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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).

Patient Reviews

Patient comments (26)

The overall average patient rating of Dr. John Sullivan, Family Practitioner is Excellent. Dr. Sullivan has been reviewed by 32 patients who have provided 26 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.6
Courteous Staff 4.8
Accurate Diagnosis 4.8
Bedside Manner 4.7
Spends Time with Me 4.8
Follows Up After Visit 4.7

Specialties & Research

Dr. John Sullivan, MD is board certified in Family Medicine.

  • He has special expertise in 13 areas:
  • Adolescent Medicine
  • Allergy
  • Asthma
  • Chronic Fatigue Syndrome
  • Endometriosis
  • Environmental Illness
  • Fibromyalgia
  • Food Allergy (Hypersensitivity)
  • Multiple Sclerosis (MS)
  • Nasal Allergy (Rhinitis)
  • Nutrition Disorders
  • Preventive Medicine
  • Yeast Infection (Candidiasis)

Education & Awards

Dr. Sullivan graduated from University of Cincinnati. He has 6 awards.

Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Award - 5 Year Honoree (2013 - 2014)
Compassionate Doctor Recognition (2009 - 2014)
Top 10 Doctor - State (2014)
Family Practitioner
On-Time Doctor Award (2009, 2014)


Dr. Sullivan has 4 hospital affiliations:

  • Holy Spirit Hospital 
  • Harrisburg Hospital 

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Additional Information
Dr. John Michael Sullivan MD is a male Allergist, has 36 years of experience and practices in Family Medicine and Allergy.
Where does Dr. John M. Sullivan practice?
Dr. John Sullivan has 2 office locations.
Dr. John Sullivan practices Family Medicine and Allergy near Mechanicsburg, PA.
See Mechanicsburg Primary Care Doctors and Mechanicsburg Allergists.