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Ophthalmology

Derek S. Welsbie, MD

Works at hospitals in San Diego, CA · California

Summary

Derek S. Welsbie, MD (Ophthalmology) is listed by Medicare at 1 hospital in San Diego, CA. NPI 1588869945. 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 Derek S. Welsbie, 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
20Years since medical school (graduated 2006)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Derek S. Welsbie work at?
Medicare's official clinician data lists Derek S. Welsbie at 1 hospital: UC San Diego Health Hillcrest - Hillcrest Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Derek S. Welsbie see patients?
Medicare's clinician data lists 1 practice location in La Jolla, CA. Call before your visit to confirm the address.
What is Derek S. Welsbie's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Derek S. Welsbie accept Medicare assignment?
Yes. Medicare's clinician data says Derek S. Welsbie 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 Derek S. Welsbie?
(858) 249-6753, as listed in official Medicare / NPI Registry data.
What is Derek S. Welsbie's NPI number?
1588869945. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Derek S. Welsbie works

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

Group practices

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

  • Regents of the University of California2,089 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 California, Geffen School Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588869945
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