NPPES file of Aug 9, 2026

Khoi M. Tran, MD

Gastroenterology Physician · Costa Mesa, CA

Khoi M. Tran, MD is a gastroenterology physician with a practice address in Costa Mesa, California, and NPI 1821076316, issued on Jan 4, 2006. Check the license (California A54763, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821076316
Name
Khoi M. Tran
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
A54763 CA
MD22244 OR
Self-reported in NPPES; status is on the state search
Practice location
1640 Newport Blvd, Costa Mesa, CA 92627
Phone
(949) 386-5260
Enumerated
Jan 4, 2006
Record last updated
Mar 21, 2025
Fax
(949) 515-0031
Medicaid ID
288183 OR
Medicare enrollment
Enrolled (PECOS I20151019002418); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1990
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.
Download card Updates feed

Also registered at 1640 Newport Blvd

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

  1. Jason Anderson, PTPhysical Therapist1639319924
  2. Scott Carlton, DCChiropractor1134628704
  3. Freddie Combs, M.D.Diagnostic Radiology Physician1215130976
  4. Swati Gandhi, MDPediatrics Physician1437152998
  5. Michael Krychman, MDObstetrics & Gynecology Physician1982689725
  6. Shawna Le, MDInternal Medicine Physician1265061451

Verify Khoi M. Tran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A54763
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average gastroenterology physician in 2024

53 Medicare Part D claims for 16 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Khoi Tran53
  2. Specialty average811

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: $124.56

1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, 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.

  1. Khoi Tran$124.56
  2. Specialty average$5,015.95

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

Bills Medicare through 2 group practices

  1. City OF Hope Medical FoundationIrvine, CA
  2. Good Samaritan Hospital CorvallisCorvallis, OR

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

Khoi M. Tran among 2,140 gastroenterology physician records in California

Khoi M. Tran, 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
  • Graduated1990 · median 2002 among the 1,538 with a school on file
  • Record last updated2025 · 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. Mannat Saini, MDCosta Mesa, CA 926271063918431
  2. Ashkan Farhadi, M.D.Costa Mesa, CA 926261760423123
  3. Omeed Alipour, M.D.Irvine, CA 926181841731080
  4. Heba Ashraf, MDIrvine, CA 926181720492267
  5. Ardalan Babaknia, MDIrvine, CA 926181366527491
  6. Shahrooz BemanianIrvine, CA 926181629123070
  7. David Choi, D.O.Irvine, CA 926181922490044
  8. You-Jen Chou, MDIrvine, CA 926181104070887

Common questions

What is Khoi M. Tran, MD's NPI number?

Khoi M. Tran, MD's National Provider Identifier (NPI) is 1821076316, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Khoi M. Tran, MD located?

The NPPES record lists a practice address at 1640 Newport Blvd, Costa Mesa, CA, 92627. Phone: (949) 386-5260. Providers update this record themselves, so call before visiting.

How can I verify Khoi M. Tran, MD's license?

NPPES lists California license number A54763, 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 Khoi M. Tran, MD prescribe under Medicare Part D?

In 2024, Khoi M. Tran, MD had 53 Medicare Part D claims for 16 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.