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Physical Medicine and Rehabilitation

William W. Janes, MD

Works at hospitals in San Marcos, TX · San Antonio, TX · New Braunfels, TX · Texas

Summary

William W. Janes, MD (Physical Medicine and Rehabilitation) is listed by Medicare at 4 hospitals in San Marcos, TX, San Antonio, TX and New Braunfels, TX. NPI 1720069859. 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 William W. Janes, 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

Physical Medicine and RehabilitationPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
New York Medical CollegeMedical school
MaleGender (as listed)
South Texas PM and R Group, IncGroup practice

Quick answers

Which hospitals does William W. Janes work at?
Medicare's official clinician data lists William W. Janes at 4 hospitals: CHRISTUS Santa Rosa Hospital-San Marcos, Methodist Hospital, Methodist Hospital Stone Oak and Resolute Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
What is William W. Janes's specialty?
Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
Does William W. Janes accept Medicare assignment?
Yes. Medicare's clinician data says William W. Janes 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 William W. Janes's NPI number?
1720069859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William W. Janes works

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

Group practices

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

  • South Texas PM and R Group, Inc2 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in Texas →

Other rehabilitation doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All rehabilitation doctors in Texas →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720069859
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