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Internal Medicine

An Thien Tang, MD

Sees patients in Houston, TX · Port Arthur, TX · Texas

Summary

An Thien Tang, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Houston, TX and Port Arthur, TX. NPI 1841357589. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about An Thien Tang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Baylor College Of MedicineMedical school
MaleGender (as listed)
Centerwell Senior Primary Care TX PAGroup practice

Quick answers

Where does An Thien Tang see patients?
Medicare's clinician data lists 2 practice locations, including Houston, TX and Port Arthur, TX. Call before your visit to confirm the address.
What is An Thien Tang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does An Thien Tang accept Medicare assignment?
Yes. Medicare's clinician data says An Thien Tang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for An Thien Tang?
(281) 846-7209, as listed in official Medicare / NPI Registry data.
What is An Thien Tang's NPI number?
1841357589. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where An Thien Tang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists An Thien Tang as a member of this group (CMS data updated 2026-10-02).

  • Centerwell Senior Primary Care TX PA115 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All internal medicine doctors in Houston →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841357589
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians