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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Donald Mahler:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Donald Mahler is Excellent. Dr. Mahler has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Donald Mahler, MD is board certified in Pulmonary Disease.

  • He has special expertise in 7 areas:
  • Asthma
  • Cancer
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Lung Diseases
  • Obstructive Lung Diseases
  • Pulmonology
  • Stress Testing

Education & Awards

Dr. Mahler graduated from Loyola University Chicago, Maywood. He has 4 awards.

One of America's Leading Experts on:
Chronic Obstructive Pulmonary Disease
Lung Diseases
Obstructive Lung Diseases
Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2014)


Dr. Mahler has 6 hospital affiliations:

  • Mary Hitchcock Memorial Hospital 
  • Lung/Thoracic Cancer Program 

> > > > Dr. Donald Mahler, MD

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Additional Information
Dr. Donald Allen Mahler MD is a male Pulmonologist, has 39 years of experience and practices in Pulmonary Disease.
Where does Dr. Donald A. Mahler practice?
Dr. Donald Mahler has 1 office location.
Dr. Donald Mahler practices Pulmonary Disease near Lebanon, NH.
See Lebanon Pulmonologists.