Frederick Watanabe, MD
NPI 1750452702 · Pediatric Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Watanabe, MD is a Pediatric Gastroenterology Physician provider in Los Angeles, CA (NPI 1750452702).
Provider details
- NPI number
- 1750452702
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G71639 (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
- 2006-11-13
- Last updated
- 2021-11-30
Frequently asked questions
- What is Frederick Watanabe's NPI number?
- Frederick Watanabe's National Provider Identifier (NPI) is 1750452702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Watanabe's specialty?
- Frederick Watanabe is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Watanabe located?
- Frederick Watanabe's practice location on file with NPPES is 4733 W Sunset Blvd, Los Angeles, CA 90027-6021.
- What is Frederick Watanabe's phone number?
- The practice phone number listed in the NPPES registry for Frederick Watanabe is (323) 783-4011.
- Does Frederick Watanabe accept Medicare?
- Frederick Watanabe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Watanabe's NPI active?
- Yes — Frederick Watanabe's NPI (1750452702) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.