Michael Massee, MD
NPI 1316934730 · Obstetrics & Gynecology Physician · Marinette, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Massee, MD is a Obstetrics & Gynecology Physician provider in Marinette, WI (NPI 1316934730).
Provider details
- NPI number
- 1316934730
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40810020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 720 S Vanburen StGreen Bay, WI 54301-3504Phone: (920) 468-3444Fax: (920) 432-6313
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2023-09-21
- Certified
- 2023-09-20
Frequently asked questions
- What is Michael Massee's NPI number?
- Michael Massee's National Provider Identifier (NPI) is 1316934730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Massee's specialty?
- Michael Massee is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Massee located?
- Michael Massee's practice location on file with NPPES is 2820 Roosevelt Road, Marinette, WI 54143-3834.
- What is Michael Massee's phone number?
- The practice phone number listed in the NPPES registry for Michael Massee is (715) 735-5225.
- Does Michael Massee accept Medicare?
- Michael Massee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Massee's NPI active?
- Yes — Michael Massee's NPI (1316934730) is active in the NPPES registry as of the last update on 2023-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.