Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Charles E. Groncy, MD Inc

Organization Allergy Physician · NPI 1083629935

Charles E. Groncy, MD Inc is an Allergy Physician in Fullerton, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

301 W Bastanchury Rd Ste 25
Fullerton, CA 92835-3419
Phone: (714) 680-6220
Fax: (714) 680-3893
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence C36424 (CA)

Record details

NPI number1083629935
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Charles Groncy — President · (714) 680-6220
NPI enumeratedJuly 29, 2006
Last updated in NPPESNovember 14, 2008
Mailing address301 W Bastanchury Rd, Suite 25, Fullerton, CA 92835-3419