Hasmig Tatiossian, LCSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

125498 Issued in CA

Practice address

2225 Challenger Way
Santa Rosa, CA 95407-5441

Phone

(707) 565-6900

NPI assigned

Nov 18, 2022

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: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

County of SonomaGroup PAC ID 4688658651, 28 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• County of Sonoma

  • Community Health Clinic/Center
  • Cloverdale, CA
  • NPI 1952637027
  Medicare reassignment Care Compare group NPD
• County of Sonoma

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Santa Rosa, CA
  • NPI 1275749624
  NPD
• County of Sonoma

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Santa Rosa, CA
  • NPI 1306050828
  NPD

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

{
    "created_epoch": "1668729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1659080695",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1347",
            "city": "ROHNERT PARK",
            "state": "CA",
            "postal_code": "949271347",
            "telephone_number": "818-730-8130"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2225 CHALLENGER WAY",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954075441",
            "telephone_number": "707-565-6900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TATIOSSIAN",
        "first_name": "HASMIG",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-11-18",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "125498",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maryum Tariq
• Destinee Tartuffe, C.MT
• Veronica Tarutani
• Ann M Tate
• Vineeth Tatineni, M.D.
• Braden Tavelli
• Angela Taylor
• Emily Taylor
• Erik Taylor
• Heather B Taylor, MFT

• Social Worker in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.