Quick answers
- Where does Michael G. Massee see patients?
- Medicare's clinician data lists 2 practice locations, including Marinette, WI and Oconto, WI. Call before your visit to confirm the address.
- What is Michael G. Massee's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Michael G. Massee accept Medicare assignment?
- Yes. Medicare's clinician data says Michael G. Massee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael G. Massee?
- (715) 735-5225, as listed in official Medicare / NPI Registry data.
- What is Michael G. Massee's NPI number?
- 1316934730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Michael G. Massee is enrolled with Medicare (CMS data updated 2026-10-02).
- 2820 Roosevelt RdMarinette, WI 54143 (715) 735‑5225
- 820 Arbutus AveOconto, WI 54153 (920) 835‑1100
Group practices
Medicare enrollment lists Michael G. Massee as a member of this group (CMS data updated 2026-10-02).
- Oconto Hospital and Medical Center Inc222 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Marinette
Clinicians with the same Medicare primary specialty in Marinette, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316934730 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians