5
5 Ratings with 1 written Review
Summary
Dr. John Messmer specializes in family medicine and geriatric medicine, bringing nearly five decades of medical expertise to patient care. He earned his medical degree from Pennsylvania State University College of Medicine and completed his residency at the United States Naval Medical Center. With 49 years of experience in medicine, Dr. Messmer is fluent in Chinese, Spanish, English, and French.
Dr. Messmer practices at Penn State Health Milton S Hershey Medical Center and sees patients in Palmyra, Camp Hill, Lebanon, and Hershey, Pennsylvania. He focuses on caring for patients with Alzheimer's disease, dementia, and cognitive impairment. His approach includes physical therapy and strength training to help patients maintain their independence and quality of life. Patients consistently rate Dr. Messmer highly, giving him an average rating of 5.0.
Dr. Messmer practices at Penn State Health Milton S Hershey Medical Center and sees patients in Palmyra, Camp Hill, Lebanon, and Hershey, Pennsylvania. He focuses on caring for patients with Alzheimer's disease, dementia, and cognitive impairment. His approach includes physical therapy and strength training to help patients maintain their independence and quality of life. Patients consistently rate Dr. Messmer highly, giving him an average rating of 5.0.
AI-generated from data on this provider profile.
Quick Facts
- 49 years of experience
- 29 insurance plans accepted
- speaks Chinese, Spanish, English, French
- United States Naval Medical Center
- 1 written review
- 2 specialties
- 9 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 4 office locations
- Male
Office Locations
Dr. John Joseph Messmer has 4 locationsPenn State Health Medical Group
941 Park DrPalmyra, PA 17078 Tel: (717) 838-6305
Mon8:00 am - 4:30 pm
Tue7:00 am - 4:30 pm
Wed7:00 am - 4:30 pm
Thu7:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John Joseph Messmer, MD | Helix Virtual Care | Dr. Bruce David Richman, DO | Dr. Parth Bhavsar |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 49 Years of Experience | 40 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Chinese, Spanish, English, French | Speaks English | Speaks English, Hindi, Gujarati, Urdu | |
| Palmyra , PA | Boca Raton , FL | Quakertown , PA | Lawrenceville , GA |
| Med School: Pennsylvania State University College Of Medicine | Med School: Philadelphia College Of Osteopathic Medicine | Med School: Smt N H L Municipal Medical College | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Joseph Messmer
Medical Specialties
Dr. John Joseph Messmer has the following 2 specialties
Specialty Expertise
Dr. John Joseph Messmer has the following 9 areas of expertise
Certifications, License, & Education
49 Years Experience
MEDICAL LICENSE
Medical Doctor, Pennsylvania, 2026, Active
EDUCATION & TRAINING
Residency
United States Naval Medical Center
Medical School
Pennsylvania State University College Of MedicineGraduated in 1977
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Frequently Asked Questions
- What languages does Dr. John Messmer speak?
- Dr. John Messmer speaks Chinese, Spanish, English, and French.
- Is Dr. John Messmer accepting new patients?
- Dr. John Messmer has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Messmer accept my insurance?
- You can see the insurance plans that Dr. John Messmer accepts on their Vitals profile.
- Which hospitals is Dr. John Messmer affiliated with?
- Dr. John Messmer is affiliated with Penn State Health Milton S Hershey Medical Center.
- Does Dr. John Messmer accept virtual/telehealth appointments?
- Dr. John Messmer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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