MS. CRYSTAL LEUNG
NPI 1831346147
Case Manager/Care Coordinator in San Francisco, CA

NPI Status: Active since August 19, 2008

Contact Information

4020 BALBOA ST
SAN FRANCISCO, CA
ZIP 94121
Phone: (415) 668-5998

Get Directions Write a Review

  • Individual
  • Female
  • Case Manager/Care Coordinator

About CRYSTAL LEUNG

This page provides the complete NPI Profile along with additional information for Crystal Leung, a provider established in San Francisco, California with a medical specialization in Case Manager/care Coordinator. The healthcare provider is registered in the NPI registry with number 1831346147 assigned on August 2008. The practitioner's primary taxonomy code is 171M00000X. The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1831346147
Provider Name
MS. CRYSTAL LEUNG
Gender
Female
Entity Type
Individual
Location Address
4020 BALBOA ST SAN FRANCISCO, CA 94121
Location Phone
(415) 668-5998
Mailing Address
5350 PACHECO MNR PACHECO, CA 94553
Mailing Phone
(925) 323-8020
Is Sole Proprietor?
No
Enumeration Date
08-19-2008
Last Update Date
08-19-2008
Code Navigator

Location Map

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

Case Manager/Care Coordinator

Taxonomy Code
171M00000X
Type
Other Service Providers
Taxonomy Description
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.

Reviews for MS. CRYSTAL LEUNG

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1831346147, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 3 → 6 6 → 12 → 3 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 6 + 4 + 1 + 2 + 1 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1831346147.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Community/Behavioral Health
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Counselor (Mental Health)
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Social Worker (Clinical)
4020 BALBOA ST, GROUND FLOOR,
SAN FRANCISCO, CA 94121
Marriage & Family Therapist
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Case Manager/Care Coordinator
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Marriage & Family Therapist
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Social Worker (Clinical)
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Psychologist (Clinical)
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Marriage & Family Therapist
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Counselor
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Psychologist
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Counselor (Mental Health)
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Psychologist
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Marriage & Family Therapist
4020 BALBOA ST
SAN FRANCISCO, CA 94121
Marriage & Family Therapist
4020 BALBOA ST
SAN FRANCISCO, CA 94121

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831346147, enumerated as an "individual" on August 19, 2008.

The provider is located at 4020 BALBOA ST SAN FRANCISCO, CA 94121 and the phone number is (415) 668-5998.

Case Manager/Care Coordinator with taxonomy code 171M00000X.