Quick answers
- Where does Diane Dumas see patients?
- Medicare's clinician data lists 2 practice locations, including El Cajon, CA and Concord, CA. Call before your visit to confirm the address.
- What is Diane Dumas's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Diane Dumas accept Medicare assignment?
- Yes. Medicare's clinician data says Diane Dumas 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 Diane Dumas?
- (619) 441-1988, as listed in official Medicare / NPI Registry data.
- What is Diane Dumas's NPI number?
- 1013036599. 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 Diane Dumas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 S Orange AveEl Cajon, CA 92020 (619) 441‑1988
- 1800 Adobe StConcord, CA 94520 (925) 825‑1300
Group practices
Medicare enrollment lists Diane Dumas as a member of this group (CMS data updated 2026-10-02).
- Access Psychology Services PC20 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in El Cajon
Clinicians with the same Medicare primary specialty in El Cajon, CA — not a recommendation.
Clinician information
| Graduation year | 2002 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013036599 |
| 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