Quick answers
- Which hospitals does Robert C. Walker work at?
- Medicare's official clinician data lists Robert C. Walker at 2 hospitals: Grossmont Hospital and Sharp Chula Vista Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert C. Walker see patients?
- Medicare's clinician data lists 8 practice locations, including Newport Beach, CA, Lake Forest, CA and Rancho Santa Margarita, CA. Call before your visit to confirm the address.
- What is Robert C. Walker's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Robert C. Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Robert C. Walker 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 Robert C. Walker offer telehealth?
- Medicare's clinician data says Robert C. Walker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Robert C. Walker?
- (877) 693-6266, as listed in official Medicare / NPI Registry data.
- What is Robert C. Walker's NPI number?
- 1093867970. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert C. Walker works
Medicare's Facility Affiliation Data lists Robert C. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · CCN 050026
- Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · CCN 050222
Practice locations
Addresses where Robert C. Walker is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 2075 San Joaquin Hills RdNewport Beach, CA 92660 (877) 693‑6266
- 21770 Lake Forest Dr, Suite 109Lake Forest, CA 92630 (877) 693‑6266
- 22461 Antonio Pkwy, Suite A135Rancho Santa Margarita, CA 92688 (949) 760‑9222
- 26831 Aliso Creek Rd, Suite 200Aliso Viejo, CA 92656 (949) 760‑9222
- 4085 Governor DrSan Diego, CA 92122 (949) 760‑9222
Group practices
Medicare enrollment lists Robert C. Walker as a member of this group (CMS data updated 2026-10-02).
- Marque Medical Clinic, Inc.19 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093867970 |
| 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