Diana Cai, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

9520 W Palm LN Ste 150-a
Phoenix, AZ 85037-4403

Phone

(602) 584-5444

NPI assigned

Sep 25, 2025

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 AZ

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

Physician Assistant

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HAHHBD

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.

• Heart One Associates LLC

  dba Heart One

  • Cardiovascular Disease Physician
  • Phoenix, AZ
  • NPI 1942778766
  Medicare reassignment NPD

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

{
    "created_epoch": "1758758400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1417820614",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9520 W PALM LN STE 150-A",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850374403"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9520 W PALM LN STE 150-A",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850374403",
            "telephone_number": "602-584-5444"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CAI",
        "first_name": "DIANA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-09-25",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "AZ",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paul Darrell Cagle
• Bruce Cahill, M.D.
• Jeanne Ann Cahill, MS, RD, CDE
• Victoria Ann Cahill, N.P.
• Alexis Cahn, D.O.
• Elizabeth Cai, DPM
• Hieu Dang Cai, PHARM.D
• Arielle Caiazzo, MSW
• Caidcare Mobility LLC (Caidcare Mobility)
• Alexandra Caienar, APRN-FNP-C

• Physician Assistant in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Physician Assistant in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2025; 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.