Quick answers
- Where does Douglas M. Stephenson see patients?
- Medicare's clinician data lists 1 practice location in Winterhaven, CA. Call before your visit to confirm the address.
- What is Douglas M. Stephenson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Douglas M. Stephenson accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas M. Stephenson 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 Douglas M. Stephenson?
- (760) 572-4690, as listed in official Medicare / NPI Registry data.
- What is Douglas M. Stephenson's NPI number?
- 1790769297. 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 Douglas M. Stephenson is enrolled with Medicare (CMS data updated 2026-10-02).
- 401 Picacho RdWinterhaven, CA 92283 (760) 572‑4690
Group practices
Medicare enrollment lists Douglas M. Stephenson as a member of this group (CMS data updated 2026-10-02).
- DHHS PHS IHS Phoenix Area23 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of North Texas Hsc, College Of Osteopathic Med |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790769297 |
| 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