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John Billesdon, M.D.
NPI 1184648933 · Gastroenterology Physician · Oxnard, CA
John Billesdon, M.D. is a Gastroenterology Physician provider in Oxnard, CA (NPI 1184648933).
Provider details
- NPI number
- 1184648933
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G22785 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
2241 Wankel Way
Ste. A.
Oxnard, CA 93030-0190
Phone: (805) 983-0521
Fax: (805) 983-4186
Street-level locationGet directions
Mailing address
2241 Wankel Way
Oxnard, CA 93030-0190
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Billesdon's NPI number?
- John Billesdon's National Provider Identifier (NPI) is 1184648933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Billesdon's specialty?
- John Billesdon is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Billesdon located?
- John Billesdon's practice location on file with NPPES is 2241 Wankel Way, Oxnard, CA 93030-0190.
- What is John Billesdon's phone number?
- The practice phone number listed in the NPPES registry for John Billesdon is (805) 983-0521.
- Is John Billesdon's NPI active?
- Yes — John Billesdon's NPI (1184648933) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.