Yin Siu, LMFT
NPI 1255540118 · Marriage & Family Therapist · Berkeley, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yin Siu, LMFT is a Marriage & Family Therapist provider in Berkeley, CA (NPI 1255540118).
Provider details
- NPI number
- 1255540118
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 49715 (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
- 2007-05-21
- Last updated
- 2023-05-09
- Certified
- 2023-05-09
Frequently asked questions
- What is Yin Siu's NPI number?
- Yin Siu's National Provider Identifier (NPI) is 1255540118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yin Siu's specialty?
- Yin Siu is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Yin Siu located?
- Yin Siu's practice location on file with NPPES is 2640 Martin Luther King Jr Way, Berkeley, CA 94704-3238.
- What is Yin Siu's phone number?
- The practice phone number listed in the NPPES registry for Yin Siu is (510) 981-5290.
- Does Yin Siu accept Medicare?
- Yin Siu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yin Siu's NPI active?
- Yes — Yin Siu's NPI (1255540118) is active in the NPPES registry as of the last update on 2023-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.