D.
• Krystle Rose Martinez
• Altha Gail Mason
• Robert Mass, MD
• Erik Mathon, D.C.
• Alexandra Matthews, PH.D.
• Gabrielle Marie Mayfield

• Sports Medicine (Internal Medicine) Physician in Mill Valley, CA
• Providers in Mill Valley, CA by specialty
• Sports Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 2024; 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.