Krystal Siu
NPI 1912597543 · Mental Health Counselor · Long Beach, CA
Krystal Siu is a Mental Health Counselor provider in Long Beach, CA (NPI 1912597543).
Provider details
- NPI number
- 1912597543
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 98072 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
5 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
- 2021-01-18
- Last updated
- 2022-02-17
- Certified
- 2022-02-17
Frequently asked questions
- What is Krystal Siu's NPI number?
- Krystal Siu's National Provider Identifier (NPI) is 1912597543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krystal Siu's specialty?
- Krystal Siu is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Krystal Siu located?
- Krystal Siu's practice location on file with NPPES is 1501 Hughes Way Ste 150, Long Beach, CA 90810-1878.
- What is Krystal Siu's phone number?
- The practice phone number listed in the NPPES registry for Krystal Siu is (310) 221-6336.
- Is Krystal Siu's NPI active?
- Yes — Krystal Siu's NPI (1912597543) is active in the NPPES registry as of the last update on 2022-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.