Individual provider Active NPI

Azita Robati Hassas, M.D.

  • General Practice Physician
  • Tustin, CA
National Provider Identifier
1972891679
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice PhysicianTaxonomy code 208D00000X
License
A108511 Issued in CA
Practice address
661 W 1St St Ste G
Tustin, CA 92780-2939
Phone
(714) 665-9890
Fax
(714) 665-9891
NPI assigned
Jul 14, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Physician 208D00000X A108511 CA Primary

Addresses

Primary practice location

661 W 1St St Ste G
Tustin, CA 92780-2939

Mailing address

661 W 1St St Ste G
Tustin, CA 92780-2939
Phone (714) 665-9890

Other practice location 1

9918 Katella Ave Ste A-C
Anaheim, CA 92804-6465
Phone (714) 644-9494

Other practice location 2

11180 Warner Ave Ste 353
Fountain Valley, CA 92708-4098
Phone (714) 968-6789

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20140331001101 CA Practitioner - General Practice 1153552443 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
108511CAMDDentist
A108511CAMDGeneral Practice Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Families Together of Orange County CurrentSince Dec 1, 2020 Accepting new patients
Families Together of Orange County CurrentSince Dec 1, 2020 Accepting new patients
Families Together of Orange County PastSince Jan 21, 2024 Accepting new patients

Locations

9918 Katella Ave
Ste A
Anaheim, CA 92804
Phone (949) 439-0006

9918 Katella Ave
Ste Ac
Anaheim, CA 92804
Phone (714) 644-9494

11180 Warner Ave
Ste 353
Fountain Vly, CA 92708
Phone (714) 751-3540

661 W 1st St
Tustin, CA 92780
Phone (714) 665-9890

661 W 1st St
Ste G
Tustin, CA 92780
Phone (714) 665-9890

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1310601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1972891679",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "661 W 1ST ST STE G",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927802939",
            "telephone_number": "714-665-9890",
            "fax_number": "714-665-9891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "661 W 1ST ST STE G",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927802939",
            "telephone_number": "714-665-9890",
            "fax_number": "714-665-9891"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9918 Katella Ave Ste A-C",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928046465",
            "country_code": "US",
            "telephone_number": "714-644-9494",
            "fax_number": "714-644-9894",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11180 Warner Ave Ste 353",
            "address_purpose": "LOCATION",
            "city": "Fountain Valley",
            "state": "CA",
            "postal_code": "927084098",
            "country_code": "US",
            "telephone_number": "714-968-6789",
            "fax_number": "714-202-2626",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HASSAS",
        "first_name": "AZITA",
        "middle_name": "ROBATI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-07-14",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "CA",
            "license": "A108511",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tustin, CA

Sources for this page

Verify at the official NPI Registry.