Lynn Yamamoto, M.S., M.F.T.
NPI 1104045434 · Marriage & Family Therapist · Diamond Bar, CA
Lynn Yamamoto, M.S., M.F.T. is a Marriage & Family Therapist provider in Diamond Bar, CA (NPI 1104045434).
Provider details
- NPI number
- 1104045434
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S., M.F.T.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC20455 (CA)
Specialties & taxonomies
Behavioral Health & Social Service 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
- 2007-04-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lynn Yamamoto's NPI number?
- Lynn Yamamoto's National Provider Identifier (NPI) is 1104045434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Yamamoto's specialty?
- Lynn Yamamoto is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Lynn Yamamoto located?
- Lynn Yamamoto's practice location on file with NPPES is 1200 S Diamond Bar Blvd, Diamond Bar, CA 91765-2298.
- What is Lynn Yamamoto's phone number?
- The practice phone number listed in the NPPES registry for Lynn Yamamoto is (909) 396-6888.
- Is Lynn Yamamoto's NPI active?
- Yes — Lynn Yamamoto's NPI (1104045434) 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.