Quick answers
- Which hospitals does Maria Jan work at?
- Medicare's official clinician data lists Maria Jan at 3 hospitals: Adventist Health Simi Valley, Northridge Hospital Medical Center and UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria Jan see patients?
- Medicare's clinician data lists 2 practice locations, including Carson, CA and Agoura Hills, CA. Call before your visit to confirm the address.
- What is Maria Jan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Maria Jan accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Jan 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 Maria Jan offer telehealth?
- Medicare's clinician data says Maria Jan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Maria Jan?
- (310) 835-6627, as listed in official Medicare / NPI Registry data.
- What is Maria Jan's NPI number?
- 1306136718. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria Jan works
Medicare's Facility Affiliation Data lists Maria Jan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · CCN 050236
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · CCN 050116
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · CCN 050481
Practice locations
Addresses where Maria Jan is enrolled with Medicare (CMS data updated 2026-10-02).
- 21501 Avalon Blvd, Suite 100Carson, CA 90745 (310) 835‑6627
- 29525 Canwood St, Suite 300Agoura Hills, CA 91301 (818) 706‑2477
Group practices
Medicare enrollment lists Maria Jan as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Institute288 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Carson
Clinicians with the same Medicare primary specialty in Carson, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306136718 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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