Quick answers
- Which hospitals does Richard A. Williams work at?
- Medicare's official clinician data lists Richard A. Williams at 2 hospitals: Emanate Health Inter-Community Hospital and Pomona Valley Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard A. Williams see patients?
- Medicare's clinician data lists 2 practice locations, including San Dimas, CA and Glendora, CA. Call before your visit to confirm the address.
- What is Richard A. Williams's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Richard A. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Richard A. Williams 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 Richard A. Williams offer telehealth?
- Medicare's clinician data says Richard A. Williams offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Richard A. Williams?
- (909) 599-8677, as listed in official Medicare / NPI Registry data.
- What is Richard A. Williams's NPI number?
- 1467457390. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard A. Williams works
Medicare's Facility Affiliation Data lists Richard A. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emanate Health Inter-Community HospitalCovina, CA · Acute Care Hospital · CCN 050382
- Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · CCN 050231
Practice locations
Addresses where Richard A. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1334 W Covina Blvd, Suite 102San Dimas, CA 91773
- 315 E Route 66, Suite 201Glendora, CA 91740 (909) 599‑8677
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1467457390 |
| 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