Katharine A Castillo, NP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP10184 Issued in AZ

Practice address

551 W Magee Rd
Tucson, AZ 85704-6439

Phone

(520) 488-6467

NPI assigned

Jun 1, 2017

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

Other identifiers 1

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, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Tucson Physician Group Holdings LLCGroup PAC ID 0547560070, 200 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sacred Heart Home Health Care - Tucson Home health agency, Tucson, AZ, CCN 037144
• Bayada Home Health Care, Inc Home health agency, Tucson, AZ, CCN 037213
• Northwest Medical Center Hospital, Tucson, AZ, CCN 030085
• Tucson Medical Center Hospital, Tucson, AZ, CCN 030006
• Oro Valley Hospital Hospital, Oro Valley, AZ, CCN 030114

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: katharine.castillo.1@600.direct.athenahealth.com
• FHIR API: https://fhir-myrecord.cerner.com/r4/MmWbh382tKlbvAIA1_DeLlIjYVSwroch/

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.

• Tucson Physician Group Holdings, LLC

  • Interventional Cardiology Physician
  • Tucson, AZ
  • NPI 1356726939
  Medicare reassignment Care Compare group NPD
• Carondelet Medical Group, Inc

  • Family Medicine Physician
  • Tucson, AZ
  • NPI 1659326585
  NPD (past)

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

• Bayada Home Health Care, Inc.

  • Home Health Agency
  • Tucson, AZ
  • NPI 1063743078
  Care Compare affiliation
• Bayada Home Health Care, Inc.

  • Home Health Agency
  • Tucson, AZ
  • NPI 1841221751
  Care Compare affiliation
• Bayada Home Health Care, Inc.

  • Home Health Agency
  • Tucson, AZ
  • NPI 1902847973
  Care Compare affiliation
• Northwest Hospital LLC

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1487607784
  Care Compare affiliation
• Oro Valley Hospital LLC

  • General Acute Care Hospital
  • Oro Valley, AZ
  • NPI 1386697688
  Care Compare affiliation
• Sun Peak Healthcare LLC

  • Home Health Agency
  • Tucson, AZ
  • NPI 1093311284
  Care Compare affiliation
• Tucson Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1174512792
  Care Compare affiliation

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

{
    "created_epoch": "1496275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1912435009",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3501 E SPEEDWAY BLVD STE 300",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857163928",
            "telephone_number": "520-833-5171",
            "fax_number": "520-318-7107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "551 W MAGEE RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857046439",
            "telephone_number": "520-488-6467"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTILLO",
        "first_name": "KATHARINE",
        "middle_name": "A",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-01",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "AP10184",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "277684",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Brooklyn Abbigale Castilla
• Darby Castille
• Alejandra L. Castillo
• Erica Castillo, DNP, MSN, BSN, RN
• Haeli Lynnae Castillo
• Katy Castillo, LCSW
• Nilsa Castillo
• Paulina D. Castillo
• Pinky Roxas Castillo, NURSE PRACTITIONER
• Rachel R Castillo, SLPA

• Family Nurse Practitioner in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Family Nurse Practitioner in Arizona

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