Katie Sy
NPI 1992657340 · Marriage & Family Therapist · Rancho Cucamonga, CA
Katie Sy is a Marriage & Family Therapist provider in Rancho Cucamonga, CA (NPI 1992657340).
Provider details
- NPI number
- 1992657340
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 156155 (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
Under 1 yr in 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
- 2026-02-10
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Katie Sy's NPI number?
- Katie Sy's National Provider Identifier (NPI) is 1992657340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Sy's specialty?
- Katie Sy is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Katie Sy located?
- Katie Sy's practice location on file with NPPES is Po Box 8813, Rancho Cucamonga, CA 91701-0813.
- What is Katie Sy's phone number?
- The practice phone number listed in the NPPES registry for Katie Sy is (323) 917-2322.
- Is Katie Sy's NPI active?
- Yes — Katie Sy's NPI (1992657340) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.