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General Surgery

Tien C. Ko, MD

Sees patients in Houston, TX · Texas

Summary

Tien C. Ko, MD (General Surgery) is enrolled with Medicare at 3 practice locations in Houston, TX. NPI 1649379629. 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 Tien C. Ko, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
MaleGender (as listed)
UT PhysiciansGroup practice

Quick answers

Where does Tien C. Ko see patients?
Medicare's clinician data lists 3 practice locations, including Houston, TX. Call before your visit to confirm the address.
What is Tien C. Ko's specialty?
Medicare lists General Surgery as the primary specialty.
Does Tien C. Ko accept Medicare assignment?
Yes. Medicare's clinician data says Tien C. Ko 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 Tien C. Ko?
(713) 566-5656, as listed in official Medicare / NPI Registry data.
What is Tien C. Ko's NPI number?
1649379629. 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 Tien C. Ko is enrolled with Medicare (CMS data updated 2026-10-02).

  • 5656 Kelley StHouston, TX 77026
  • 5656 Kelley St, Fl 2Houston, TX 77026 (713) 566‑5656
  • 6410 Fannin StHouston, TX 77030

Group practices

Medicare enrollment lists Tien C. Ko as a member of this group (CMS data updated 2026-10-02).

  • UT Physicians1,765 clinicians in the group

Specialties

Find other General Surgery doctors in Texas →

Other general surgeons in Houston

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

All general surgeons in Houston →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649379629
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