Maxwell Butler, MD
Family Medicine Physician · Sun Prairie, WI
Maxwell Butler, MD is a family medicine physician with a practice address in Sun Prairie, Wisconsin, and NPI 1326787755, issued on Jun 2, 2022. Check the license (Wisconsin 85401, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Maxwell Butler
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 85401 WI
85401-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2651 Windsor St, Sun Prairie, WI 53590
- Phone
- (608) 837-2206
- Enumerated
- Jun 2, 2022
- Entity
- Type 1 · individual
Also registered at 2651 Windsor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paige Armga, PAMedical Physician Assistant1710430459
- Jacob Bryan, M.D.Family Medicine Physician1710114657
- Maria Carwile, APNP, FNP-BCFamily Nurse Practitioner1053111260
- Lesley Coert, MDFamily Medicine Physician1053389122
- Katharine Greenfield, M.D.Family Medicine Physician1588026025
- Laura Kuhn, M.D.Family Medicine Physician1528099785
Verify Maxwell Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 85401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
76% fewer Medicare Part D claims than the average family medicine physician in 2024
839 Medicare Part D claims for 123 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate77 claims
- Atorvastatin Calcium64 claims
- Metformin Hcl38 claims
- Hydrochlorothiazide36 claims
- Gabapentin34 claims
- Lisinopril34 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.
One hospital or facility affiliation
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
26 family medicine physician records list a Sun Prairie practice address
They are 26 of the 485 NPPES records with a Sun Prairie practice address, and 3,629 family medicine physician records in Wisconsin.
All 26 in Sun Prairie → All 3,629 in Wisconsin → Every provider in Sun Prairie →
Other family medicine physician records in Wisconsin
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
- Emily Abeyta, MDWaukesha, WI1386905107
- Islam Abo Al Nadie, MDMilwaukee, WI1326618786
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is Maxwell Butler, MD's NPI number?
Maxwell Butler, MD's National Provider Identifier (NPI) is 1326787755, issued on Jun 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Maxwell Butler, MD located?
The NPPES record lists a practice address at 2651 Windsor St, Sun Prairie, WI, 53590. Phone: (608) 837-2206. Providers update this record themselves, so call before visiting.
How can I verify Maxwell Butler, MD's license?
NPPES lists Wisconsin license number 85401, 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 Maxwell Butler, MD prescribe under Medicare Part D?
In 2024, Maxwell Butler, MD had 839 Medicare Part D claims for 123 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.