Specialty
Internal Medicine
Medicare
Accepted
Telehealth
Not Available
Practice Type
Group Practice
About Dr. Gessner-Peterson
Mary C. Gessner-Peterson is a highly qualified Internal Medicine specialist serving patients in Alpine, CA. With a distinguished medical career spanning since 2005, Dr. Gessner-Peterson brings exceptional expertise and compassionate care to every patient interaction.
Dr. Gessner-Peterson earned her medical degree from Philadelphia College Of Osteopathic Medicine, establishing a strong foundation in medical science and patient care.She is board-certified in Internal Medicine, demonstrating her commitment to maintaining the highest standards of medical practice.
Currently practicing at Grossmont Hospital, Dr. Gessner-Peterson provides comprehensive internal medicine services to the Alpine community and surrounding areas.
Practice Locations
2 locationsAffiliations
Services & Procedures
Based on Medicare claims data
About Internal Medicine
An internal medicine physician (internist) is a medical doctor who specializes in the prevention, diagnosis, and treatment of diseases in adults. Internists are trained to manage complex, chronic, and multi-system illnesses, often serving as primary care doctors for adults or as consultants to other...
Common conditions treated by internal medicine specialists:
- Type 2 Diabetes Mellitus
- Hypertension (High Blood Pressure)
- Hyperlipidemia (High Cholesterol)
- Coronary Artery Disease (Heart Disease)
Frequently Asked Questions
Does Dr. Gessner-Peterson accept Medicare?
Yes, Dr. Gessner-Peterson accepts Medicare. Patients with Medicare coverage can see Dr. Gessner-Peterson and typically pay less out of pocket when using a provider who accepts Medicare assignment.
Does Dr. Gessner-Peterson offer telehealth or virtual appointments?
Dr. Gessner-Peterson does not currently list telehealth services. For virtual care options, contact the office directly or consider other internal medicine providers in Alpine who offer telehealth.
Where is Dr. Gessner-Peterson's office located?
Dr. Gessner-Peterson practices at 1832 ALPINE BLVD, Alpine, CA 919012107 at MARY GESSNER-PETERSON MEDICAL GROUP INC. You can reach the office by calling (619) 326-4445.
What conditions does Dr. Gessner-Peterson treat?
As a internal medicine specialist, Dr. Gessner-Peterson commonly treats conditions including type 2 diabetes mellitus, hypertension (high blood pressure), hyperlipidemia (high cholesterol), coronary artery disease (heart disease), and other internal medicine-related health concerns. Contact the office to discuss your specific healthcare needs.
How do I make an appointment with Dr. Gessner-Peterson?
To schedule an appointment with Dr. Gessner-Peterson, call the office at (619) 326-4445. New patients should have their insurance information and medical records ready when calling.
Education & Background
Last verified: December 2025
Source: CMS National Provider Registry
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