What is Dereck De Leon's NPI number?

Dereck De Leon's National Provider Identifier (NPI) is 1255489100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dereck De Leon's specialty?

Dereck De Leon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Dereck De Leon located?

Dereck De Leon's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.

What is Dereck De Leon's phone number?

The practice phone number listed in the NPPES registry for Dereck De Leon is (619) 528-5000.

Is Dereck De Leon's NPI active?

Yes — Dereck De Leon's NPI (1255489100) is active in the NPPES registry as of the last update on 2008-09-23.

IndividualActive

Dereck De Leon, MD

NPI 1255489100 · Family Medicine Physician · San Diego, CA

Dereck De Leon, MD is a Family Medicine Physician provider in San Diego, CA (NPI 1255489100).

Provider details

NPI number: 1255489100
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: G69380 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense G69380 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 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

4647 Zion Ave

San Diego, CA 92120-2507

Phone: (619) 528-5000

Street-level locationGet directions

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Mailing address