Tamesis Medical Corporation

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

TAMESIS MEDICAL CORPORATION

Practice address

151 N Sunrise Ave Ste 1103
Roseville, CA 95661-2931

Phone

(562) 640-2300

NPI assigned

Jul 29, 2026

Organization subpart

No

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

Authorized official

Name

James Tamesis, MD

Title

Ceo

Phone

(562) 640-2300

Specialties & licenses 1

Addresses

Locations

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

{
    "created_epoch": "1785283200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785283200000",
    "number": "1265354336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "151 N SUNRISE AVE STE 1103",
            "city": "ROSEVILLE",
            "state": "CA",
            "postal_code": "956612931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "151 N SUNRISE AVE STE 1103",
            "city": "ROSEVILLE",
            "state": "CA",
            "postal_code": "956612931",
            "telephone_number": "562-640-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TAMESIS MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-29",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A",
        "authorized_official_last_name": "TAMESIS",
        "authorized_official_first_name": "JAMES",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "562-640-2300",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dunya Talabani
• Talal H. Alsaleem, LMFT
• Talk It Out Relationship Education Services, Inc.
• Talking Turtles Speech
• Sarah W.T. Tam, DDS, BDSC
• James Florencio Dec Tamesis, M.D.
• Kristen Elizabeth Tamsil, DO
• Howard Lei Tan, PHARM.D.
• Jaime Tan, MD
• Lucy Tan

• Internal Medicine Physician in Roseville, CA
• Providers in Roseville, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.