NPPES file of Aug 9, 2026

Chung-Jyi Tsai, MD

Gastroenterology Physician · Loma Linda, CA

Chung-Jyi Tsai, MD is a gastroenterology physician with a practice address in Loma Linda, California, and NPI 1871507343, issued on Jul 28, 2006. Check the license (California C150072, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871507343
Name
Chung-Jyi Tsai
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
C150072 CA
095719 OH
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, Loma Linda, CA 92350
Phone
(909) 558-4905
Enumerated
Jul 28, 2006
Record last updated
Feb 4, 2026
Medicare enrollment
Enrolled (PECOS I20260204004482); accepts Medicare assignment
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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Also registered at 11234 Anderson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nour Abdel-Azim, MDStudent in an Organized Health Care Education/Training Program1700671542
  2. Mostafa Abdulrahim, MDStudent in an Organized Health Care Education/Training Program1285579094
  3. Andranig AdjemianStudent in an Organized Health Care Education/Training Program1366236689
  4. Ira AdvaniStudent in an Organized Health Care Education/Training Program1770425449
  5. Hina Ahmed, FNPFamily Nurse Practitioner1689484958
  6. Saba Ahmed, MDStudent in an Organized Health Care Education/Training Program1114863172

Verify Chung-Jyi Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C150072
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chung-Jyi Tsai among 2,140 gastroenterology physician records in California

Chung-Jyi Tsai, 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1984 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Rita Auro, MDLoma Linda, CA 923501508443938
  2. Keisha Baldeosingh, MDLoma Linda, CA 923501689994329
  3. Matthew Oman, M.D.Loma Linda, CA 923501548461155
  4. Jun Song, MDLoma Linda, CA 923501427674407
  5. Bing ZhangLoma Linda, CA 923501245627454
  6. Andrew Chang, M.D.Loma Linda, CA 923541396702874
  7. David Condon, M.D.Loma Linda, CA 923541790898799
  8. Mahnaz Farahmand, M.D.Loma Linda, CA 923541063454841

Common questions

What is Chung-Jyi Tsai, MD's NPI number?

Chung-Jyi Tsai, MD's National Provider Identifier (NPI) is 1871507343, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chung-Jyi Tsai, MD located?

The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92350. Phone: (909) 558-4905. Providers update this record themselves, so call before visiting.

How can I verify Chung-Jyi Tsai, MD's license?

NPPES lists California license number C150072, 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.