What is Roy Liu's NPI number?

Roy Liu's National Provider Identifier (NPI) is 1033408372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Roy Liu's specialty?

Roy Liu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Roy Liu located?

Roy Liu's practice location on file with NPPES is 11234 Anderson St Rm 1556, Loma Linda, CA 92354-2804.

What is Roy Liu's phone number?

The practice phone number listed in the NPPES registry for Roy Liu is (909) 558-4905.

Is Roy Liu's NPI active?

Yes — Roy Liu's NPI (1033408372) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActive

Roy Liu, M.D.

NPI 1033408372 · Gastroenterology Physician · Loma Linda, CA

Roy Liu, M.D. is a Gastroenterology Physician provider in Loma Linda, CA (NPI 1033408372).

Provider details

NPI number: 1033408372
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A146299 (CA)

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense A146299 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(82/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
15 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

11234 Anderson St Rm 1556

Loma Linda, CA 92354-2804

Phone: (909) 558-4905

Fax: (909) 558-0274

Street-level locationGet directions

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Mailing address