NPPES file of Aug 9, 2026

Chien-Lin Chen, M.D

Gastroenterology Physician · Arlington, TX

Chien-Lin Chen, M.D is a gastroenterology physician with a practice address in Arlington, Texas, and NPI 1427373646, issued on Mar 31, 2010. Check the license (Texas U9121, as entered in NPPES) on the Texas Medical Board; 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
1427373646
Name
Chien-Lin Chen
Credential
M.D
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
U9121 TX
73960 AZ
MD60629300 WA
Self-reported in NPPES; status is on the state search
Practice location
1001 N Waldrop Dr Ste 612, Arlington, TX 76012
Phone
(817) 960-9138
Enumerated
Mar 31, 2010
Record last updated
Feb 5, 2025
Medicare enrollment
Enrolled (PECOS I20250207003537); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2010
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 1001 N Waldrop Dr Ste 612

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

  1. James McClintic, MDSurgery Physician1619467172

Verify Chien-Lin Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U9121
    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 Texas license search

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89% fewer Medicare Part D claims than the average gastroenterology physician in 2024

91 Medicare Part D claims for 43 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Chien-Lin Chen91
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium21 claims
  2. Omeprazole19 claims
  3. Gavilyte-C18 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

  1. Texas Health Physicians GroupArlington, TX

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

Chien-Lin Chen among 1,478 gastroenterology physician records in Texas

Chien-Lin Chen, M.D is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 68% of them.

  • NPI issued2010 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2010 · median 2003 among the 1,175 with a school on file
  • Record last updated2025 · 53% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Texas

There are 1,478 gastroenterology physician records in Texas.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mohammad Al-Assi, M.D.Arlington, TX 760121578554333
  2. Debdeep Banerjee, MDArlington, TX 760121003347709
  3. Waldo Bracy, M.D.Arlington, TX 760121003807744
  4. Kim Gentry, M.D.Arlington, TX 760121396736187
  5. Reem Ghalib, MDArlington, TX 760121558337782
  6. Menalee Hapuarachchi, MDArlington, TX 760121932606126
  7. Michael Mendelson, M.D.Arlington, TX 760121376545061
  8. Suraj Naik, M.DArlington, TX 760121760563878

Common questions

What is Chien-Lin Chen, M.D's NPI number?

Chien-Lin Chen, M.D's National Provider Identifier (NPI) is 1427373646, issued on Mar 31, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Chien-Lin Chen, M.D located?

The NPPES record lists a practice address at 1001 N Waldrop Dr Ste 612, Arlington, TX, 76012. Phone: (817) 960-9138. Providers update this record themselves, so call before visiting.

How can I verify Chien-Lin Chen, M.D's license?

NPPES lists Texas license number U9121, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chien-Lin Chen, M.D prescribe under Medicare Part D?

In 2024, Chien-Lin Chen, M.D had 91 Medicare Part D claims for 43 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.