Quick answers
- Where does Dennis W. Wallstrom see patients?
- Medicare's clinician data lists 2 practice locations, including Pomona, CA. Call before your visit to confirm the address.
- What is Dennis W. Wallstrom's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Dennis W. Wallstrom accept Medicare assignment?
- Medicare's clinician data says Dennis W. Wallstrom may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Dennis W. Wallstrom?
- (909) 630-4332, as listed in official Medicare / NPI Registry data.
- What is Dennis W. Wallstrom's NPI number?
- 1932152600. 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 Dennis W. Wallstrom is enrolled with Medicare (CMS data updated 2026-10-02).
- 833 Hillcrest DrPomona, CA 91768 (909) 630‑4332
- 845 Hillcrest DrPomona, CA 91768
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Pomona
Clinicians with the same Medicare primary specialty in Pomona, CA — not a recommendation.
Clinician information
| Graduation year | 1990 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1932152600 |
| 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