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Eric Gureghian, MD
NPI 1942293006 · Internal Medicine Physician · Ontario, CA
Eric Gureghian, MD is a Internal Medicine Physician provider in Ontario, CA (NPI 1942293006).
Provider details
- NPI number
- 1942293006
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A60427 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3990 Concours
Suite 500
Ontario, CA 91764-7970
Phone: (909) 605-8000
Fax: (866) 551-0236
Street-level locationGet directions
Mailing address
3990 Concours
Ontario, CA 91764-7970
Registry dates
- Enumerated
- 2005-08-24
- Last updated
- 2016-06-29
Frequently asked questions
- What is Eric Gureghian's NPI number?
- Eric Gureghian's National Provider Identifier (NPI) is 1942293006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Gureghian's specialty?
- Eric Gureghian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Gureghian located?
- Eric Gureghian's practice location on file with NPPES is 3990 Concours, Ontario, CA 91764-7970.
- What is Eric Gureghian's phone number?
- The practice phone number listed in the NPPES registry for Eric Gureghian is (909) 605-8000.
- Is Eric Gureghian's NPI active?
- Yes — Eric Gureghian's NPI (1942293006) is active in the NPPES registry as of the last update on 2016-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.