4.6
12 Ratings with 4 written Reviews
Summary
Dr. Thomas Decker specializes in internal medicine and pulmonology, bringing over five decades of medical expertise to his practice. He earned his medical degree from the University of Pittsburgh School of Medicine and completed his residency at the University of Pittsburgh Medical Center. His extensive experience spans 52 years of caring for patients with complex internal medicine and respiratory conditions. Dr. Decker is fluent in both English and Spanish.
Dr. Decker maintains affiliations with Wentworth Douglass Hospital, Frisbie Memorial Hospital, and Portsmouth Regional Hospital, with his practice located in Portsmouth, New Hampshire. He treats patients with conditions such as mobility challenges and skin disorders related to circulation problems. His approach includes coordinating physical therapy and occupational therapy services, along with strength training programs to help patients regain function and improve their quality of life. Patients have given Dr. Decker an average …rating of 4.6 stars.
Read More Read less Dr. Decker maintains affiliations with Wentworth Douglass Hospital, Frisbie Memorial Hospital, and Portsmouth Regional Hospital, with his practice located in Portsmouth, New Hampshire. He treats patients with conditions such as mobility challenges and skin disorders related to circulation problems. His approach includes coordinating physical therapy and occupational therapy services, along with strength training programs to help patients regain function and improve their quality of life. Patients have given Dr. Decker an average …rating of 4.6 stars.
Overview based on verified provider data
Quick Facts
- 52 years of experience
- speaks English, Spanish
- University Of Pittsburgh Medical Center
- 4 written reviews
- 2 specialties
- 8 areas of expertise
- 2 board certifications
- 3 hospital affiliations
- 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
Compare with Similar Doctors
 |  |  |  |
| Dr. Thomas Nathan Decker, MD | Kerry O Hara, DNP, AGNP-c | Dr. Michael Bausch Schaffer, MD | Dr. Andrea Kopasz, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | |||
| 52 Years of Experience | 10 Years of Experience | 24 Years of Experience | 34 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English, Spanish | Speaks English |
| Portsmouth , NH | Hanover , NH | Exeter , NH | Concord , MA |
| Med School: University Of Pittsburgh School Of Medicine | Med School: University of Michigan | Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: Semmelweis University Faculty Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Thomas Nathan Decker
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Thomas Nathan Decker has the following 2 specialties
Specialty Expertise
Dr. Thomas Nathan Decker has the following 8 areas of expertise
Certifications, License, & Education
52 Years Experience
Dr. Thomas Nathan Decker holds an expired medical license in the state of New Hampshire.
Medical License
Medical Doctor with an expired medical license in the state of New Hampshire that expired in 2026.
Education & Training
Residency
Completed their residency at University Of Pittsburgh Medical Center.
Medical School
Graduated from University Of Pittsburgh School Of Medicine in 1974.
NPI Number
Dr. Decker's NPI number is 1205824554.
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Frequently Asked Questions
- Does Dr. Thomas Decker accept virtual/telehealth appointments?
- Dr. Thomas Decker has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. Thomas Decker speak?
- Dr. Thomas Decker speaks English and Spanish.
- Does Dr. Thomas Decker accept my insurance?
- You can see the insurance plans that Dr. Thomas Decker accepts on their Vitals profile.
- Where is Dr. Thomas Decker's office located?
- Dr. Thomas Decker's office is located at 333 Borthwick Ave, Portsmouth, NH, 03801.
- Is Dr. Thomas Decker accepting new patients?
- Dr. Thomas Decker has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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