Quick answers
- Which hospitals does John Shan work at?
- Medicare's official clinician data lists John Shan at 1 hospital: Los Angeles General Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Shan see patients?
- Medicare's clinician data lists 3 practice locations, including Mission Hills, CA and Panorama City, CA. Call before your visit to confirm the address.
- What is John Shan's specialty?
- Medicare lists Optometry as the primary specialty.
- Does John Shan accept Medicare assignment?
- Yes. Medicare's clinician data says John Shan 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 John Shan?
- (833) 574-2273, as listed in official Medicare / NPI Registry data.
- What is John Shan's NPI number?
- 1184823221. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Shan works
Medicare's Facility Affiliation Data lists John Shan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Los Angeles General Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050373
Practice locations
Addresses where John Shan is enrolled with Medicare (CMS data updated 2026-10-02).
- 10310 Sepulveda BlvdMission Hills, CA 91345 (833) 574‑2273
- 13652 Cantara StPanorama City, CA 91402 (818) 375‑2000
- 8250 Woodman AvePanorama City, CA 91402 (818) 375‑2000
Group practices
Medicare enrollment lists John Shan as a member of this group (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Mission Hills
Clinicians with the same Medicare primary specialty in Mission Hills, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184823221 |
| 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