NPPES file of Aug 9, 2026

Thomas C. Wald, MD

Internal Medicine Physician · Wausau, WI

Thomas C. Wald, MD is an internal medicine physician with a practice address in Wausau, Wisconsin, and NPI 1164438040, issued on Jul 31, 2006. Check the license (Wisconsin 36533, as entered in NPPES) on the Wisconsin Medical Examining 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
1164438040
Name
Thomas C. Wald
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
36533 WI
Self-reported in NPPES; status is on the state search
Practice location
425 Pine Ridge Blvd, Wausau, WI 54401
Phone
(715) 847-2480
Enumerated
Jul 31, 2006
Record last updated
Sep 18, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
32111500 WI
Medicare enrollment
Enrolled (PECOS I20100326000660); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 1989
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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Also registered at 425 Pine Ridge Blvd

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

  1. Elliott AdentCertified Registered Nurse Anesthetist1013453497
  2. Aaron Anderson, M.D.Anesthesiology Physician1720024870
  3. Jonathan Bayba, M.D.Anesthesiology Physician1386664068
  4. Andrew Beaumont, M.D., PH.D.Neurological Surgery Physician1871688135
  5. Erika Beining, CRNACertified Registered Nurse Anesthetist1245646033
  6. Zaven Boornazian, M.D.Anesthesiology Physician1558382853

Verify Thomas C. Wald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36533
    Check 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 Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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57% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,351 Medicare Part D claims for 246 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of claims.

  1. Thomas Wald1,351
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa231 claims
  2. Anoro Ellipta159 claims
  3. Stiolto Respimat94 claims
  4. Fluticasone-Salmeterol83 claims
  5. Montelukast Sodium69 claims
  6. Breo Ellipta67 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: $68.53

3 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Wald$68.53
  2. Specialty average$1,303.06

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. Fox Valley Pulmonary Medicine SCAppleton, WI

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

Thomas C. Wald among 2,078 internal medicine physician records in Wisconsin

Thomas C. Wald, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 46% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1989 · median 2002 among the 1,098 with a school on file
  • Record last updated2009 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 internal medicine physician records list a practice address in Wausau

They are 26 of the 1,958 NPPES records with a practice address in Wausau, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Erik Anderson, MDWausau, WI 544011427066745
  2. Riccardo Barani, MDWausau, WI 544011649288986
  3. Michael Blick, MDWausau, WI 544011801816889
  4. William Bowler, MDWausau, WI 544011508966235
  5. Matthew Clark, MDWausau, WI 544011487662680
  6. James Cygan, MDWausau, WI 544011235145210
  7. William Dernbach, MDWausau, WI 544011255431631
  8. Mary Freeman, MDWausau, WI 544011356369581

Common questions

What is Thomas C. Wald, MD's NPI number?

Thomas C. Wald, MD's National Provider Identifier (NPI) is 1164438040, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas C. Wald, MD located?

The NPPES record lists a practice address at 425 Pine Ridge Blvd, Wausau, WI, 54401. Phone: (715) 847-2480. Providers update this record themselves, so call before visiting.

How can I verify Thomas C. Wald, MD's license?

NPPES lists Wisconsin license number 36533, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas C. Wald, MD prescribe under Medicare Part D?

In 2024, Thomas C. Wald, MD had 1,351 Medicare Part D claims for 246 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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.