Emma Claire Marcus, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A23146 Issued in CA

Practice address

821 E Chapel St Ste 103
Santa Maria, CA 93454-4618

Phone

(805) 310-5330

Fax

(805) 310-5339

NPI assigned

Apr 4, 2023

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

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

Family Practice

Education

Touro Un College of Osteopathic Medicine, Vallejo, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marian Regional Medical Center Hospital, Santa Maria, CA, CCN 050107

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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

• Dignity Health

  • General Acute Care Hospital
  • Santa Maria, CA
  • NPI 1760510937
  Care Compare affiliation

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

{
    "created_epoch": "1680566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1952006124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "821 E CHAPEL ST STE 103",
            "city": "SANTA MARIA",
            "state": "CA",
            "postal_code": "934544618",
            "telephone_number": "805-310-5330",
            "fax_number": "805-310-5339"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "821 E CHAPEL ST STE 103",
            "city": "SANTA MARIA",
            "state": "CA",
            "postal_code": "934544618",
            "telephone_number": "805-310-5330",
            "fax_number": "805-310-5339"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCUS",
        "first_name": "EMMA",
        "middle_name": "CLAIRE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-04",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A23146",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rodrigo Manriquez
• Katie Patricia Manzo Gomez
• Lisa Marasco, IBCLC
• Jennifer Maravilla
• Victoria Marchant
• Andrea Denise Marez, LCSW 109067
• Maria R. Silvera Portacio PHD, DDS, Inc.
• Guadalupe Nashely Marin Cruz, LMFT
• Michelle Marie Mariscal
• Jonathan Michael Markley, SUDRC126473

• Family Medicine Physician in Santa Maria, CA
• Providers in Santa Maria, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.