Michael Anthony May, M.D.
Internal Medicine Physician · Willmar, MN
Michael Anthony May, M.D. is an internal medicine physician with a practice address in Willmar, Minnesota, and NPI 1619142742, issued on Apr 29, 2008. Check the license (Minnesota 48697, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Michael Anthony May
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 48697 MN
Self-reported in NPPES; status is on the state search - Practice location
- 101 Willmar Avenue SW, Willmar, MN 56201
- Phone
- (320) 231-5000
- Enumerated
- Apr 29, 2008
- Record last updated
- Mar 28, 2023
- Fax
- (320) 231-5067
- Medicare enrollment
- Enrolled (PECOS I20080811000107); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 101 Willmar Avenue SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Anthony May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 48697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
557 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium68 claims
- Levothyroxine Sodium35 claims
- Lisinopril32 claims
- Losartan Potassium32 claims
- Furosemide31 claims
- Potassium Chloride31 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.
Bills Medicare through one group practice
- Centracare Clinic Southwest LLCSaint Cloud, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Anthony May among 2,632 internal medicine physician records in Minnesota
Michael Anthony May, M.D. is one of 2,632 internal medicine physician records with a practice address in Minnesota. 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 2008, is newer than 48% of them.
- NPI issued2008 · 48% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2005 · median 2008 among the 1,700 with a school on file
- Record last updated2023 · 57% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 internal medicine physician records list a practice address in Willmar
They are 14 of the 805 NPPES records with a practice address in Willmar, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Willmar → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Anderson, MDWillmar, MN 562011760459127
- Janae Bell, MDWillmar, MN 562011033197876
- Kendall Bos, MDWillmar, MN 562011427024561
- Robert Boyd, DOWillmar, MN 562011306812615
- Irma Cockerill, MDWillmar, MN 562011063495539
- Anjali Dahiya, M DWillmar, MN 562011275709420
- Patricia Daquila, MDWillmar, MN 562011003863473
- Frederick Hund, MDWillmar, MN 562011427036573
Common questions
What is Michael Anthony May, M.D.'s NPI number?
Michael Anthony May, M.D.'s National Provider Identifier (NPI) is 1619142742, issued on Apr 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Anthony May, M.D. located?
The NPPES record lists a practice address at 101 Willmar Avenue SW, Willmar, MN, 56201. Phone: (320) 231-5000. Providers update this record themselves, so call before visiting.
How can I verify Michael Anthony May, M.D.'s license?
NPPES lists Minnesota license number 48697, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Anthony May, M.D. prescribe under Medicare Part D?
In 2024, Michael Anthony May, M.D. had 557 Medicare Part D claims for 31 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.