Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

Jachi Sun, MD

Works at hospitals in Katy, TX · Houston, TX · Texas

Summary

Jachi Sun, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Katy, TX and Houston, TX. NPI 1124175005. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jachi Sun, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
22Years since medical school (graduated 2004)
Medical University Of South Carolina College Of MedicineMedical school
MaleGender (as listed)
Texas Digestive Disease Consultants, PLLCGroup practice

Quick answers

Which hospitals does Jachi Sun work at?
Medicare's official clinician data lists Jachi Sun at 2 hospitals: Memorial Hermann Katy Hospital and Memorial Hermann Memorial City Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jachi Sun see patients?
Medicare's clinician data lists 4 practice locations, including Houston, TX and Dallas, TX. Call before your visit to confirm the address.
What is Jachi Sun's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Jachi Sun accept Medicare assignment?
Yes. Medicare's clinician data says Jachi Sun 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.
Does Jachi Sun offer telehealth?
Medicare's clinician data says Jachi Sun offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jachi Sun?
(281) 897-8866, as listed in official Medicare / NPI Registry data.
What is Jachi Sun's NPI number?
1124175005. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jachi Sun works

Medicare's Facility Affiliation Data lists Jachi Sun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jachi Sun is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jachi Sun as a member of this group (CMS data updated 2026-10-02).

  • Texas Digestive Disease Consultants, PLLC608 clinicians in the group

Specialties

Find other Gastroenterology doctors in Texas →

Other gastroenterologists in Houston

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

All gastroenterologists in Houston →

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124175005
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians