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DR. ERIC JAMES GUREGHIAN MD
NPI 1942293006
Internal Medicine in Ontario, CA

Active since August 24, 2005
3990 CONCOURS, SUITE 500, ONTARIO, CA 91764(909) 605-8000(866) 551-0236 Get Directions Write a Review

NPPES record last updated: June 29, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Eric James Gureghian Md NPPES

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

DR. ERIC JAMES GUREGHIAN MD (NPI 1942293006) is an individual internal medicine provider in Ontario, California, licensed in California (A60427) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1942293006
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ERIC JAMES GUREGHIANCredential: MD
Location Address3990 CONCOURS, SUITE 500Ontario, CA 91764-7970
Mailing Address3990 Concours, Suite 500Ontario, CA 91764-7970 · (909) 605-8000 · Fax (866) 551-0236
Phone(909) 605-8000
Fax(866) 551-0236
Sole ProprietorNo
Enumeration DateAugust 24, 2005
Last NPPES UpdateJune 29, 2016
✔ NPI 1942293006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A60427
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3990 CONCOURS, Ontario, CA 91764
Open in Google Maps ↗

Other Identifiers 1

Medicare UPING77280

Other Providers at the Same Location NPPES 6

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

RENU BHUPATHY M.D.
Family Medicine
3990 CONCOURS
ONTARIO, CA 91764
San Bernardino County (909) 605-8000
SARAH GAYLE CARO NP
Nurse Practitioner (Family)
3990 CONCOURS
ONTARIO, CA 91764
San Bernardino County (909) 608-8000
PRIME COMMUNITY CARE, INC.
Family Medicine
3990 CONCOURS, 5TH FLOOR
ONTARIO, CA 91764
San Bernardino County (909) 605-8000
RAMONETTE ADRIENNE ESGUERRA PARAYNO NP
Nurse Practitioner (Family)
3990 CONCOURS
ONTARIO, CA 91764
San Bernardino County (909) 605-8000
MS. LEYDA BELKIS CHING FNP
Nurse Practitioner (Family)
3990 CONCOURS
ONTARIO, CA 91764
San Bernardino County (800) 956-8000
DR. SARA IZADI PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3990 CONCOURS
ONTARIO, CA 91764
San Bernardino County (909) 605-8000

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 Eric Gureghian's NPI number?

The NPI number for Eric Gureghian is 1942293006. It was assigned to this individual provider in the NPPES registry on August 24, 2005.

Where is Eric Gureghian located?

Eric Gureghian practices at 3990 Concours Suite 500, Ontario, CA 91764. The listed phone number is (909) 605-8000.

What is Eric Gureghian's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Eric Gureghian was last updated on June 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.