Quick answers
- Where does David R. Simon see patients?
- Medicare's clinician data lists 8 practice locations, including Anaheim, CA, Fountain Valley, CA and Westminster, CA. Call before your visit to confirm the address.
- What is David R. Simon's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does David R. Simon accept Medicare assignment?
- Yes. Medicare's clinician data says David R. Simon 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 David R. Simon?
- (714) 826-1200, as listed in official Medicare / NPI Registry data.
- What is David R. Simon's NPI number?
- 1922089135. 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 David R. Simon is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 100 S Anaheim Blvd, Suite 101Anaheim, CA 92805 (714) 826‑1200
- 11420 Warner AveFountain Valley, CA 92708 (714) 549‑1300
- 15464 Goldenwest StWestminster, CA 92683 (714) 891‑9008
- 18111 Brookhurst St, Suite 6100Fountain Valley, CA 92708 (714) 378‑7330
- 2110 N Bellflower BlvdLong Beach, CA 90815 (562) 346‑2222
Group practices
Medicare enrollment lists David R. Simon as a member of this group (CMS data updated 2026-10-02).
- Memorialcare Medical Foundation566 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922089135 |
| 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