Ryan Yamanaka, DDS
NPI 1912111261 · Endodontics · Livermore, CA
Enrolled with Medicare as Order and Referring Only - Other (physician) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Yamanaka, DDS is a Endodontics provider in Livermore, CA (NPI 1912111261).
Provider details
- NPI number
- 1912111261
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 47829 (CA)
Specialties & taxonomies
Dental Providers
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
- 2007-05-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ryan Yamanaka's NPI number?
- Ryan Yamanaka's National Provider Identifier (NPI) is 1912111261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Yamanaka's specialty?
- Ryan Yamanaka is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is Ryan Yamanaka located?
- Ryan Yamanaka's practice location on file with NPPES is 1378 Concannon Blvd, Livermore, CA 94550-6004.
- What is Ryan Yamanaka's phone number?
- The practice phone number listed in the NPPES registry for Ryan Yamanaka is (925) 443-8822.
- Does Ryan Yamanaka accept Medicare?
- Ryan Yamanaka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Yamanaka's NPI active?
- Yes — Ryan Yamanaka's NPI (1912111261) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.