5
3 Ratings with 1 written Review
Summary
Dr. John Klemperer treats hypertension, coronary artery disease, and coronary artery disease in women, and performs coronary artery bypass graft, minimally invasive heart surgery, and off-pump bypass surgery. He has practiced thoracic surgery for 36 years and is affiliated with Northern Light Eastern Maine Medical Center.
Dr. Klemperer earned his medical degree from the Jacobs School of Medicine and Biomedical Sciences at the University of Buffalo and completed his residency at New York Presbyterian Hospital. He sees patients in Bangor, Maine, and speaks English and Spanish. Patients on Vitals rate Dr. Klemperer 5 out of 5.
Dr. Klemperer earned his medical degree from the Jacobs School of Medicine and Biomedical Sciences at the University of Buffalo and completed his residency at New York Presbyterian Hospital. He sees patients in Bangor, Maine, and speaks English and Spanish. Patients on Vitals rate Dr. Klemperer 5 out of 5.
Overview based on verified provider data
Quick Facts
- 36 years of experience
- 42 insurance plans accepted
- speaks English, Spanish
- New York Presbyterian Hospital
- 1 written review
- 1 specialty
- 7 areas of expertise
- 1 hospital affiliation
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John Dean Klemperer has 3 locationsNorthern Light Cardiothoracic Surgery
417 State St Ste 421Bangor, ME 04401 Tel: (207) 973-5293
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Northern Light Surgery
417 State St Ste 330Bangor, ME 04401 Tel: (207) 973-8881
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  | |  |
| Dr. John Dean Klemperer, MD | Dr. Philip Thomas Peverada, MD | Alexander Orlando Richard Urzua | Dr. Gary Allan Keller, MD |
| Thoracic Surgery | Thoracic Surgery | Addiction Medicine | Thoracic Surgery |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 36 Years of Experience | 48 Years of Experience | 67 Years of Experience | 47 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English, Spanish | |
| Bangor , ME | Augusta , ME | PEMBROKE PINES , FL | Bangor , ME |
| Med School: Jacobs School Of Medicine & Biomedical Sciences At The Univ Of Buffalo | Med School: The Robert Larner Md College Of Medicine At The University Of Vermont | Med School: University Central Del Caribe School Of Medicine | Med School: The Robert Larner Md College Of Medicine At The University Of Vermont |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Dean Klemperer
Medical Specialties
Dr. John Dean Klemperer has the following specialty
Specialty Expertise
Dr. John Dean Klemperer has the following 7 areas of expertise
Certifications, License, & Education
36 Years Experience
Dr. John Dean Klemperer holds an expired medical license in the state of Maine.
Medical License
Medical Doctor with an expired medical license in the state of Maine that expired in 2026.
Education & Training
Residency
Completed their residency at New York Presbyterian Hospital.
Medical School
Graduated from Jacobs School Of Medicine & Biomedical Sciences At The Univ Of Buffalo in 1990.
NPI Number
Dr. Klemperer's NPI number is 1457337172.
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Frequently Asked Questions
- Does Dr. John Klemperer accept my insurance?
- You can see the insurance plans that Dr. John Klemperer accepts on their Vitals profile.
- Is Dr. John Klemperer accepting new patients?
- Dr. John Klemperer has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Klemperer accept virtual/telehealth appointments?
- Dr. John Klemperer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. John Klemperer speak?
- Dr. John Klemperer speaks English and Spanish.
- How can I make an appointment with Dr. John Klemperer?
- You can find contact information for Dr. John Klemperer here on Vitals.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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