Jennifer Jocson Duffield, MD
NPI 1497821482 · Pediatrics Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Jocson Duffield, MD is a Pediatrics Physician provider in San Diego, CA (NPI 1497821482).
Provider details
- NPI number
- 1497821482
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A97630 (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
- 2006-11-28
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Jennifer Jocson Duffield's NPI number?
- Jennifer Jocson Duffield's National Provider Identifier (NPI) is 1497821482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Jocson Duffield's specialty?
- Jennifer Jocson Duffield is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Jocson Duffield located?
- Jennifer Jocson Duffield's practice location on file with NPPES is 4405 Vandever Ave, San Diego, CA 92120-3315.
- What is Jennifer Jocson Duffield's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Jocson Duffield is (800) 290-5000.
- Does Jennifer Jocson Duffield accept Medicare?
- Jennifer Jocson Duffield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Jocson Duffield's NPI active?
- Yes — Jennifer Jocson Duffield's NPI (1497821482) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.