Quick answers
- Which hospitals does Ryan H. Phan work at?
- Medicare's official clinician data lists Ryan H. Phan at 1 hospital: Kaiser Foundation Hospital - San Diego. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan H. Phan see patients?
- Medicare's clinician data lists 3 practice locations, including Escondido, CA and San Diego, CA. Call before your visit to confirm the address.
- What is Ryan H. Phan's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Ryan H. Phan accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan H. Phan 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 Ryan H. Phan?
- (760) 738-9985, as listed in official Medicare / NPI Registry data.
- What is Ryan H. Phan's NPI number?
- 1588027213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan H. Phan works
Medicare's Facility Affiliation Data lists Ryan H. Phan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - San DiegoSan Diego, CA · Acute Care Hospital · CCN 050515
Practice locations
Addresses where Ryan H. Phan is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 E 2nd Ave, Suite 310Escondido, CA 92025 (760) 738‑9985
- 4647 Zion AveSan Diego, CA 92120 (619) 528‑5000
- 4650 Palm AveSan Diego, CA 92154 (619) 528‑5000
Group practices
Medicare enrollment lists Ryan H. Phan as a member of these groups (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
- North County Eye Center, Inc.10 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Escondido
Clinicians with the same Medicare primary specialty in Escondido, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588027213 |
| 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