NPPES file of Aug 9, 2026

Thomas J. Waliser, M.D.

Obstetrics & Gynecology Physician · Phoenix, AZ

Thomas J. Waliser, M.D. is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1639190572, issued on Jul 23, 2006. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639190572
Name
Thomas J. Waliser
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
39552 CO
Self-reported in NPPES; status is on the state search
Practice location
1008 E Mcdowell RD Ste A, Phoenix, AZ 85006
Phone
(602) 358-8588
Enumerated
Jul 23, 2006
Record last updated
Dec 18, 2023
Fax
(602) 688-6991
Medicaid ID
18335535 CO
Medicare enrollment
Enrolled (PECOS I20080911000137); accepts Medicare assignment
Medical or professional school
University Of North Dakota School Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →

Also registered at 1008 E Mcdowell RD Ste A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mikayla Andrea, FNP-CPrimary Care Nurse Practitioner1346971629
  2. Maria Babb, DNP, WHNP-BCObstetrics & Gynecology Nurse Practitioner1700386299
  3. Amy BinegarWomen's Health Nurse Practitioner1750968954
  4. Nikkeya Boyd, NURSE PRACTITIONERFamily Nurse Practitioner1831662469
  5. Erin FerrigniGynecology Physician1386104800
  6. Nisha GargGynecology Physician1164876256

Verify Thomas J. Waliser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

344 Medicare Part D claims for 104 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 19 claims were for opioids.

  1. Thomas Waliser344
  2. Specialty average165

Most prescribed

  1. Estradiol80 claims
  2. Progesterone62 claims
  3. Estradiol (Twice Weekly)39 claims
  4. Testosterone Cypionate16 claims
  5. Ibuprofen13 claims
  6. Ondansetron Odt13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $177.28

5 payments; by number, the most common kind was food and beverage; the largest payer was Olympus America Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Waliser$177.28
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Kelly H Roy MD PCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas J. Waliser among 803 obstetrics & gynecology physician records in Arizona

Thomas J. Waliser, M.D. is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1997 · median 2005 among the 477 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

All 803 in Arizona → Every provider in Phoenix → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Farshad Agahi, M.D.Phoenix, AZ 850061386886430
  2. Cara Christ, MDPhoenix, AZ 850061639369036
  3. Johnny Erkins, M.D.Phoenix, AZ 850061467593533
  4. Michael Hervey, M.D.Phoenix, AZ 850061922132414
  5. Paul Isaacson, M.D.Phoenix, AZ 850061659441202
  6. Heather Lesmes, MDPhoenix, AZ 850061881913945
  7. Monte Merrell, M.D.Phoenix, AZ 850061295900165
  8. Robert Rierson, MDPhoenix, AZ 850061053373100

Common questions

What is Thomas J. Waliser, M.D.'s NPI number?

Thomas J. Waliser, M.D.'s National Provider Identifier (NPI) is 1639190572, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas J. Waliser, M.D. located?

The NPPES record lists a practice address at 1008 E Mcdowell RD Ste A, Phoenix, AZ, 85006. Phone: (602) 358-8588. Providers update this record themselves, so call before visiting.

How can I verify Thomas J. Waliser, M.D.'s license?

Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas J. Waliser, M.D. prescribe under Medicare Part D?

In 2024, Thomas J. Waliser, M.D. had 344 Medicare Part D claims for 104 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.