What is James Couperus's NPI number?

James Couperus's National Provider Identifier (NPI) is 1801813977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Couperus's specialty?

James Couperus is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).

Where is James Couperus located?

James Couperus's practice location on file with NPPES is 11370 Anderson St, Loma Linda, CA 92354-3450.

What is James Couperus's phone number?

The practice phone number listed in the NPPES registry for James Couperus is (909) 558-2191.

Is James Couperus's NPI active?

Yes — James Couperus's NPI (1801813977) is active in the NPPES registry as of the last update on 2008-04-28.

IndividualActive

James Couperus, M.D.

NPI 1801813977 · Infectious Disease Physician · Loma Linda, CA

James Couperus, M.D. is a Infectious Disease Physician provider in Loma Linda, CA (NPI 1801813977).

Provider details

NPI number: 1801813977
Entity type: Individual
Primary specialty: Infectious Disease PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: G15430 (CA)

Specialties & taxonomies

Infectious Disease PhysicianPrimary207RI0200XLicense G15430 (CA)
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
19 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

11370 Anderson St

Ste 3150

Loma Linda, CA 92354-3450

Phone: (909) 558-2191

Street-level locationGet directions

More CA providers

Mailing address

56994 File Number

Los Angeles, CA 90074-6994

Enumerated: 2006-07-16
Last updated: 2008-04-28

Frequently asked questions

What is James Couperus's NPI number?: James Couperus's National Provider Identifier (NPI) is 1801813977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is James Couperus's specialty?: James Couperus is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
Where is James Couperus located?: James Couperus's practice location on file with NPPES is 11370 Anderson St, Loma Linda, CA 92354-3450.
What is James Couperus's phone number?: The practice phone number listed in the NPPES registry for James Couperus is (909) 558-2191.
Is James Couperus's NPI active?: Yes — James Couperus's NPI (1801813977) is active in the NPPES registry as of the last update on 2008-04-28.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.