5
2 Ratings with 1 written Review
Summary
Dr. David Preston is an internal medicine physician who graduated from Harvard Medical School and completed his residency at Beth Israel Medical Center. With four decades of experience in internal medicine, Dr. Preston brings extensive knowledge to treating adult patients with a wide range of health conditions. He speaks English and has built his practice on comprehensive primary care for adults.
Dr. Preston practices at Mainegeneral Medical Center Thayer Center For Health in Waterville, Maine. He specializes in managing high blood pressure and treating hypertensive emergencies. His practice includes coordinating physical therapy for patients and ordering CT scans when diagnostic imaging is needed. Patients consistently rate Dr. Preston highly, giving him an average score of 5.0 stars for his care.
Dr. Preston practices at Mainegeneral Medical Center Thayer Center For Health in Waterville, Maine. He specializes in managing high blood pressure and treating hypertensive emergencies. His practice includes coordinating physical therapy for patients and ordering CT scans when diagnostic imaging is needed. Patients consistently rate Dr. Preston highly, giving him an average score of 5.0 stars for his care.
Overview based on verified provider data
Quick Facts
- 40 years of experience
- speaks English
- Beth Israel Medical Center
- 1 written review
- 1 specialty
- 12 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Mainegeneral Medical Center Thayer Center For Health
149 North StWaterville, ME 04901 Tel: (207) 872-1000
Compare with Similar Doctors
 |  |  | |
| Dr. David Greeno Preston, MD | Dr. Ivy Chippendale Cass | Dr. David Mason Adler | Dr. Bharat Vemulapalli |
| Internal Medicine | Family Medicine | Oncology | Internal Medicine |
| 40 Years of Experience | 9 Years of Experience | 5 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Waterville , ME | Waterville , ME | Stony Brook , NY | Brooklyn , NY |
| Med School: Harvard Medical School | Med School: Sackler School Of Medicine | Med School: American University Of The Caribbean School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. David Greeno Preston
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. David Greeno Preston has the following specialty
Specialty Expertise
Dr. David Greeno Preston has the following 12 areas of expertise
Certifications, License, & Education
40 Years Experience
Dr. David Greeno Preston 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 Beth Israel Medical Center.
Medical School
Graduated from Harvard Medical School in 1986.
NPI Number
Dr. Preston's NPI number is 1871559203.
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Frequently Asked Questions
- Which hospitals is Dr. David Preston affiliated with?
- Dr. David Preston is affiliated with Mainegeneral Medical Center Thayer Center For Health.
- Does Dr. David Preston accept my insurance?
- You can see the insurance plans that Dr. David Preston accepts on their Vitals profile.
- How can I make an appointment with Dr. David Preston?
- You can find contact information for Dr. David Preston here on Vitals.
- Where is Dr. David Preston's office located?
- Dr. David Preston's office is located at 149 North St, Waterville, ME, 04901.
- Is Dr. David Preston accepting new patients?
- Dr. David Preston has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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