WILLIAM RUSSELL MCCANDLESS CHC
NPI 1164305249
Health and Wellness Coach in Lafayette, CA

NPI Status: Active since July 28, 2025

Contact Information

936 DEWING AVE
LAFAYETTE, CA
ZIP 94549
Phone: (510) 501-0022

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  • Individual
  • Male
  • Health and Wellness Coach

About WILLIAM MCCANDLESS

This page provides the complete NPI Profile along with additional information for William Mccandless, a provider established in Lafayette, California with a medical specialization in Health And Wellness Coach. The healthcare provider is registered in the NPI registry with number 1164305249 assigned on July 2025. The practitioner's primary taxonomy code is 171400000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1164305249
Provider Name
WILLIAM RUSSELL MCCANDLESS CHC
Gender
Male
Entity Type
Individual
Location Address
936 DEWING AVE LAFAYETTE, CA 94549
Location Phone
(510) 501-0022
Mailing Address
24 OLYMPIC OAKS DR LAFAYETTE, CA 94549
Mailing Phone
(510) 501-0022
Is Sole Proprietor?
No
Enumeration Date
07-28-2025
Last Update Date
07-28-2025
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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

Health and Wellness Coach

Taxonomy Code
171400000X
Type
Other Service Providers
Taxonomy Description
The Health & Wellness Coach is trained in motivational theories, strategies, and communication techniques, which are used to assist patients to develop intrinsic motivation and obtain skills to create sustainable change for improved health and well-being. Health and wellness coaching is a patient-centered approach wherein patients at least partially determine their goals, use self-discovery or active learning processes together with content education to work toward their goals, and self-monitor behaviors to increase accountability, all within the context of an interpersonal relationship with a coach.

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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 1164305249, 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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
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 3 → 6 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 6 + 0 + 1 + 0 + 2 + 8 + 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 1164305249.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Marriage & Family Therapist
936 DEWING AVE, SUITE M
LAFAYETTE, CA 94549
Psychologist (Clinical)
936 DEWING AVE
LAFAYETTE, CA 94549
Psychologist
936 DEWING AVE, SUITE N
LAFAYETTE, CA 94549
Counselor (Mental Health)
936 DEWING AVE, STE. E
LAFAYETTE, CA 94549
Technician, Pathology (Phlebotomy)
936 DEWING AVE
LAFAYETTE, CA 94549

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164305249, enumerated as an "individual" on July 28, 2025.

The provider is located at 936 DEWING AVE LAFAYETTE, CA 94549 and the phone number is (510) 501-0022.

Health and Wellness Coach with taxonomy code 171400000X.