Mariana Alamillo

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA66745 Issued in CA

Practice address

2801 Santa Maria Way
Santa Maria, CA 93455-2118

Phone

(805) 934-5400

Fax

(805) 938-9207

NPI assigned

Jul 26, 2024

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2024

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

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mariana.alamillo.1@17363.direct.athenahealth.com

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.

• Community Health Centers of the Central Coast Inc

  • Federally Qualified Health Center (FQHC)
  • Oceano, CA
  • NPI 1336166248
  Medicare reassignment
• Community Health Centers of the Central Coast Inc

  • Federally Qualified Health Center (FQHC)
  • San Luis Obispo, CA
  • NPI 1275553257
  NPD
• Community Health Centers of the Central Coast Inc

  • Federally Qualified Health Center (FQHC)
  • Santa Maria, CA
  • NPI 1447277355
  NPD
• Community Health Centers of the Central Coast Inc

  • Federally Qualified Health Center (FQHC)
  • Cambria, CA
  • NPI 1881611705
  NPD

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": "1721952000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1649009986",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2050 S BLOSSER RD",
            "city": "SANTA MARIA",
            "state": "CA",
            "postal_code": "934587310",
            "telephone_number": "805-361-8030",
            "fax_number": "805-361-8097"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 SANTA MARIA WAY",
            "city": "SANTA MARIA",
            "state": "CA",
            "postal_code": "934552118",
            "telephone_number": "805-934-5400",
            "fax_number": "805-938-9207"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALAMILLO",
        "first_name": "MARIANA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-07-26",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA66745",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Richard Akowuah
• Ruby Akowuah
• Karmen Al Samaani
• Abdallah Al-Harazneh, D.D.S.
• Alain M Hurdle, MD, Inc
• Johanna Alas Diaz
• Albert W Hawkins MD Inc
• Erika Barragan Albert, LMFT #96677
• Albertsons LLC
• Benjamin Albracht

• Physician Assistant in Santa Maria, CA
• Providers in Santa Maria, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2025; 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.