Inna Ella Spivak, N.P.

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

23730 Issued in CA

Practice address

440 E Huntington Dr Ste 200
Arcadia, CA 91006-3775

Phone

(626) 254-2293

NPI assigned

Feb 26, 2015

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: ispivak206341@westdirect.optum.com

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.

• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Healthcare Partners Affiliates Medical Group

  • Addiction Medicine (Internal Medicine) Physician
  • Tustin, CA
  • NPI 1891981502
  NPD

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

{
    "created_epoch": "1424908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768089600000",
    "number": "1467844589",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "440 E HUNTINGTON DR STE 200",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910063775",
            "telephone_number": "626-254-2293"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 W California Blvd",
            "address_purpose": "LOCATION",
            "city": "Pasadena",
            "state": "CA",
            "postal_code": "911053010",
            "country_code": "US",
            "telephone_number": "626-397-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SPIVAK",
        "first_name": "INNA",
        "middle_name": "ELLA",
        "name_prefix": "Ms.",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-02-26",
        "last_updated": "2026-01-11",
        "certification_date": "2026-01-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "23730",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Southern California Heart Specialists
• Southwest Medical Imaging
• Specialty Surgical Center of Arcadia, LLC
• Allan Spencer
• Pennie Spirtos, PT, DPT
• Poorna Sreekumar, MD
• Sowmya Srinivas
• Justin Srithongrung, DDS
• St. Jude Hospital Yorba Linda
• St. Vincent Hospice and Palliative Care Services Inc

• Acute Care Nurse Practitioner in Arcadia, CA
• Providers in Arcadia, CA by specialty
• Acute Care Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 11, 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.