Chun-Nan Chen, M.D.
NPI 1558305623 · Surgery Physician · Oxnard, CA
Chun-Nan Chen, M.D. is a Surgery Physician provider in Oxnard, CA (NPI 1558305623).
Provider details
- NPI number
- 1558305623
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A36280 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2010-12-25
Frequently asked questions
- What is Chun-Nan Chen's NPI number?
- Chun-Nan Chen's National Provider Identifier (NPI) is 1558305623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chun-Nan Chen's specialty?
- Chun-Nan Chen is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Chun-Nan Chen located?
- Chun-Nan Chen's practice location on file with NPPES is 1700 N Rose Ave # 135c, Oxnard, CA 93030-3790.
- What is Chun-Nan Chen's phone number?
- The practice phone number listed in the NPPES registry for Chun-Nan Chen is (805) 981-9860.
- Is Chun-Nan Chen's NPI active?
- Yes — Chun-Nan Chen's NPI (1558305623) is active in the NPPES registry as of the last update on 2010-12-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.