Quick answers
- Which hospitals does David Graham work at?
- Medicare's official clinician data lists David Graham at 1 hospital: Paradise Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Graham see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Ana, CA and National City, CA. Call before your visit to confirm the address.
- What is David Graham's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does David Graham accept Medicare assignment?
- Yes. Medicare's clinician data says David Graham 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 Graham?
- (714) 571-4941, as listed in official Medicare / NPI Registry data.
- What is David Graham's NPI number?
- 1639338601. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Graham works
Medicare's Facility Affiliation Data lists David Graham at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Paradise Valley HospitalNational City, CA · Acute Care Hospital · CCN 050024
Practice locations
Addresses where David Graham is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 S BroadwaySanta Ana, CA 92701 (714) 571‑4941
- 305 E 8th StNational City, CA 91950 (619) 477‑0084
Group practices
Medicare enrollment lists David Graham as a member of this group (CMS data updated 2026-10-02).
- Ajay G Meka MD Inc14 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639338601 |
| 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