Quick answers
- Where does Joyce P. Lazarus see patients?
- Medicare's clinician data lists 1 practice location in Norco, CA. Call before your visit to confirm the address.
- What is Joyce P. Lazarus's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
- Does Joyce P. Lazarus accept Medicare assignment?
- Yes. Medicare's clinician data says Joyce P. Lazarus 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 Joyce P. Lazarus offer telehealth?
- Medicare's clinician data says Joyce P. Lazarus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joyce P. Lazarus?
- (951) 737-8141, as listed in official Medicare / NPI Registry data.
- What is Joyce P. Lazarus's NPI number?
- 1831143056. 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 Joyce P. Lazarus is enrolled with Medicare (CMS data updated 2026-10-02).
- 1901 Town and Country Dr, Suite 104Norco, CA 92860 (951) 737‑8141
Group practices
Medicare enrollment lists Joyce P. Lazarus as a member of this group (CMS data updated 2026-10-02).
- Citrus Valley Medical Associates Inc14 clinicians in the group
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831143056 |
| 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