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Ophthalmology

Diana Lee, MD

Works at hospitals in Fullerton, CA · California

Summary

Diana Lee, MD (Ophthalmology) is listed by Medicare at 1 hospital in Fullerton, CA. NPI 1043665433. 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 Diana Lee, 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
11Years since medical school (graduated 2015)
Georgetown University School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Which hospitals does Diana Lee work at?
Medicare's official clinician data lists Diana Lee at 1 hospital: Providence St. Jude Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Diana Lee see patients?
Medicare's clinician data lists 1 practice location in Fullerton, CA. Call before your visit to confirm the address.
What is Diana Lee's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Diana Lee accept Medicare assignment?
Yes. Medicare's clinician data says Diana Lee 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 Diana Lee?
(657) 286-5375, as listed in official Medicare / NPI Registry data.
What is Diana Lee's NPI number?
1043665433. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Diana Lee works

Medicare's Facility Affiliation Data lists Diana Lee 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 Diana Lee is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Fullerton

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

All ophthalmologists in Fullerton →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043665433
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