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Ophthalmology

Francis S. Mah, MD

Works at hospitals in La Jolla, CA · California

Summary

Francis S. Mah, MD (Ophthalmology) is listed by Medicare at 1 hospital in La Jolla, CA. NPI 1528032620. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Francis S. Mah, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
University Of Toledo College Of MedicineMedical school
MaleGender (as listed)
Scripps HealthGroup practice

Quick answers

Which hospitals does Francis S. Mah work at?
Medicare's official clinician data lists Francis S. Mah at 1 hospital: Scripps Memorial Hospital La Jolla. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Francis S. Mah see patients?
Medicare's clinician data lists 7 practice locations, including La Jolla, CA, Oceanside, CA and Encinitas, CA. Call before your visit to confirm the address.
What is Francis S. Mah's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Francis S. Mah accept Medicare assignment?
Yes. Medicare's clinician data says Francis S. Mah 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 Francis S. Mah?
(858) 554-9100, as listed in official Medicare / NPI Registry data.
What is Francis S. Mah's NPI number?
1528032620. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Francis S. Mah works

Medicare's Facility Affiliation Data lists Francis S. Mah at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Francis S. Mah is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Francis S. Mah as a member of this group (CMS data updated 2026-10-02).

  • Scripps Health1,433 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in La Jolla

Clinicians with the same Medicare primary specialty in La Jolla, CA — not a recommendation.

All ophthalmologists in La Jolla →

Clinician information

CredentialMD
Medical schoolUniversity Of Toledo College Of Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528032620
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians