Scott Changchien, M.D.
NPI 1902850555 · Obstetrics & Gynecology Physician · Oxnard, CA
Scott Changchien, M.D. is a Obstetrics & Gynecology Physician provider in Oxnard, CA (NPI 1902850555).
Provider details
- NPI number
- 1902850555
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C51871 (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
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
- 2006-05-19
- Last updated
- 2012-09-14
Frequently asked questions
- What is Scott Changchien's NPI number?
- Scott Changchien's National Provider Identifier (NPI) is 1902850555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Scott Changchien's specialty?
- Scott Changchien is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Scott Changchien located?
- Scott Changchien's practice location on file with NPPES is 3641 W 5th St, Oxnard, CA 93030-6424.
- What is Scott Changchien's phone number?
- The practice phone number listed in the NPPES registry for Scott Changchien is (805) 985-5505.
- Is Scott Changchien's NPI active?
- Yes — Scott Changchien's NPI (1902850555) is active in the NPPES registry as of the last update on 2012-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.