Quick answers
- Which hospitals does Walter D Costa work at?
- Medicare's official clinician data lists Walter D Costa at 3 hospitals: Adventist Health Ukiah Valley, Providence Santa Rosa Memorial Hospital and Sutter Santa Rosa Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Walter D Costa see patients?
- Medicare's clinician data lists 1 practice location in Santa Rosa, CA. Call before your visit to confirm the address.
- What is Walter D Costa's specialty?
- Medicare lists Podiatry as the primary specialty.
- Does Walter D Costa accept Medicare assignment?
- Yes. Medicare's clinician data says Walter D Costa 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 Walter D Costa?
- (707) 544-3337, as listed in official Medicare / NPI Registry data.
- What is Walter D Costa's NPI number?
- 1548336605. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Walter D Costa works
Medicare's Facility Affiliation Data lists Walter D Costa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · CCN 050301
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050291
Practice locations
Addresses where Walter D Costa is enrolled with Medicare (CMS data updated 2026-10-02).
- 2281 Cleveland AveSanta Rosa, CA 95403 (707) 544‑3337
Specialties
- Podiatryprimary
Other podiatrists in Santa Rosa
Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Medical school | California School Of Podiatric Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548336605 |
| 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