Individual provider Active NPI

Ani Bussel, M.D.

  • Hospitalist Physician
  • Orange, CA
National Provider Identifier
1104211176
Registry record updated Aug 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
A161118 Issued in CA
Practice address
1100 W Stewart Dr
Orange, CA 92868-3849
Phone
(714) 771-8177
Fax
(714) 628-3306
NPI assigned
Apr 6, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 2018016611 MO
Hospitalist Physician 208M00000X A161118 CA Primary

Addresses

Primary practice location

1100 W Stewart Dr
Orange, CA 92868-3849

Mailing address

200 S Manchester Ave Ste 300
Orange, CA 92868-3219
Phone (714) 456-2986

Other practice location 1

101 The City Dr S
Orange, CA 92868
Phone (714) 880-7812

Other practice location 2

3015 N Ballas Rd
Saint Louis, MO 63131
Phone (314) 996-5772

Other practice location 3

3015 N Ballas Rd
Saint Louis, MO 63131
Phone (314) 996-5772

Other names 1

  • Ani Abrahamyan Former name

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190912002340 CA Practitioner - Hospitalist 0941515803 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

1100 W Stewart Dr
Orange, CA 92868-3849
Phone (714) 633-9111

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A161118CAMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Regents of the University of California-Irvine Hospitalist CurrentSince Sep 1, 2019 Accepting new patients
Providence Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients
Providence Medical Foundation Current Accepting new patients
Providence Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients

Locations

1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835

100 E Valencia Mesa Dr
Ste 105
Fullerton, CA 92835
Phone (714) 446-5200

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

1100 W Stewart Dr
Orange, CA 92868
Phone (714) 532-8620

Organizations & group practices 4

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1104211176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 S MANCHESTER AVE STE 300",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683219",
            "telephone_number": "714-456-2986"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 W STEWART DR",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683849",
            "telephone_number": "714-771-8177",
            "fax_number": "714-628-3306"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 The City Dr S",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "92868",
            "country_code": "US",
            "telephone_number": "714-880-7812",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3015 N Ballas Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "63131",
            "country_code": "US",
            "telephone_number": "314-996-5772",
            "fax_number": "314-996-7691",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3015 N Ballas Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "63131",
            "country_code": "US",
            "telephone_number": "314-996-5772",
            "fax_number": "314-996-7691",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUSSEL",
        "first_name": "ANI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-06",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2018016611",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A161118",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANI",
            "last_name": "ABRAHAMYAN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.