William Calawerts, MD
Family Medicine Physician · Milwaukee, WI
William Calawerts, MD is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1487273462, issued on Apr 10, 2020. Check the license (Wisconsin 83701, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Calawerts
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 83701 WI
DR.0067710 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 955-8664
- Enumerated
- Apr 10, 2020
- Record last updated
- Jun 13, 2024
- Fax
- (414) 955-0064
- Medicare enrollment
- Enrolled (PECOS I20240821000499); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Calawerts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 83701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
231 Medicare Part D claims for 65 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium24 claims
- Lisinopril18 claims
- Tamsulosin Hcl17 claims
- Losartan Potassium13 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMilwaukee, WI
- Outreach Community Health Centers IncMilwaukee, WI
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Calawerts among 3,765 family medicine physician records in Wisconsin
William Calawerts, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2007 among the 2,347 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
299 family medicine physician records list a practice address in Milwaukee
They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Milwaukee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Syed Ahmed, MDMilwaukee, WI 532261982655460
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- Steven Bondow, MDMilwaukee, WI 532261003843772
- Sabina Diehr, MDMilwaukee, WI 532261003867185
- Harold Ducloux, M.D.Wauwatosa, WI 532261154367811
- Sarah Gaglianello, MDMilwaukee, WI 532261750324570
- Ravi Gupta, M.D.Wauwatosa, WI 532261164494324
- Nancy Havas, MDMilwaukee, WI 532261255382081
Common questions
What is William Calawerts, MD's NPI number?
William Calawerts, MD's National Provider Identifier (NPI) is 1487273462, issued on Apr 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Calawerts, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 955-8664. Providers update this record themselves, so call before visiting.
How can I verify William Calawerts, MD's license?
NPPES lists Wisconsin license number 83701, 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 William Calawerts, MD prescribe under Medicare Part D?
In 2024, William Calawerts, MD had 231 Medicare Part D claims for 65 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Calawerts, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.