JOHN MATHIS, M.D.
MICHIANA GASTROENTEROLOGY, INC
Concierge Medicine
Focusing on continuous care and maintaining a consistent relationship with a primary clinician.
Credentials & Training
Federally verified- Credential
- MD
- Medical school
- Indiana University School of Medicine
- Graduated
- 1976
- Medicare specialty
- Internal Medicine
- Also practices
- Gastroenterology
- Group practice
- Michiana Gastroenterology, INC · 12 clinicians
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked September 2026.
About
Located in South Bend, Indiana, this practice provides care within a direct-pay model. Geriatric Medicine focuses on the complex medical needs of older adults, managing multiple chronic conditions that often occur together.
The field addresses the unique health challenges associated with aging, including the management of multiple comorbidities, functional decline, and polypharmacy. Care involves coordinating services across various systems to maintain the highest possible quality of life.
This practice operates on a direct-pay basis, meaning patients pay for services directly rather than through traditional insurance billing.
Areas of Focus
Conditions Treated
Specialties
Patients Served
Frequently Asked Questions
What is the primary focus of Geriatric Medicine?
Geriatric Medicine addresses the complex medical needs of older adults, focusing on managing multiple chronic conditions that often occur together.
Does this practice accept insurance?
This practice operates on a direct-pay basis, meaning patients pay for services directly.
What does care in this specialty involve?
The field involves coordinating services across various systems to manage multiple comorbidities and maintain the highest possible quality of life for older adults.
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