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Surgical Oncology

Roi Weiser, MD

Sees patients in Houston, TX · Texas

Summary

Roi Weiser, MD (Surgical Oncology) is enrolled with Medicare at 1 practice location in Houston, TX. NPI 1255950051. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(713) 792‑2121 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Roi Weiser, 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

1Practice location
Surgical OncologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
MaleGender (as listed)
Physicians Referral ServiceGroup practice

Quick answers

Where does Roi Weiser see patients?
Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
What is Roi Weiser's specialty?
Medicare lists Surgical Oncology as the primary specialty.
Does Roi Weiser accept Medicare assignment?
Yes. Medicare's clinician data says Roi Weiser 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 Roi Weiser?
(713) 792-2121, as listed in official Medicare / NPI Registry data.
What is Roi Weiser's NPI number?
1255950051. 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 Roi Weiser is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Surgical Oncology doctors in Texas →

Other surgical oncologists in Houston

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

All surgical oncologists in Houston →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255950051
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