OrganizationActive
Hayashi DDS Inc.
NPI 1437507977 · Exclusive Provider Organization · Carson, CA
Hayashi DDS Inc. is a Exclusive Provider Organization organization in Carson, CA (NPI 1437507977).
Provider details
- NPI number
- 1437507977
- Entity type
- Organization
- Primary specialty
- Exclusive Provider OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Masami Hayashi, President(310) 518-6802
- License
- 54610 (CA)
Specialties & taxonomies
Managed Care Organizations
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
102
Carson, CA 90745-5251
Phone: (310) 518-6802
Fax: (424) 488-3386
Street-level locationGet directions
Mailing address
23517 Main St
Carson, CA 90745-5251
Registry dates
- Enumerated
- 2016-05-25
- Last updated
- 2016-05-25
Frequently asked questions
- What is Hayashi DDS Inc.'s NPI number?
- Hayashi DDS Inc.'s National Provider Identifier (NPI) is 1437507977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hayashi DDS Inc.?
- Hayashi DDS Inc. is classified in the NPPES registry as Exclusive Provider Organization (Managed Care Organizations).
- Where is Hayashi DDS Inc. located?
- Hayashi DDS Inc.'s practice location on file with NPPES is 23517 Main St, Carson, CA 90745-5251.
- What is Hayashi DDS Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Hayashi DDS Inc. is (310) 518-6802.
- Who is the authorized official for Hayashi DDS Inc.?
- The authorized official listed on Hayashi DDS Inc.'s NPPES record is Masami Hayashi, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hayashi DDS Inc.'s NPI active?
- Yes — Hayashi DDS Inc.'s NPI (1437507977) is active in the NPPES registry as of the last update on 2016-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.