Quick answers
- Which hospitals does Ashley M. Castillo work at?
- Medicare's official clinician data lists Ashley M. Castillo at 2 hospitals: Huhu Kam Memorial Hospital and Mercy Gilbert Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ashley M. Castillo see patients?
- Medicare's clinician data lists 1 practice location in Sacaton, AZ. Call before your visit to confirm the address.
- What is Ashley M. Castillo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ashley M. Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Ashley M. Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ashley M. Castillo?
- (602) 528-1200, as listed in official Medicare / NPI Registry data.
- What is Ashley M. Castillo's NPI number?
- 1124448246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ashley M. Castillo works
Medicare's Facility Affiliation Data lists Ashley M. Castillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Huhu Kam Memorial HospitalSacaton, AZ · Critical Access Hospital · CCN 031308
- Mercy Gilbert Medical CenterGilbert, AZ · Acute Care Hospital · CCN 030119
Practice locations
Addresses where Ashley M. Castillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 483 W Seed Farm Rd, Hu Hu Kam Memorial HospSacaton, AZ 85147 (602) 528‑1200
Group practices
Medicare enrollment lists Ashley M. Castillo as a member of this group (CMS data updated 2026-10-02).
- Gila River Health Care Corporation247 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sacaton
Clinicians with the same Medicare primary specialty in Sacaton, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124448246 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians