Quick answers
- Where does Robert A. Mecum see patients?
- Medicare's clinician data lists 4 practice locations, including Whittier, CA, San Marino, CA and Torrance, CA. Call before your visit to confirm the address.
- What is Robert A. Mecum's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Robert A. Mecum accept Medicare assignment?
- Yes. Medicare's clinician data says Robert A. Mecum 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 A. Mecum offer telehealth?
- Medicare's clinician data says Robert A. Mecum offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Robert A. Mecum?
- (562) 789-5577, as listed in official Medicare / NPI Registry data.
- What is Robert A. Mecum's NPI number?
- 1114945680. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert A. Mecum is enrolled with Medicare (CMS data updated 2026-10-02).
- 12291 Washington Blvd, Suite 304Whittier, CA 90606 (562) 789‑5577
- 14350 Whittier Blvd, Suite 305Whittier, CA 90605 (626) 524‑8396
- 1605 Euston RdSan Marino, CA 91108
- 21250 Hawthorne Blvd, Suite 600Torrance, CA 90503
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Whittier
Clinicians with the same Medicare primary specialty in Whittier, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114945680 |
| 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
- 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