Charles Frey, DO
Allergy & Immunology
20+ years in practiceNPI: 1356321244Licensed in IL
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Credentials & Recognition
Specialties
Allergy & Immunology
NPI sub-specialties
Allergy & Immunology207K00000X
Pediatrics, Pediatric Allergy/Immunology2080P0201X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Google Reviews
3.5 / 5.0
11 reviews
Years in Practice
20+ years
Estimated from NPI enumeration date
Featured in PBCMMG Rankings
Other Allergy & Immunology Doctors near Illinois
View all →Frequently Asked Questions about Dr. Charles Frey, DO
Where does Dr. Charles Frey, DO practice?+
Dr. Charles Frey, DO practices in Illinois, IL. 698 FEATHERSTONE RD
ROCKFORD, IL 611076303.
What is Dr. Charles Frey, DO's phone number?+
Dr. Charles Frey, DO's practice phone is 815-398-3277. Office contact information is verified on the PBCMMG profile.
What does Dr. Charles Frey, DO specialize in?+
Dr. Charles Frey, DO's primary specialty is Allergy & Immunology.
Is Dr. Charles Frey, DO board certified?+
Board certification status for Dr. Charles Frey, DO has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Charles Frey, DO been practicing?+
Dr. Charles Frey, DO has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Charles Frey, DO's NPI number?+
Dr. Charles Frey, DO's National Provider Identifier (NPI) is 1356321244, registered in the federal NPPES registry.
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
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