Overview
Mary Ocallaghan is a primary care provider, practicing in Internal Medicine in Ludington, Michigan. Dr. Ocallaghan is rated as an Experienced provider by MediFind in the treatment of Vascular Dementia. Her top areas of expertise are Enlarged Prostate (BPH), Mesenchymoma, Fibrosarcoma, and Chronic Recurrent Multifocal Osteomyelitis.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
Locations
Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family And Internal Medicine
Zane Knoer is a primary care provider, practicing in Internal Medicine in Ludington, Michigan. Dr. Knoer has been practicing medicine for over 28 years and is rated as an Advanced provider by MediFind in the treatment of Vascular Dementia. His top areas of expertise are Sinusitis, Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, Gastroesophageal Reflux Disease (GERD), and Hip Replacement.
Pedro Mejia-Garagorry is a primary care provider, practicing in Internal Medicine in Muskegon, Michigan. Dr. Mejia-Garagorry is rated as an Experienced provider by MediFind in the treatment of Vascular Dementia. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Pneumonia, Spinocerebellar Ataxia Type 28, and Infantile-Onset Spinocerebellar Ataxia (IOSCA).
Aurora Internal Medicine
Tresa Teehan is a primary care provider, practicing in Internal Medicine in Two Rivers, Wisconsin. Dr. Teehan is rated as an Experienced provider by MediFind in the treatment of Vascular Dementia. Her top areas of expertise are High Cholesterol, Cirrhosis, Hypothyroidism, and Familial Combined Hyperlipidemia.
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
- Advanced
- Enlarged Prostate (BPH)Dr. Ocallaghan isAdvanced. Learn about Enlarged Prostate (BPH).
- FibrosarcomaDr. Ocallaghan isAdvanced. Learn about Fibrosarcoma.
- MesenchymomaDr. Ocallaghan isAdvanced. Learn about Mesenchymoma.
- Experienced
- Acute Interstitial PneumoniaDr. Ocallaghan isExperienced. Learn about Acute Interstitial Pneumonia.
- AnemiaDr. Ocallaghan isExperienced. Learn about Anemia.
- Atrial TachycardiaDr. Ocallaghan isExperienced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Autosomal Dominant HypocalcemiaDr. Ocallaghan isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- BullaeDr. Ocallaghan isExperienced. Learn about Bullae.

