1. Home
  2. Directory
  3. Michigan
  4. Oxford
  5. Internal Medicine
  6. NPI Profile

GLENNAN MEDICAL GROUP PC
NPI 1285632364
Internal Medicine in Oxford, MI

Active since July 12, 2005
72 S WASHINGTON ST, SUITE 204, OXFORD, MI 48371(248) 628-2233(248) 628-2384 Get Directions Write a Review

NPPES record last updated: April 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Glennan Medical Group Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GLENNAN MEDICAL GROUP PC (NPI 1285632364) is a healthcare organization registered as an internal medicine in Oxford, Michigan and active in the NPI registry since July 2005. The organization lists Sheryl Wissman, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1285632364
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGLENNAN MEDICAL GROUP PC
Location Address72 S WASHINGTON ST, SUITE 204Oxford, MI 48371-6421
Mailing Address72 S Washington St, Suite 204Oxford, MI 48371-6421 · (248) 628-2233 · Fax (248) 628-2384
Phone(248) 628-2233
Fax(248) 628-2384
Organization SubpartNo
Authorized OfficialSheryl WissmanOwner/physician · (248) 628-2233
Enumeration DateJuly 12, 2005
Last NPPES UpdateApril 22, 2020
NPPES CertifiedApril 22, 2020
✔ NPI 1285632364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301051927
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
72 S WASHINGTON ST, Oxford, MI 48371
Open in Google Maps ↗

Other Identifiers 10

Other1011749MI · Health Advantage
Medicaid4603282MI
Medicaid4406452MI
Other7023567MI · Aetna
OtherE49479MI · Hap
Other4266551MI · Aetna
Other110F302700MI · Bcbs
OtherCF9338MI · Railroad Medicare
OtherI17832MI · Hap
Other125218MI · Preferred Choices

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENNETH MICHAEL WALTER NP-C
Nurse Practitioner (Family)
72 S WASHINGTON ST, SUITE 102
OXFORD, MI 48371
Oakland County (248) 236-8333
JILLIAN N PETKUS FNP-BC
Nurse Practitioner (Family)
72 S WASHINGTON ST
OXFORD, MI 48371
Oakland County (248) 236-8333
DANIA DEMASHKIEH
Pharmacist
72 S WASHINGTON ST
OXFORD, MI 48371
Oakland County (248) 628-7990
SARAH ELIZABETH GIROUX PT
Physical Therapist
72 S WASHINGTON ST, SUITE 106
OXFORD, MI 48371
Oakland County (248) 460-1572
OXFORD URGENT CARE, LLC
Internal Medicine
72 S WASHINGTON ST, SUITE 102
OXFORD, MI 48371
Oakland County (248) 236-8333
DR. SHERYL A WISSMAN MD
Internal Medicine
72 S WASHINGTON ST, SUITE 204
OXFORD, MI 48371
Oakland County (248) 628-2233
LAKESIDE MEDICAL GROUP, PC
Family Medicine
72 S WASHINGTON ST, SUITE 202
OXFORD, MI 48371
Oakland County (248) 628-0220
MR. LAWRENCE MICHAEL OSHIER M.A.
Psychologist (Clinical)
72 S WASHINGTON ST, SUITE 206
OXFORD, MI 48371
Oakland County (248) 693-4629

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Glennan Medical Group PC's NPI number?

The NPI number for Glennan Medical Group PC is 1285632364. It was assigned to this organization in the NPPES registry on July 12, 2005.

Where is Glennan Medical Group PC located?

Glennan Medical Group PC is located at 72 S Washington St Suite 204, Oxford, MI 48371. The listed phone number is (248) 628-2233.

What is Glennan Medical Group PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

What insurance does Glennan Medical Group PC accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Glennan Medical Group PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Glennan Medical Group PC was last updated on April 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.