Summary

Dr. William Hartzell is a pulmonologist and internal medicine physician who earned his medical degree from Virginia Commonwealth University School of Medicine. With 34 years of experience treating patients with lung and breathing conditions, he brings extensive knowledge to his practice. Dr. Hartzell is fluent in English and serves patients throughout the region.

Based at Inova Fair Oaks Hospital in Fairfax, Virginia, Dr. Hartzell specializes in treating allergies, allergic rhinitis, and various allergic reactions that affect respiratory health. He performs comprehensive pulmonary function testing to evaluate lung capacity and breathing patterns. His expertise includes bronchodilator reversibility testing and asthma challenge tests to help diagnose and manage breathing difficulties. Patients have given Dr. Hartzell an average rating of 4.2 stars for his care.

Overview based on verified provider data

Quick Facts

  • 4.2
  • 34 years of experience
  • speaks English
  • Virginia Commonwealth University School Of Medicine
  • 5 written reviews
  • 2 specialties
  • 10 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

Office Location

Inova Fair Oaks Hospital

3600 Joseph Siewick DrFairfax, VA 22033

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Dr. William Osborn Hartzell, MDDr. Mohammed Azim, MDEdmund Clement TramontRichard K Riegelman
PulmonologyPulmonologyInfectious DiseasePublic Health & General Preventive Medicine
Accepts New Patients
4.2 
34 Years of Experience 35 Years of Experience 60 Years of Experience 53 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish, Persian, Urdu
Fairfax , VAManassas , VARockville , MDWashington , DC
Med School: Virginia Commonwealth University School Of Medicine Med School: CATHOLIC MEDICAL CENTER Med School: Boston University School Of Medicine Med School: University Of Wisconsin School Of Medicine & Public Health
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Insurance Plans Accepted by Dr. William Osborn Hartzell

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

Medical Specialties

Dr. William Osborn Hartzell has the following 2 specialties

Specialty Expertise

Dr. William Osborn Hartzell has the following 10 areas of expertise

  • Asthma
  • Check-up
  • Heartburn
  • Immunization
  • Internal Medicine
  • Pediatrics
  • Physical
  • Vaccination
  • Warts
  • Weight Loss

Certifications, License, & Education

34 Years Experience

Dr. William Osborn Hartzell holds an expired medical license in the state of Virginia.

Medical License

Medical Doctor with an expired medical license in the state of Virginia that expired in 2026.

Education & Training

Medical School

Graduated from Virginia Commonwealth University School Of Medicine in 1992.

NPI Number

Dr. Hartzell's NPI number is 1417938986.

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Frequently Asked Questions

How can I make an appointment with Dr. William Hartzell?
You can find contact information for Dr. William Hartzell here on Vitals.
Does Dr. William Hartzell accept my insurance?
You can see the insurance plans that Dr. William Hartzell accepts on their Vitals profile.
Is Dr. William Hartzell accepting new patients?
Dr. William Hartzell has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. William Hartzell's office located?
Dr. William Hartzell's office is located at 3600 Joseph Siewick Dr, Fairfax, VA, 22033.
What languages does Dr. William Hartzell speak?
Dr. William Hartzell speaks English.

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