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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 (2)

The overall average patient rating of Dr. Charles Groncy is Below Average. Dr. Groncy has been reviewed by 3 patients who have provided 2 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 2.3
Courteous Staff 1.7
Accurate Diagnosis 1.0
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Charles Groncy, MD is board certified in Allergy & Immunology and Pediatrics.

  • He has special expertise in 4 areas:
  • Allergy
  • Asthma
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Groncy graduated from The Ohio State University , Columbus.


Dr. Groncy has 2 hospital affiliations:

  • Placentia-Linda Hospital 
  • St. Jude Medical Center 

> > > > Dr. Charles Groncy, MD

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Additional Information
Dr. Charles E Groncy MD is a male Allergist & Immunologist, has 41 years of experience and practices in Allergy & Immunology and Pediatrics.
Where does Dr. Charles E. Groncy practice?
Dr. Charles Groncy has 2 office locations.
Dr. Charles Groncy practices Allergy & Immunology and Pediatrics near Fullerton, CA.
Additional practice locations include: Brea, CA.
See Fullerton Allergists and Fullerton Pediatricians.