WILLIAM CHOW DO
NPI 1700082179
Clinic/Center - Medical Specialty in San Leandro, CA

NPI Status: Active since June 22, 2007

Contact Information

13851 E 14TH ST
SUITE 308
SAN LEANDRO, CA
ZIP 94578
Phone: (510) 895-0510
Fax: (510) 895-5887

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  • Organization
  • Clinic/Center
  • Medical Specialty

About WILLIAM CHOW DO

This page provides the complete NPI Profile along with additional information for William Chow Do, a provider established in San Leandro, California operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1700082179 assigned on June 2007. The practitioner's primary taxonomy code is 261QM2500X with license number 20A4862 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Dr. William C Chow Do (Dermatologist)

NPI
1700082179
Provider Name
WILLIAM CHOW DO
Entity Type
Organization
Location Address
13851 E 14TH ST SUITE 308 SAN LEANDRO, CA 94578
Location Phone
(510) 895-0510
Location Fax
(510) 895-5887
Mailing Address
13851 E 14TH ST SUITE 308 SAN LEANDRO, CA 94578
Mailing Phone
(510) 895-0510
Mailing Fax
(510) 895-5887
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-22-2007
Last Update Date
08-22-2020
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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

Clinic/Center Medical Specialty

Taxonomy Code
261QM2500X
Type
Ambulatory Health Care Facilities
License No.
20A4862
License State
CA
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. WILLIAM C CHOW DO

Authorized Official Title
DERMATOLOGIST
Authorized Official Phone
(510) 895-0510

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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 1700082179, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 0 → 0 0 → 0 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 0 + 8 + 4 + 1 + 1 + 4 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1700082179.

Other Providers at the Same Location


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

Emergency Medicine
13851 E 14TH ST, SUITE 102
SAN LEANDRO, CA 94578
Family Medicine (Geriatric Medicine)
13851 E 14TH ST, SUITE 102
SAN LEANDRO, CA 94578
Family Medicine (Geriatric Medicine)
13851 E 14TH ST
SAN LEANDRO, CA 94578
Specialist
13851 E 14TH ST, 206
SAN LEANDRO, CA 94578
Nurse Practitioner (Adult Health)
13851 E 14TH ST, SUITE 206
SAN LEANDRO, CA 94578
Specialist
13851 E 14TH ST
SAN LEANDRO, CA 94578
Surgery (Vascular Surgery)
13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578
Surgery (Vascular Surgery)
13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578
Surgery (Vascular Surgery)
13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578
Internal Medicine (Rheumatology)
13851 E 14TH ST, STE 301
SAN LEANDRO, CA 94578
Family Medicine
13851 E 14TH ST, SUITE 200
SAN LEANDRO, CA 94578
Psychologist (Clinical)
13851 E 14TH ST, STE. 203
SAN LEANDRO, CA 94578
Dietitian, Registered
13851 E 14TH ST, SUITE 102
SAN LEANDRO, CA 94578
Surgery (Vascular Surgery)
13851 E 14TH ST, SUITE 202
SAN LEANDRO, CA 94578
Podiatrist
13851 E 14TH ST, STE 308
SAN LEANDRO, CA 94578
Clinical Nurse Specialist (Adult Health)
13851 E 14TH ST, STE 305
SAN LEANDRO, CA 94578
Dietitian, Registered
13851 E 14TH ST, STE 305
SAN LEANDRO, CA 94578
Internal Medicine
13851 E 14TH ST, SUITE 305
SAN LEANDRO, CA 94578
Internal Medicine
13851 E 14TH ST, #305
SAN LEANDRO, CA 94578
Acupuncturist
13851 E 14TH ST, SUITE 203
SAN LEANDRO, CA 94578

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700082179, enumerated as an "organization" on June 22, 2007.

The provider is located at 13851 E 14TH ST SUITE 308 SAN LEANDRO, CA 94578 and the phone number is (510) 895-0510.

Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.