Quick answers
- Where does Ralph P. Lissaur see patients?
- Medicare's clinician data lists 1 practice location in San Bernardino, CA. Call before your visit to confirm the address.
- What is Ralph P. Lissaur's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Ralph P. Lissaur accept Medicare assignment?
- Yes. Medicare's clinician data says Ralph P. Lissaur 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.
- Does Ralph P. Lissaur offer telehealth?
- Medicare's clinician data says Ralph P. Lissaur offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ralph P. Lissaur?
- (909) 966-5500, as listed in official Medicare / NPI Registry data.
- What is Ralph P. Lissaur's NPI number?
- 1245287960. 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 Ralph P. Lissaur is enrolled with Medicare (CMS data updated 2026-10-02).
- 2131 Elks Dr, Suite 104San Bernardino, CA 92404 (909) 966‑5500
Group practices
Medicare enrollment lists Ralph P. Lissaur as a member of this group (CMS data updated 2026-10-02).
- David Desai MD Inc9 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in San Bernardino
Clinicians with the same Medicare primary specialty in San Bernardino, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245287960 |
| 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