Overview
Thomas O'callaghan is a primary care provider, practicing in Internal Medicine in Ann Arbor, Michigan. Dr. O'callaghan is rated as an Experienced provider by MediFind in the treatment of Low Blood Sugar. His top areas of expertise are Orbital Cellulitis, Diffuse Panbronchiolitis, Low Blood Sugar, Malnutrition, and Adenoidectomy. Dr. O'callaghan is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1500 E Medical Ctr, Suite 0331, Ann Arbor, MI 48109
1500 E Medical Ctr Dr, Ann Arbor, MI 48109
Grunberger Diabetes & Endocrinology
George Grunberger is an Internal Medicine provider in Bloomfield Hills, Michigan. Dr. Grunberger has been practicing medicine for over 49 years and is rated as a Distinguished provider by MediFind in the treatment of Low Blood Sugar. His top areas of expertise are Type 1 Diabetes (T1D), Low Blood Sugar, Type 2 Diabetes (T2D), and Diabetic Ketoacidosis. Dr. Grunberger is currently accepting new patients.
Jonathan E Pasko MD PC
Jonathan Pasko is a primary care provider, practicing in Pediatrics and Internal Medicine in Monroe, Michigan. Dr. Pasko has been practicing medicine for over 30 years and is rated as an Advanced provider by MediFind in the treatment of Low Blood Sugar. His top areas of expertise are Congenital Hyperinsulinism, Low Blood Sugar, Anemia, and Vitamin D Deficiency. Dr. Pasko is currently accepting new patients.
Corewell Health Internal Medicine - 20317 Farmington Rd
Benjamin Rossi is a primary care provider, practicing in Internal Medicine in Livonia, Michigan. Dr. Rossi has been practicing medicine for over 23 years and is rated as a Distinguished provider by MediFind in the treatment of Low Blood Sugar. His top areas of expertise are Lung Metastases, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Colonoscopy, and Gastrostomy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Addison's DiseaseDr. O'callaghan isExperienced. Learn about Addison's Disease.
- AdenoidectomyDr. O'callaghan isExperienced. Learn about Adenoidectomy.
- AnorexiaDr. O'callaghan isExperienced. Learn about Anorexia.
- Atypical PneumoniaDr. O'callaghan isExperienced. Learn about Atypical Pneumonia.
- CamptocormismDr. O'callaghan isExperienced. Learn about Camptocormism.
- Cerebral HypoxiaDr. O'callaghan isExperienced. Learn about Cerebral Hypoxia.

