Olivia Catherine Lanser, MD
Gastroenterology Physician · La Jolla, CA
Olivia Catherine Lanser, MD is a gastroenterology physician with a practice address in La Jolla, California, and NPI 1902427214, issued on Apr 28, 2020. Check the license (California A185945, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Olivia Catherine Lanser
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A185945 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10666 N Torrey Pines RD, La Jolla, CA 92037
- Phone
- (858) 554-3200
- Enumerated
- Apr 28, 2020
- Record last updated
- Jun 12, 2023
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 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.
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- Dylan Adamson, M.D.Transplant Surgery Physician1598030702
Verify Olivia Catherine Lanser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average gastroenterology physician in 2024
47 Medicare Part D claims for 28 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of 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.
Industry payments in 2024: $1,803.48
62 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Olivia Catherine Lanser among 2,140 gastroenterology physician records in California
Olivia Catherine Lanser, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 98% of them.
- NPI issued2020 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in La Jolla → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Walter Coyle, M.D.La Jolla, CA 920371609847482
- Parviz Foroozan, M.D.La Jolla, CA 920371619943016
- Catherine Frenette, M.D.La Jolla, CA 920371417935081
- Mary Krinsky, D.O.La Jolla, CA 920371588765085
- John Kuldau, M.D.La Jolla, CA 920371568442697
- Jill Lane, MDLa Jolla, CA 920371083602338
- Frank Mayer, M.D.La Jolla, CA 920371598760589
- Andrew Mayer, MDLa Jolla, CA 920371215949201
Common questions
What is Olivia Catherine Lanser, MD's NPI number?
Olivia Catherine Lanser, MD's National Provider Identifier (NPI) is 1902427214, issued on Apr 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Catherine Lanser, MD located?
The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-3200. Providers update this record themselves, so call before visiting.
How can I verify Olivia Catherine Lanser, MD's license?
NPPES lists California license number A185945, 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 Olivia Catherine Lanser, MD prescribe under Medicare Part D?
In 2024, Olivia Catherine Lanser, MD had 47 Medicare Part D claims for 28 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.