CRYSTAL GINES CU
NPI 1639609001
Occupational Therapist in Santa Clara, CA

NPI Status: Active since June 18, 2017

Contact Information

700 LAWRENCE EXPY DEPT 174
SANTA CLARA, CA
ZIP 95051
Phone: (408) 851-1000

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  • Individual
  • Female
  • Occupational Therapist

About CRYSTAL CU

This page provides the complete NPI Profile along with additional information for Crystal Cu, a provider established in Santa Clara, California with a medical specialization in Occupational Therapist. The healthcare provider is registered in the NPI registry with number 1639609001 assigned on June 2017. The practitioner's primary taxonomy code is 225X00000X with license number 18639 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1639609001
Provider Name
CRYSTAL GINES CU
Other Name
CRYSTAL GINES
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
700 LAWRENCE EXPY DEPT 174 SANTA CLARA, CA 95051
Location Phone
(408) 851-1000
Mailing Address
820 N DELAWARE ST APT 309 SAN MATEO, CA 94401
Mailing Phone
(209) 915-4105
Is Sole Proprietor?
No
Enumeration Date
06-18-2017
Last Update Date
03-07-2025
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Location Map

Secondary Locations

  • 3555 Whipple Rd Bldg A
    Union City, CA 94587
    (650) 675-4289
  • 425 Divisadero St Ste 300
    San Francisco, CA 94117
    (415) 551-0975
  • 30 Avenue Portola Suite C &D
    El Granada, CA 94018
    (650) 576-5630

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Occupational Therapist

Taxonomy Code
225X00000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
18639
License State
CA
Taxonomy Description
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1639609001, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 6 → 12 → 3 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 6 + 9 + 1 + 2 + 0 + 1 + 8 + 0 + 0 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1639609001.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639609001, enumerated as an "individual" on June 18, 2017.

The provider is located at 700 LAWRENCE EXPY DEPT 174 SANTA CLARA, CA 95051 and the phone number is (408) 851-1000.

Occupational Therapist with taxonomy code 225X00000X.