Jon Yamamoto, MD
NPI 1619932928 · Neonatal-Perinatal Medicine Physician · Torrance, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Yamamoto, MD is a Neonatal-Perinatal Medicine Physician provider in Torrance, CA (NPI 1619932928).
Provider details
- NPI number
- 1619932928
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G60540 (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
- 2006-04-19
- Last updated
- 2007-07-09
Frequently asked questions
- What is Jon Yamamoto's NPI number?
- Jon Yamamoto's National Provider Identifier (NPI) is 1619932928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Yamamoto's specialty?
- Jon Yamamoto is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Yamamoto located?
- Jon Yamamoto's practice location on file with NPPES is 4101 Torrance Blvd, Torrance, CA 90503-4607.
- What is Jon Yamamoto's phone number?
- The practice phone number listed in the NPPES registry for Jon Yamamoto is (310) 543-5974.
- Does Jon Yamamoto accept Medicare?
- Jon Yamamoto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Yamamoto's NPI active?
- Yes — Jon Yamamoto's NPI (1619932928) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.