Jonathon Weisz, MD
NPI 1841259298 · Pediatrics Physician · Covina, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathon Weisz, MD is a Pediatrics Physician provider in Covina, CA (NPI 1841259298).
Provider details
- NPI number
- 1841259298
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G74937 (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
20 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
- 2006-03-22
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Jonathon Weisz's NPI number?
- Jonathon Weisz's National Provider Identifier (NPI) is 1841259298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathon Weisz's specialty?
- Jonathon Weisz is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathon Weisz located?
- Jonathon Weisz's practice location on file with NPPES is 420 W Rowland St, Covina, CA 91723-2943.
- What is Jonathon Weisz's phone number?
- The practice phone number listed in the NPPES registry for Jonathon Weisz is (626) 331-6411.
- Does Jonathon Weisz accept Medicare?
- Jonathon Weisz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathon Weisz's NPI active?
- Yes — Jonathon Weisz's NPI (1841259298) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.