Quick answers
- Where does Muhammad Umer see patients?
- Medicare's clinician data lists 12 practice locations, including La Habra, CA, Diamond Bar, CA and Chino Hills, CA. Call before your visit to confirm the address.
- What is Muhammad Umer's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Muhammad Umer accept Medicare assignment?
- Yes. Medicare's clinician data says Muhammad Umer 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 Muhammad Umer?
- (714) 879-3400, as listed in official Medicare / NPI Registry data.
- What is Muhammad Umer's NPI number?
- 1154632636. 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 Muhammad Umer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 12; the Medicare profile lists all.
- 1400 S Harbor BlvdLa Habra, CA 90631 (714) 879‑3400
- 1514 Valley Vista DrDiamond Bar, CA 91765 (909) 860‑1144
- 15855 Pomona Rincon Rd, Bldg 4Chino Hills, CA 91709 (909) 929‑2511
- 19333 Bear Valley RdApple Valley, CA 92308
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
Group practices
Medicare enrollment lists Muhammad Umer as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- PIH Health Physicians622 clinicians in the group
- Neighborhood Healthcare150 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in La Habra
Clinicians with the same Medicare primary specialty in La Habra, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154632636 |
| 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