Riley Kae Oberholtzer

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

238479 Issued in AZ

Practice address

9225 N 3Rd St Ste 300
Phoenix, AZ 85020-2466

Phone

(602) 445-0751

NPI assigned

Aug 21, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

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

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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.

• Affiliated Hospitalists, PLC

  • Hospitalist Physician
  • Phoenix, AZ
  • NPI 1265546261
  Medicare reassignment NPD

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

{
    "created_epoch": "1692576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1952185076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9225 N 3RD ST STE 300",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850202466",
            "telephone_number": "602-445-0751",
            "fax_number": "602-424-8128"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9225 N 3RD ST STE 300",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850202466",
            "telephone_number": "602-445-0751"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 E Dunlap Ave",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850202825",
            "country_code": "US",
            "telephone_number": "602-445-0751",
            "fax_number": "602-424-8128",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OBERHOLTZER",
        "first_name": "RILEY",
        "middle_name": "KAE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-21",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "AZ",
            "license": "238479",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "AZ",
            "license": "238479",
            "primary": true
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "AZ",
            "license": "238479",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rafee Obaidi, M.D.
• Esther O Oben
• Sharman Elizabeth Ober-Reynolds, MSN, FNP, CCRP
• Cynthia Faye Oberg, DMD
• David Armstrong Obergfell, LCSW
• Shannon Scott Obernuefemann, DDS
• Marie E Oberst, D.O.
• Brianna R Obezo, RBT
• Ndidiamaka Uzoma Obiesie, MD
• Obifit

• Acute Care Nurse Practitioner in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Acute Care Nurse Practitioner in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 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.