IndividualActive
Masami Hayashi
NPI 1235576620 · Dentist · Carson, CA
Masami Hayashi is a Dentist provider in Carson, CA (NPI 1235576620).
Provider details
- NPI number
- 1235576620
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 54610 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
23517 Main St
Suite102
Carson, CA 90745-5251
Phone: (310) 518-6802
Street-level locationGet directions
Mailing address
23517 Main St
Carson, CA 90745
Registry dates
- Enumerated
- 2013-05-27
- Last updated
- 2016-03-16
Frequently asked questions
- What is Masami Hayashi's NPI number?
- Masami Hayashi's National Provider Identifier (NPI) is 1235576620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Masami Hayashi's specialty?
- Masami Hayashi is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Masami Hayashi located?
- Masami Hayashi's practice location on file with NPPES is 23517 Main St, Carson, CA 90745-5251.
- What is Masami Hayashi's phone number?
- The practice phone number listed in the NPPES registry for Masami Hayashi is (310) 518-6802.
- Is Masami Hayashi's NPI active?
- Yes — Masami Hayashi's NPI (1235576620) is active in the NPPES registry as of the last update on 2016-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.