MR. JOSEPH KWOK CHOW
NPI 1245381847
Counselor - Mental Health in Napa, CA

NPI Status: Active since January 12, 2007

Contact Information

2261 ELM ST
NAPA, CA
ZIP 94559
Phone: (707) 253-4785

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  • Individual
  • Male
  • Counselor
  • Mental Health

About JOSEPH CHOW

This page provides the complete NPI Profile along with additional information for Joseph Chow, a provider established in Napa, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1245381847 assigned on January 2007. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1245381847
Provider Name
MR. JOSEPH KWOK CHOW
Gender
Male
Entity Type
Individual
Location Address
2261 ELM ST NAPA, CA 94559
Location Phone
(707) 253-4785
Mailing Address
129 ALTA DR PETALUMA, CA 94954
Mailing Phone
(707) 769-1234
Is Sole Proprietor?
Yes
Enumeration Date
01-12-2007
Last Update Date
07-08-2007
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A mental health counselor like Joseph Chow provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

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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 1245381847, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
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 4 → 8 3 → 6 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 6 + 8 + 2 + 8 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1245381847.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
2261 ELM ST, BUILDING D
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST, COUNTY OF NAPA HHSA, CFBH
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Licensed Psychiatric Technician
2261 ELM ST
NAPA, CA 94559
Counselor
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST, BLDG. H
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST
NAPA, CA 94559
Marriage & Family Therapist
2261 ELM ST
NAPA, CA 94559
Psychologist (Clinical)
2261 ELM ST, BUILDING E
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST
NAPA, CA 94559
Social Worker
2261 ELM ST
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST, BUILDING C
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST, NAPA
NAPA, CA 94559
Counselor (Addiction (Substance Use Disorder))
2261 ELM ST, BUILDING C
NAPA, CA 94559
Social Worker (Clinical)
2261 ELM ST
NAPA, CA 94559
Counselor (Mental Health)
2261 ELM ST
NAPA, CA 94559

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245381847, enumerated as an "individual" on January 12, 2007.

The provider is located at 2261 ELM ST NAPA, CA 94559 and the phone number is (707) 253-4785.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.