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Physician Directory

Dr. John T. Brennan, MD

Family Medicine

  • (814) 445-4585

Dr. Brennan's Overview

Dr. John T. Brennan graduated from the Duke University School of Medicine in 1977. He works in Somerset, PA and specializes in Family Medicine. Dr. Brennan is affiliated with Somerset Hospital.

Gender: Male

Languages Spoken: English

Dr. Brennan's Experience

Years in Practice: 38

Conditions Treated by Dr. Brennan

  • Diabetes mellitus (DM)
  • Disorders of lipoid metabolism
  • Gastroesophageal reflux disease (GERD)
  • Hypothyroidism
  • Acute bronchitis
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Procedures Performed by Dr. Brennan

  • Allergen immunotherapy
  • Arthrocentesis
  • Audiology Evaluation
  • Destruction of benign/premalignant skin lesions
  • EKG, continuous
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Dr. Brennan's Specialties

Family Medicine

Dr. Brennan's Education & Training

Medical School: Duke University School of Medicine; Graduated 1977

Dr. Brennan's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • CIGNA Open Access
  • First Health PPO
  • Geisinger Health Plan
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Dr. Brennan's Office Information & Appointments

Office Locations

Nathan O Thomas MD
Highlands Family Medicine

4324 Glades Pike
Somerset, PA 15501
(814) 445-4585


Office Hours and Information

Fax: (814) 443-2642

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 6:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 6:00 PM
Friday 8:00 AM - 4:30 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Brennan's Practice

Dr. Brennan's Hospital Affiliations

Office Locations