Inland Gastroenterology Group Inc
NPI 1033809249 · Gastroenterology Physician · Chino, CA
Inland Gastroenterology Group Inc is a Gastroenterology Physician organization in Chino, CA (NPI 1033809249).
Provider details
- NPI number
- 1033809249
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Honzen Ou, President(909) 573-6031
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Mailing address
Registry dates
- Enumerated
- 2023-05-10
- Last updated
- 2023-05-10
- Certified
- 2023-05-10
Frequently asked questions
- What is Inland Gastroenterology Group Inc's NPI number?
- Inland Gastroenterology Group Inc's National Provider Identifier (NPI) is 1033809249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Inland Gastroenterology Group Inc?
- Inland Gastroenterology Group Inc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Inland Gastroenterology Group Inc located?
- Inland Gastroenterology Group Inc's practice location on file with NPPES is 5562 Philadelphia St Ste 200, Chino, CA 91710-2482.
- What is Inland Gastroenterology Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Inland Gastroenterology Group Inc is (909) 573-6031.
- Who is the authorized official for Inland Gastroenterology Group Inc?
- The authorized official listed on Inland Gastroenterology Group Inc's NPPES record is Honzen Ou, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Inland Gastroenterology Group Inc's NPI active?
- Yes — Inland Gastroenterology Group Inc's NPI (1033809249) is active in the NPPES registry as of the last update on 2023-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.