Individual provider Active NPI

Mercedeh Mirhosseini

  • Internal Medicine Physician
  • Thousand Oaks, CA
National Provider Identifier
1164113650
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
1164113650 Issued in CA
Practice address
215 W Janss Rd
Thousand Oaks, CA 91360-1847
Phone
(805) 497-2727
NPI assigned
May 16, 2023
Last updated
Apr 2, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 1164113650 CA Primary

Addresses

Primary practice location

215 W Janss Rd
Thousand Oaks, CA 91360-1847

Mailing address

215 W Janss Rd
Thousand Oaks, CA 91360-1847

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
1164113650CAMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1684195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1164113650",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "215 W JANSS RD",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913601847"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "215 W JANSS RD",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913601847",
            "telephone_number": "805-497-2727"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MIRHOSSEINI",
        "first_name": "MERCEDEH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-05-16",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "1164113650",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Thousand Oaks, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.