MR. CHANG Y LUN ASW
NPI 1366565889
Counselor in San Francisco, CA

NPI Status: Active since April 09, 2007

Contact Information

729 FILBERT ST
SAN FRANCISCO, CA
ZIP 94133
Phone: (415) 352-2000
Fax: (415) 352-2050

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  • Individual
  • Male
  • Counselor

About CHANG LUN

This page provides the complete NPI Profile along with additional information for Chang Lun, a provider established in San Francisco, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1366565889 assigned on April 2007. The practitioner's primary taxonomy code is 101Y00000X with license number ASW14285 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1366565889
Provider Name
MR. CHANG Y LUN ASW
Gender
Male
Entity Type
Individual
Location Address
729 FILBERT ST SAN FRANCISCO, CA 94133
Location Phone
(415) 352-2000
Location Fax
(415) 352-2050
Mailing Address
729 FILBERT ST SAN FRANCISCO, CA 94133
Mailing Phone
(415) 352-2000
Mailing Fax
(415) 352-2050
Is Sole Proprietor?
No
Enumeration Date
04-09-2007
Last Update Date
07-16-2007
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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

Counselor

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
ASW14285
License State
CA
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
3746OTHER (01)CBHS INTERNAL USE ONLY-COMMERCIAL NUMBER
3746OTHER (01)SFGH INTERNAL USE ONLY

Reviews for MR. CHANG Y LUN ASW

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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 1366565889, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 6 → 12 → 3 5 → 10 → 1 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 0 + 6 + 1 + 0 + 8 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1366565889.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Psychiatry & Neurology (Psychiatry)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Psychiatry & Neurology (Psychiatry)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Registered Nurse
729 FILBERT ST
SAN FRANCISCO, CA 94133
Registered Nurse
729 FILBERT ST
SAN FRANCISCO, CA 94133
Marriage & Family Therapist
729 FILBERT ST
SAN FRANCISCO, CA 94133
Marriage & Family Therapist
729 FILBERT ST
SAN FRANCISCO, CA 94133
Counselor
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Registered Nurse
729 FILBERT ST
SAN FRANCISCO, CA 94133
Marriage & Family Therapist
729 FILBERT ST
SAN FRANCISCO, CA 94133
Acupuncturist
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Counselor
729 FILBERT ST
SAN FRANCISCO, CA 94133
Social Worker (Clinical)
729 FILBERT ST
SAN FRANCISCO, CA 94133
Case Manager/Care Coordinator
729 FILBERT ST
SAN FRANCISCO, CA 94133

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366565889, enumerated as an "individual" on April 09, 2007.

The provider is located at 729 FILBERT ST SAN FRANCISCO, CA 94133 and the phone number is (415) 352-2000.

Counselor with taxonomy code 101Y00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.