Are you Dr. Frey? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 698 Featherstone Rd, Rockford, IL 61107
About Dr. Frey
Based in Rockford, IL, Charles Frey, DO is listed in the NPI registry under allergy & immunology. Charles is also listed as specializing in pediatric allergy & immunology. NPI 1356321244 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (815) 398-3277
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
698 FEATHERSTONE RD
Rockford, IL 61107
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other allergists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergists in Rockford 3
Same specialty, same city.
Common questions
What does Dr. Frey specialize in?
Dr. Frey is an allergist in Rockford, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Where is Dr. Frey located?
Dr. Frey is listed at 698 Featherstone Rd, Rockford, IL 61107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Frey's phone number?
The number on file is (815) 398-3277. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Frey's NPI number?
Dr. Frey's National Provider Identifier is 1356321244. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Frey been practicing?
Dr. Frey has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Frey confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Frey. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.