William A. Bowler, MD
Internal Medicine Physician · Wausau, WI
William A. Bowler, MD is an internal medicine physician with a practice address in Wausau, Wisconsin, and NPI 1508966235, issued on Sep 23, 2006. Check the license (Wisconsin 29239, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William A. Bowler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 29239 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2727 Plaza Drive, Wausau, WI 54401
- Phone
- (715) 847-3181
- Enumerated
- Sep 23, 2006
- Record last updated
- Sep 11, 2025
- Medicaid ID
- 31854200 WI
- Entity
- Type 1 · individual
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Verify William A. Bowler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 29239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 83.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
William A. Bowler among 2,078 internal medicine physician records in Wisconsin
William A. Bowler, 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 fileNo · 53% of these records are
- Record last updated2025 · 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.
All 2,078 in Wisconsin → Every provider in Wausau → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Erik Anderson, MDWausau, WI 544011427066745
- Riccardo Barani, MDWausau, WI 544011649288986
- Michael Blick, MDWausau, WI 544011801816889
- Matthew Clark, MDWausau, WI 544011487662680
- James Cygan, MDWausau, WI 544011235145210
- William Dernbach, MDWausau, WI 544011255431631
- Mary Freeman, MDWausau, WI 544011356369581
- Lopa Kabir Islam, MDWausau, WI 544011881794030
Common questions
What is William A. Bowler, MD's NPI number?
William A. Bowler, MD's National Provider Identifier (NPI) is 1508966235, issued on Sep 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Bowler, MD located?
The NPPES record lists a practice address at 2727 Plaza Drive, Wausau, WI, 54401. Phone: (715) 847-3181. Providers update this record themselves, so call before visiting.
How can I verify William A. Bowler, MD's license?
NPPES lists Wisconsin license number 29239, 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.
What is William A. Bowler, MD's MIPS final score?
The 2023 MIPS final score is 83.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.