OrganizationActive
Glennan Medical Group PC
NPI 1285632364 · Internal Medicine Physician · Oxford, MI
Provider details
- NPI number
- 1285632364
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sheryl Wissman, Owner/Physician(248) 628-2233
- License
- 4301051927 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1 documented practice location
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
72 S Washington St
Suite 204
Oxford, MI 48371-6421
Phone: (248) 628-2233
Fax: (248) 628-2384
Street-level locationGet directions
Mailing address
72 S Washington St
Oxford, MI 48371-6421
Registry dates
- Enumerated
- 2005-07-12
- Last updated
- 2020-04-22
- Certified
- 2020-04-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.