What is Jonathan Fonseca's NPI number?

Jonathan Fonseca's National Provider Identifier (NPI) is 1558212431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jonathan Fonseca's specialty?

Jonathan Fonseca is listed in the NPPES registry with a primary specialty of Independent Duty Corpsman (Other Service Providers).

Where is Jonathan Fonseca located?

Jonathan Fonseca's practice location on file with NPPES is 34101 Farenholt Ave Bldg 14, San Diego, CA 92134-7000.

What is Jonathan Fonseca's phone number?

The practice phone number listed in the NPPES registry for Jonathan Fonseca is (619) 532-7968.

Is Jonathan Fonseca's NPI active?

Yes — Jonathan Fonseca's NPI (1558212431) is active in the NPPES registry as of the last update on 2026-02-05.

IndividualActive

Jonathan Fonseca

NPI 1558212431 · Independent Duty Corpsman · San Diego, CA

Jonathan Fonseca is a Independent Duty Corpsman provider in San Diego, CA (NPI 1558212431).

Provider details

NPI number: 1558212431
Entity type: Individual
Primary specialty: Independent Duty CorpsmanOther Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Independent Duty CorpsmanPrimary1710I1002X
Other Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

34101 Farenholt Ave Bldg 14

San Diego, CA 92134-7000

Phone: (619) 532-7968

Approximate (ZIP-level) locationGet directions

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Mailing address