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

Obstetrics/Gynecology

Thomas J. Waliser, MD

Works at hospitals in Scottsdale, AZ · Arizona

Summary

Thomas J. Waliser, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Scottsdale, AZ. NPI 1639190572. 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 Thomas J. Waliser, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
29Years since medical school (graduated 1997)
University Of North Dakota School Of MedicineMedical school
MaleGender (as listed)
Kelly H Roy MD PCGroup practice

Quick answers

Which hospitals does Thomas J. Waliser work at?
Medicare's official clinician data lists Thomas J. Waliser at 1 hospital: HonorHealth Scottsdale Shea Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas J. Waliser see patients?
Medicare's clinician data lists 2 practice locations, including Phoenix, AZ. Call before your visit to confirm the address.
What is Thomas J. Waliser's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Thomas J. Waliser accept Medicare assignment?
Yes. Medicare's clinician data says Thomas J. Waliser 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 Thomas J. Waliser offer telehealth?
Medicare's clinician data says Thomas J. Waliser offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thomas J. Waliser?
(602) 358-8588, as listed in official Medicare / NPI Registry data.
What is Thomas J. Waliser's NPI number?
1639190572. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas J. Waliser works

Medicare's Facility Affiliation Data lists Thomas J. Waliser 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 Thomas J. Waliser is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas J. Waliser as a member of this group (CMS data updated 2026-10-02).

  • Kelly H Roy MD PC30 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Arizona →

Other OB-GYNs in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

All OB-GYNs in Phoenix →

Clinician information

CredentialMD
Medical schoolUniversity Of North Dakota School Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639190572
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