Frank Chieu, M.D.
NPI 1235203647 · Nephrology Physician · Oxnard, CA
Frank Chieu, M.D. is a Nephrology Physician provider in Oxnard, CA (NPI 1235203647).
Provider details
- NPI number
- 1235203647
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G25762 (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
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
- 2006-11-17
- Last updated
- 2010-01-14
Frequently asked questions
- What is Frank Chieu's NPI number?
- Frank Chieu's National Provider Identifier (NPI) is 1235203647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Chieu's specialty?
- Frank Chieu is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Chieu located?
- Frank Chieu's practice location on file with NPPES is 1200 W Gonzales Rd, Oxnard, CA 93036-3072.
- What is Frank Chieu's phone number?
- The practice phone number listed in the NPPES registry for Frank Chieu is (805) 278-9094.
- Is Frank Chieu's NPI active?
- Yes — Frank Chieu's NPI (1235203647) is active in the NPPES registry as of the last update on 2010-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.