Honzen Ou, M.D.
NPI 1215017413 · Surgery Physician · Chino, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Honzen Ou, M.D. is a Surgery Physician provider in Chino, CA (NPI 1215017413).
Provider details
- NPI number
- 1215017413
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A30984 (CA)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2010-03-17
Frequently asked questions
- What is Honzen Ou's NPI number?
- Honzen Ou's National Provider Identifier (NPI) is 1215017413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Honzen Ou's specialty?
- Honzen Ou is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Honzen Ou located?
- Honzen Ou's practice location on file with NPPES is 13768 Roswell Ave., Chino, CA 91710.
- What is Honzen Ou's phone number?
- The practice phone number listed in the NPPES registry for Honzen Ou is (909) 464-9119.
- Does Honzen Ou accept Medicare?
- Honzen Ou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Honzen Ou's NPI active?
- Yes — Honzen Ou's NPI (1215017413) is active in the NPPES registry as of the last update on 2010-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.