CHARLES E. GRONCY, MD INC
NPI 1083629935
Allergy & Immunology - Allergy in Fullerton, CA

Q: What is Charles E. Groncy, MD Inc's NPI number?

The NPI number for Charles E. Groncy, MD Inc is 1083629935. It was assigned to this organization in the NPPES registry on July 29, 2006.

Q: What is Charles E. Groncy, MD Inc's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Active since July 29, 2006

301 W BASTANCHURY RD, SUITE 25, FULLERTON, CA 92835(714) 680-6220(714) 680-3893 Get Directions Write a Review

NPPES record last updated: November 14, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Charles E. Groncy, Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES E. GRONCY, MD INC (NPI 1083629935) is a healthcare organization registered as an allergy in Fullerton, California and active in the NPI registry since July 2006. The organization lists Charles E. Groncy, President, as its authorized official.

NPPES Registry Identity

NPI1083629935

Entity TypeOrganization

Primary Taxonomy207KA0200X

Legal Business NameCHARLES E. GRONCY, MD INC

Location Address301 W BASTANCHURY RD, SUITE 25Fullerton, CA 92835-3419

Mailing Address301 W Bastanchury Rd, Suite 25Fullerton, CA 92835-3419 · (714) 680-6220 · Fax (714) 680-3893

Phone(714) 680-6220

Fax(714) 680-3893

Organization SubpartNo

Authorized OfficialCharles E. GroncyPresident · (714) 680-6220

Enumeration DateJuly 29, 2006

Last NPPES UpdateNovember 14, 2008

✔ NPI 1083629935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians

Taxonomy Code207KA0200X

License✔ Licensed in CA · C36424

Definition

A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

301 W BASTANCHURY RD, Fullerton, CA 92835

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Other Identifiers 3

Medicare ID-Type Unspecified030002866CA · Railroad

Medicare PINC36424ACA

Medicare UPINA36261CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN D. ZDRAL, M.D., INC.

Ophthalmology

301 W BASTANCHURY RD, SUITE 10
FULLERTON, CA 92835

Orange County (714) 879-7372

DR. HELIA ERAGI D.O.

Dermatology

301 W BASTANCHURY RD, SUITE 210
FULLERTON, CA 92835

Orange County (714) 879-9936

THIEN PHUC NGUYEN D.D.S.

Dentist (Endodontics)

301 W BASTANCHURY RD, SUITE 110
FULLERTON, CA 92835

Orange County (714) 526-9214

QUINT SKIPTON P.A.-C

Physician Assistant

301 W BASTANCHURY RD, SUITE 210
FULLERTON, CA 92835

Orange County (714) 879-9936

ADRIANA LAZE R.N.

Registered Nurse

301 W BASTANCHURY RD, SUITE 210
FULLERTON, CA 92835

Orange County (714) 879-9936

DR. SEAN DAVID ADREAN M.D.

Ophthalmology (Retina Specialist)

301 W BASTANCHURY RD, 285
FULLERTON, CA 92835

Orange County (714) 738-4620

DR. CHARLES COONAN STREIT MD

Urology

301 W BASTANCHURY RD, # 180
FULLERTON, CA 92835

Orange County (714) 870-5970

DR. SCOTT GRANT M.D.

Ophthalmology (Retina Specialist)

301 W BASTANCHURY RD, 285
FULLERTON, CA 92835

Orange County (714) 738-4620

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles E. Groncy, MD Inc's NPI number?

The NPI number for Charles E. Groncy, MD Inc is 1083629935. It was assigned to this organization in the NPPES registry on July 29, 2006.

Where is Charles E. Groncy, MD Inc located?

Charles E. Groncy, MD Inc is located at 301 W Bastanchury Rd Suite 25, Fullerton, CA 92835. The listed phone number is (714) 680-6220.

What is Charles E. Groncy, MD Inc's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

When was this NPI record last updated?

The NPPES record for Charles E. Groncy, MD Inc was last updated on November 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.