Michael G. Massee, MD
Obstetrics & Gynecology Physician · Marinette, WI
Michael G. Massee, MD is an obstetrics & gynecology physician with a practice address in Marinette, Wisconsin, and NPI 1316934730, issued on Sep 30, 2005. Check the license (Wisconsin 40810020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael G. Massee
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 40810020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2820 Roosevelt Road, Marinette, WI 54143
- Phone
- (715) 735-5225
- Enumerated
- Sep 30, 2005
- Record last updated
- Sep 21, 2023
- Fax
- (715) 735-5388
- Medicaid ID
- 32575500 WI
- Medicare enrollment
- Enrolled (PECOS I20041101000799); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 2820 Roosevelt Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jon Simmons, MDFamily Medicine Physician1336189075
- Jeffrey Urban, MDPediatrics Physician1568478519
Verify Michael G. Massee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40810020Check 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 obstetrics & gynecology physician in 2024
12 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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 2 group practices
- Bellin Memorial Hospital IncGreen Bay, WI
- Oconto Hospital And Medical Center IncMarinette, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael G. Massee among 796 obstetrics & gynecology physician records in Wisconsin
Michael G. Massee, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2007 among the 478 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Marinette → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- John Briody, M.D., SCMarinette, WI 541431346237666
- Emily Ermis, D.O.Marinette, WI 541431821228073
- Kristin Kniech, DOMarinette, WI 541431003479775
- James Arnold, MDOconto Falls, WI 541541114914439
- Ann Tousignant, MDShawano, WI 541661497745715
- Michael West, MDShawano, WI 541661720117575
- Robert Cavanaugh, MDDe Pere, WI 541151295814176
- Kelly Malloy, M.D.De Pere, WI 541151578787073
Common questions
What is Michael G. Massee, MD's NPI number?
Michael G. Massee, MD's National Provider Identifier (NPI) is 1316934730, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael G. Massee, MD located?
The NPPES record lists a practice address at 2820 Roosevelt Road, Marinette, WI, 54143. Phone: (715) 735-5225. Providers update this record themselves, so call before visiting.
How can I verify Michael G. Massee, MD's license?
NPPES lists Wisconsin license number 40810020, 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 Michael G. Massee, MD prescribe under Medicare Part D?
In 2024, Michael G. Massee, MD had 12 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.