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Gastroenterology

William A. Ross, MD

Sees patients in Houston, TX · Texas

Summary

William A. Ross, MD (Gastroenterology) is enrolled with Medicare at 2 practice locations in Houston, TX. NPI 1477635787. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(713) 592‑5433 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about William A. Ross, 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

2Practice locations
GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
44Years since medical school (graduated 1982)
University Of California, Irvine, California College Of MedicineMedical school
MaleGender (as listed)
Physicians Referral ServiceGroup practice

Quick answers

Where does William A. Ross see patients?
Medicare's clinician data lists 2 practice locations, including Houston, TX. Call before your visit to confirm the address.
What is William A. Ross's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does William A. Ross accept Medicare assignment?
Yes. Medicare's clinician data says William A. Ross 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 William A. Ross offer telehealth?
Medicare's clinician data says William A. Ross offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for William A. Ross?
(713) 592-5433, as listed in official Medicare / NPI Registry data.
What is William A. Ross's NPI number?
1477635787. 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 William A. Ross is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1515 Holcombe BlvdHouston, TX 77030
  • 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences PlazaHouston, TX 77030 (713) 592‑5433

Group practices

Medicare enrollment lists William A. Ross as a member of this group (CMS data updated 2026-10-02).

  • Physicians Referral Service2,765 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 schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1477635787
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