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Ophthalmology

Derek B. Lauritzen, MD

Sees patients in San Luis Obispo, CA · California

Summary

Derek B. Lauritzen, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in San Luis Obispo, CA. NPI 1841348166. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Derek B. Lauritzen, 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
34Years since medical school (graduated 1992)
Tufts University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Derek B. Lauritzen see patients?
Medicare's clinician data lists 1 practice location in San Luis Obispo, CA. Call before your visit to confirm the address.
What is Derek B. Lauritzen's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Derek B. Lauritzen accept Medicare assignment?
Yes. Medicare's clinician data says Derek B. Lauritzen 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 B. Lauritzen?
(805) 544-0006, as listed in official Medicare / NPI Registry data.
What is Derek B. Lauritzen's NPI number?
1841348166. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Derek B. Lauritzen is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in San Luis Obispo

Clinicians with the same Medicare primary specialty in San Luis Obispo, CA — not a recommendation.

All ophthalmologists in San Luis Obispo →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841348166
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians