CHABOT COLLEGE DENTAL CLINIC
NPI 1588727986
Clinic/Center - Dental in Hayward, CA

NPI Status: Active since December 18, 2006

Contact Information

25555 HESPERIAN BLVD
BUILDING #2200
HAYWARD, CA
ZIP 94545
Phone: (510) 723-6900
Fax: (510) 723-7089

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NPPES record last updated: January 22, 2021. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Clinic/Center
  • Dental

About CHABOT COLLEGE DENTAL CLINIC

This page provides the complete NPI Profile along with additional information for Chabot College Dental Clinic, a provider established in Hayward, California operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1588727986 assigned on December 2006. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated 5 years ago. The provider's other name is Chabot College Dental Clinic. The authorized official of this NPI record is Ms. Nancy Cheung Rda, Rdh, Mpa/hsa (Program Director)

NPI
1588727986
Provider Legal Name
CHABOT-LAS POSITAS COMMUNITY COLLEGE DISTRICT
Other Organization Name
CHABOT COLLEGE DENTAL CLINIC
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
25555 HESPERIAN BLVD BUILDING #2200 HAYWARD, CA 94545
Location Phone
(510) 723-6900
Location Fax
(510) 723-7089
Mailing Address
7600 DUBLIN BLVD 3RD FLOOR DUBLIN, CA 94568
Mailing Phone
(925) 485-5208
Mailing Fax
(510) 723-7089
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-18-2006
Last Update Date
01-22-2021
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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 Dental

Taxonomy Code
261QD0000X
Type
Ambulatory Health Care Facilities
License State
CA

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)
1261QD0000XAmbulatory Health Care Facilities

Clinic/Center
Dental

 

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

MS. NANCY CHEUNG RDA, RDH, MPA/HSA

Authorized Official Title
PROGRAM DIRECTOR
Authorized Official Phone
(510) 723-6951

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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 1588727986, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 8 → 16 → 7 7 → 14 → 5 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 1 + 4 + 2 + 1 + 4 + 9 + 1 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1588727986.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
25555 HESPERIAN BLVD
HAYWARD, CA 94545
Clinic/Center (Student Health)
25555 HESPERIAN BLVD
HAYWARD, CA 94545

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588727986, enumerated as an "organization" on December 18, 2006.

The provider is located at 25555 HESPERIAN BLVD BUILDING #2200 HAYWARD, CA 94545 and the phone number is (510) 723-6900.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.