Quick answers
- Which hospitals does William D. Welsh work at?
- Medicare's official clinician data lists William D. Welsh at 1 hospital: PIH Health Hospital-Whittier. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William D. Welsh see patients?
- Medicare's clinician data lists 1 practice location in Whittier, CA. Call before your visit to confirm the address.
- What is William D. Welsh's specialty?
- Medicare lists Family Practice as the primary specialty, and also Geriatric Medicine.
- Does William D. Welsh accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Welsh 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.
- Does William D. Welsh offer telehealth?
- Medicare's clinician data says William D. Welsh offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William D. Welsh?
- (562) 945-9333, as listed in official Medicare / NPI Registry data.
- What is William D. Welsh's NPI number?
- 1568401255. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William D. Welsh works
Medicare's Facility Affiliation Data lists William D. Welsh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · CCN 050169
Practice locations
Addresses where William D. Welsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 7624 Painter AveWhittier, CA 90602 (562) 945‑9333
Group practices
Medicare enrollment lists William D. Welsh as a member of this group (CMS data updated 2026-10-02).
- Maguire and Welsh Medical Group4 clinicians in the group
Specialties
- Family Practiceprimary
- Geriatric Medicinealso
Other family doctors in Whittier
Clinicians with the same Medicare primary specialty in Whittier, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568401255 |
| 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