Summary

Dr. John Lewison is an internal medicine physician who specializes in hospital medicine, bringing over three decades of clinical expertise to his practice. He earned his medical degree from the University of Maryland School of Medicine and completed his residency training at York Hospital. With 33 years of experience treating patients, Dr. Lewison has developed extensive knowledge in managing complex medical conditions that require hospitalization and comprehensive care.

Dr. Lewison practices at Saint Peters Health Regional Medical Center in Helena, Montana, and maintains affiliations with both Saint Peters Health Regional Medical Center and Barton Memorial Hospital. He focuses on treating patients with chronic obstructive pulmonary disease, diabetes, and heart failure. His clinical work includes performing complete blood count tests, kidney function assessments, and chest imaging studies to help diagnose and monitor patient conditions. Patients have given Dr. Lewison an average rating of 3.0 on Vitals.
Read More Read less

Overview based on verified provider data

Quick Facts

  • 3
  • 33 years of experience
  • York Hospital
  • 2 written reviews
  • 2 specialties
  • 5 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 1 office location
  • Male

Office Location

Compare with Similar Doctors

Dr. John Frederick Lewison, MD
Dr. Susan Effertz
Dr. William Louis Tonidandel, MD
Dr. Mollie L Lane, MD
Dr. John Frederick Lewison, MDDr. Susan EffertzDr. William Louis Tonidandel, MDDr. Mollie L Lane, MD
Internal MedicineInternal MedicineAnesthesiologyCritical Care Medicine
Accepts New Patients
1.4 
33 Years of Experience 50 Years of Experience 28 Years of Experience 14 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Helena , MTGreat Falls , MTHelena , MTHelena , MT
Med School: University Of Maryland School Of Medicine Med School: University of Missouri at Columbia Med School: Vanderbilt University School Of Medicine Med School: Oregon Health & Science University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. John Frederick Lewison

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John Frederick Lewison has the following 2 specialties

Specialty Expertise

Dr. John Frederick Lewison has the following 5 areas of expertise

  • Chest Pain
  • Gastrointestinal Bleeding
  • Hospital Medicine
  • Meningitis
  • Pneumonia

Certifications, License, & Education

33 Years Experience

MEDICAL LICENSE

Medical Doctor, Montana, 2026, Expired

EDUCATION & TRAINING

Residency

York Hospital

Medical School

University Of Maryland School Of MedicineGraduated in 1993

Similar doctors

Frequently Asked Questions

Which hospitals is Dr. John Lewison affiliated with?
Dr. John Lewison is affiliated with Barton Memorial Hospital and Saint Peters Health Regional Medical Center.
Where is Dr. John Lewison's office located?
Dr. John Lewison's office is located at 2475 E Broadway St, Helena, MT, 59601.
Does Dr. John Lewison accept virtual/telehealth appointments?
Dr. John Lewison has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. John Lewison?
You can find contact information for Dr. John Lewison here on Vitals.
Is Dr. John Lewison accepting new patients?
Dr. John Lewison has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.