NPPES file of Aug 9, 2026

Derek Brian Lauritzen, M.D.

Retina Specialist (Ophthalmology) Physician · San Luis Obispo, CA

Derek Brian Lauritzen, M.D. is a retina specialist (ophthalmology) physician with a practice address in San Luis Obispo, California, and NPI 1841348166, issued on Jan 5, 2007. Check the license (California G77319, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841348166
Name
Derek Brian Lauritzen
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
G77319 CA
Self-reported in NPPES; status is on the state search
Practice location
941 California Blvd, San Luis Obispo, CA 93401
Phone
(805) 434-2350
Enumerated
Jan 5, 2007
Record last updated
Mar 24, 2025
Fax
(805) 434-9888
Medicaid ID
00G773190 CA
Medicare enrollment
Enrolled (PECOS I20040429000885); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Derek Brian Lauritzen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G77319
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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41% more Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

877 Medicare Part D claims for 171 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Derek Lauritzen877
  2. Specialty average620

Most prescribed

  1. Ketorolac Tromethamine226 claims
  2. Brimonidine Tartrate116 claims
  3. Latanoprost77 claims
  4. Prednisolone Acetate75 claims
  5. Neomycin-Polymyxin-Dexameth68 claims
  6. Timolol Maleate60 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $113.83

4 payments; by number, the most common kind was food and beverage; the largest payer was Nova Eye, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Derek Lauritzen$113.83
  2. Specialty average$7,667.49

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Derek Brian Lauritzen among 205 retina specialist (ophthalmology) physician records in California

Derek Brian Lauritzen, M.D. is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 57% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated1992 · median 2007 among the 189 with a school on file
  • Record last updated2025 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in California

There are 205 retina specialist (ophthalmology) physician records in California.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Ragui Sedeek, M.D.Santa Maria, CA 934541306993571
  2. Anuj Chawla, MDBakersfield, CA 933111083841027
  3. Luke Bianco, M.D.Visalia, CA 932911538107248
  4. Pratik Patel, MDLancaster, CA 935341629651575
  5. Robert Avery, M.D.Santa Barbara, CA 931031700985496
  6. Alessandro Castellarin, M.D.Santa Barbara, CA 931031689773244
  7. Stephen Couvillion, MDSanta Barbara, CA 931031316980014
  8. Dilsher Dhoot, M.D.Santa Barbara, CA 931031508070566

Common questions

What is Derek Brian Lauritzen, M.D.'s NPI number?

Derek Brian Lauritzen, M.D.'s National Provider Identifier (NPI) is 1841348166, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Derek Brian Lauritzen, M.D. located?

The NPPES record lists a practice address at 941 California Blvd, San Luis Obispo, CA, 93401. Phone: (805) 434-2350. Providers update this record themselves, so call before visiting.

How can I verify Derek Brian Lauritzen, M.D.'s license?

NPPES lists California license number G77319, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Derek Brian Lauritzen, M.D. prescribe under Medicare Part D?

In 2024, Derek Brian Lauritzen, M.D. had 877 Medicare Part D claims for 171 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Derek Brian Lauritzen, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.