Quick answers
- Where does Jeffrey S. Marsh see patients?
- Medicare's clinician data lists 2 practice locations, including Sylmar, CA and Panorama City, CA. Call before your visit to confirm the address.
- What is Jeffrey S. Marsh's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Jeffrey S. Marsh accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey S. 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.
- Does Jeffrey S. Marsh offer telehealth?
- Medicare's clinician data says Jeffrey S. Marsh offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey S. Marsh?
- (877) 608-0044, as listed in official Medicare / NPI Registry data.
- What is Jeffrey S. Marsh's NPI number?
- 1679666283. 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 Jeffrey S. Marsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 12669 Encinitas AveSylmar, CA 91342 (877) 608‑0044
- 13652 Cantara StPanorama City, CA 91402 (818) 375‑2000
Group practices
Medicare enrollment lists Jeffrey S. Marsh as a member of this group (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Sylmar
Clinicians with the same Medicare primary specialty in Sylmar, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679666283 |
| 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