Mark Vernon Olcott, MD
Emergency Medicine Physician · La Jolla, CA
Mark Vernon Olcott, MD is an emergency medicine physician with a practice address in La Jolla, California, and NPI 1669474417, issued on Aug 11, 2005. Check the license (California A55234, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Vernon Olcott
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A55234 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10666 N Torrey Pines RD, La Jolla, CA 92037
- Phone
- (858) 554-5100
- Enumerated
- Aug 11, 2005
- Record last updated
- Feb 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050819000878); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1994
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 10666 N Torrey Pines RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terri Abbott, P.A.Physician Assistant1811165566
- Richard Abello, M.D.Diagnostic Radiology Physician1245205996
- Amanda Abrisch, AUDAudiologist1780966903
- Edsel Abud, MD, PHDAllergy & Immunology Physician1891257192
- Christina Adams, MDCardiovascular Disease Physician1023164605
- Dylan Adamson, M.D.Transplant Surgery Physician1598030702
Verify Mark Vernon Olcott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average emergency medicine physician in 2024
197 Medicare Part D claims for 140 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cefuroxime28 claims
- Methylprednisolone18 claims
- Amoxicillin-Clavulanate Potass13 claims
- Doxycycline Hyclate11 claims
- Prednisone11 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.
Bills Medicare through one group practice
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Vernon Olcott among 7,751 emergency medicine physician records in California
Mark Vernon Olcott, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1994 · median 2011 among the 4,560 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 emergency medicine physician records list a practice address in La Jolla
They are 61 of the 3,648 NPPES records with a practice address in La Jolla, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in La Jolla → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- George Baehr, M.D.La Jolla, CA 920371083615512
- Taylor Cardall, M.D.La Jolla, CA 920371770534067
- Megan Demott, MDLa Jolla, CA 920371174507370
- Hung Huynh, M.D.La Jolla, CA 920371548248511
- Agnes Letai, M.D.La Jolla, CA 920371902886088
- Johannes Neuendorf, D.O.La Jolla, CA 920371154388601
- Richard Obler, MDLa Jolla, CA 920371063475507
- Cynthia Purviance, M.D.La Jolla, CA 920371851370555
Common questions
What is Mark Vernon Olcott, MD's NPI number?
Mark Vernon Olcott, MD's National Provider Identifier (NPI) is 1669474417, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Vernon Olcott, MD located?
The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-5100. Providers update this record themselves, so call before visiting.
How can I verify Mark Vernon Olcott, MD's license?
NPPES lists California license number A55234, 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 Mark Vernon Olcott, MD prescribe under Medicare Part D?
In 2024, Mark Vernon Olcott, MD had 197 Medicare Part D claims for 140 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.