Thomas Jan Konturek, M.D.
Gastroenterology Physician · Anaheim, CA
Thomas Jan Konturek, M.D. is a gastroenterology physician with a practice address in Anaheim, California, and NPI 1942651096, issued on Jun 29, 2016. Check the license (California A161554, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Jan Konturek
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A161554 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 S Anaheim Blvd Ste 250, Anaheim, CA 92805
- Phone
- (714) 527-6000
- Enumerated
- Jun 29, 2016
- Record last updated
- Jul 22, 2026
- Fax
- (714) 527-2371
- Medicare enrollment
- Enrolled (PECOS I20220712002222); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 100 S Anaheim Blvd Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joane Alonso, PAPhysician Assistant1841054103
- Amit Bhanvadia, M.D.Gastroenterology Physician1861751083
- Diane Kim, PA-CPhysician Assistant1952066706
- Aimee Jaquelyn Perez, PA-CPhysician Assistant1801324892
- Erica St Lawrence, MDGastroenterology Physician1922662998
- Yume Tateo, PA-CPhysician Assistant1346949765
Verify Thomas Jan Konturek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A161554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $159.00
7 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Bills Medicare through one group practice
- OC GastrocareAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Jan Konturek among 2,140 gastroenterology physician records in California
Thomas Jan Konturek, M.D. 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 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2014 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 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 Anaheim → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Amit Bhanvadia, M.D.Anaheim, CA 928051861751083
- Erica St Lawrence, MDAnaheim, CA 928051922662998
- Jason Yip, M.D.Anaheim, CA 928051487862066
- Ashokkumar Amin, MDAnaheim, CA 928041831293109
- Michael Kim, M.D.Anaheim, CA 928041821229972
- Bijal Surti, M.D.Anaheim, CA 928061780841882
- Derek Tang, M.D.Anaheim, CA 928061487966727
- Kenneth Yamashiro, MDAnaheim, CA 928041669584934
Common questions
What is Thomas Jan Konturek, M.D.'s NPI number?
Thomas Jan Konturek, M.D.'s National Provider Identifier (NPI) is 1942651096, issued on Jun 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Jan Konturek, M.D. located?
The NPPES record lists a practice address at 100 S Anaheim Blvd Ste 250, Anaheim, CA, 92805. Phone: (714) 527-6000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Jan Konturek, M.D.'s license?
NPPES lists California license number A161554, 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.
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.