Crystal Cu
NPI 1639609001 · Occupational Therapist · Santa Clara, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Cu is a Occupational Therapist provider in Santa Clara, CA (NPI 1639609001).
Provider details
- NPI number
- 1639609001
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 30 Avenue PortolaSuite C &dEl Granada, CA 94018Phone: (650) 576-5630
- 425 Divisadero St Ste 300San Francisco, CA 94117-2242Phone: (415) 551-0975
- 3555 Whipple Rd Bldg aUnion City, CA 94587-1507Phone: (650) 675-4289
Registry dates
- Enumerated
- 2017-06-18
- Last updated
- 2025-03-07
- Certified
- 2025-03-07
Frequently asked questions
- What is Crystal Cu's NPI number?
- Crystal Cu's National Provider Identifier (NPI) is 1639609001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Cu's specialty?
- Crystal Cu is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Crystal Cu located?
- Crystal Cu's practice location on file with NPPES is 700 Lawrence Expy Dept 174, Santa Clara, CA 95051-5173.
- What is Crystal Cu's phone number?
- The practice phone number listed in the NPPES registry for Crystal Cu is (408) 851-1000.
- Does Crystal Cu accept Medicare?
- Crystal Cu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Cu's NPI active?
- Yes — Crystal Cu's NPI (1639609001) is active in the NPPES registry as of the last update on 2025-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.