Sandra L Shefrin, M.D.

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

G51116 Issued in CA

Practice address

279 Miller Ave
Mill Valley, CA 94941-2832

Phone

(415) 380-1950

Fax

(415) 388-5742

NPI assigned

May 12, 2006

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

Enrolled in CA

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.

Enrollment records 1

Specialty

NeurologyAlso: Internal Medicine

Education

Other, 1978

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marinhealth Medical Center Hospital, Greenbrae, CA, CCN 050360

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.

• Marin General Hospital

  • General Acute Care Hospital
  • Greenbrae, CA
  • NPI 1396725677
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Marin General Hospital

  • General Acute Care Hospital
  • Greenbrae, CA
  • NPI 1396725677
  Care Compare affiliation

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

{
    "created_epoch": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1083665335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 SUNNYSIDE AVE",
            "address_2": "A 460",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949411933",
            "telephone_number": "415-380-1950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "279 MILLER AVE",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949412832",
            "telephone_number": "415-380-1950",
            "fax_number": "415-388-5742"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHEFRIN",
        "first_name": "SANDRA",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "G51116",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarabenet Sequeira, M.D.
• Emma Christine Sew Hoy, PHARM.D.
• Christopher Bray Shaffer, M.D.
• Rajul Hemant Shah, MFT
• Cory Shank, DC
• Alexis Lillian Sherer, PA-C
• Sherman Chan, DDS, Inc.
• Jack Sherman, D.D.S.
• Marianne H Shine, LMFT, RDT
• Dina Shouman

• Neurology Physician in Mill Valley, CA
• Providers in Mill Valley, CA by specialty
• Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.