Christopher Olonan, MD
NPI 1013050541 · Internal Medicine Physician · San Diego, CA
Christopher Olonan, MD is a Internal Medicine Physician provider in San Diego, CA (NPI 1013050541).
Provider details
- NPI number
- 1013050541
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A88005 (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
- 2007-02-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Olonan's NPI number?
- Christopher Olonan's National Provider Identifier (NPI) is 1013050541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Olonan's specialty?
- Christopher Olonan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Olonan located?
- Christopher Olonan's practice location on file with NPPES is 1835 El Cajon Boulevard, San Diego, CA 92103.
- What is Christopher Olonan's phone number?
- The practice phone number listed in the NPPES registry for Christopher Olonan is (619) 688-9000.
- Is Christopher Olonan's NPI active?
- Yes — Christopher Olonan's NPI (1013050541) 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.