Mary Elise Gianos, MD

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

G57446 Issued in CA

Practice address

3901 Las Posas Rd
Suite 203
Camarillo, CA 93010-1501

Phone

(805) 482-5518

Fax

(805) 445-9543

NPI assigned

Sep 9, 2005

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

Allergy/ImmunologyAlso: Internal Medicine

Education

Northwestern University Feinberg Medical School, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

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.

• Dignity Health

  dba St. John's Regional Medical Center

  • General Acute Care Hospital
  • Oxnard, CA
  • NPI 1073665360
  NPD (past)

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

{
    "created_epoch": "1126224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1386638971",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3901 LAS POSAS RD",
            "address_2": "SUITE 203",
            "city": "CAMARILLO",
            "state": "CA",
            "postal_code": "930101501",
            "telephone_number": "805-482-5518",
            "fax_number": "805-445-9543"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3901 LAS POSAS RD",
            "address_2": "SUITE 203",
            "city": "CAMARILLO",
            "state": "CA",
            "postal_code": "930101501",
            "telephone_number": "805-482-5518",
            "fax_number": "805-445-9543"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIANOS",
        "first_name": "MARY",
        "middle_name": "ELISE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "CA",
            "license": "G57446",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vincent B Gest, CP, BOCO
• Erin Nicole Ghaffari, RD
• Mallory Rachelle Giacopuzzi
• Catherine Giacopuzzirotz
• Cynthia Ann Giangreco, R.P.T.
• Sherri Gilbert, MFT
• Eliana Gillaspy, B.A.
• Rochelle Nichole Gillespie, LMFT
• Michael Louis Gilless
• Angelica Guadalupe Gilmore

• Allergy & Immunology Physician in Camarillo, CA
• Providers in Camarillo, CA by specialty
• Allergy & Immunology 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.