Quick answers
- Where does Alva A. Marsh see patients?
- Medicare's clinician data lists 2 practice locations, including Newhall, CA and Van Nuys, CA. Call before your visit to confirm the address.
- What is Alva A. Marsh's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Alva A. Marsh accept Medicare assignment?
- Yes. Medicare's clinician data says Alva A. Marsh 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 Alva A. Marsh?
- (747) 221-3443, as listed in official Medicare / NPI Registry data.
- What is Alva A. Marsh's NPI number?
- 1619036621. 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 Alva A. Marsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 23928 Lyons Ave, Suite 101Newhall, CA 91321 (747) 221‑3443
- 6819 Sepulveda Blvd, Suite 101Van Nuys, CA 91405 (747) 363‑8530
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 1959 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619036621 |
| 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