DR. WILLIAM FERRIER DVM
NPI 1114392305
Veterinarian in Davis, CA

NPI Status: Active since December 14, 2015

Contact Information

1 SHIELDS AVE
CLAS HEADQUARTERS
DAVIS, CA
ZIP 95616
Phone: (530) 661-3577

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  • Individual
  • Male
  • Veterinarian

About WILLIAM FERRIER

This page provides the complete NPI Profile along with additional information for William Ferrier, a provider established in Davis, California with a medical specialization in Veterinarian. The healthcare provider is registered in the NPI registry with number 1114392305 assigned on December 2015. The practitioner's primary taxonomy code is 174M00000X with license number 9230 (CA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1114392305
Provider Name
DR. WILLIAM FERRIER DVM
Gender
Male
Entity Type
Individual
Location Address
1 SHIELDS AVE CLAS HEADQUARTERS DAVIS, CA 95616
Location Phone
(530) 661-3577
Mailing Address
PO BOX 8086 WOODLAND, CA 95776
Mailing Phone
(530) 661-3577
Is Sole Proprietor?
Yes
Enumeration Date
12-14-2015
Last Update Date
12-14-2015
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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

Veterinarian

Taxonomy Code
174M00000X
Type
Other Service Providers
License No.
9230
License State
CA
Taxonomy Description
A doctor of veterinary medicine, trained and authorized to practice veterinarian medicine and surgery.

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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 1114392305, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
0
Doubled → 0
Check
5
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 1 → 2 3 → 6 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 2 + 4 + 6 + 9 + 4 + 3 + 0 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1114392305.

Other Providers at the Same Location


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

Specialist/Technologist, Pathology (Laboratory Management)
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA DAVIS
DAVIS, CA 95616
Specialist/Technologist (Athletic Trainer)
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Specialist/Technologist (Athletic Trainer)
1 SHIELDS AVE, ATHLETIC DEPT. UNIVERSITY OF CALIFORNIA
DAVIS, CA 95616
Nurse Practitioner
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine
1 SHIELDS AVE
DAVIS, CA 95616
Family Medicine (Adult Medicine)
1 SHIELDS AVE
DAVIS, CA 95616
Specialist
1 SHIELDS AVE
DAVIS, CA 95616
Internal Medicine (Adolescent Medicine)
1 SHIELDS AVE, COWELL HEALTH CENTER
DAVIS, CA 95616
Internal Medicine
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Psychiatry & Neurology (Neurology)
1 SHIELDS AVE
DAVIS, CA 95616
Psychiatry & Neurology (Psychiatry)
1 SHIELDS AVE
DAVIS, CA 95616
Physical Therapist
1 SHIELDS AVE, COWELL STUDENT HEALTH CENTER
DAVIS, CA 95616
Physical Therapist
1 SHIELDS AVE
DAVIS, CA 95616
Physical Therapist
1 SHIELDS AVE, COWELL STUDENT HEALTH CENTER
DAVIS, CA 95616
Psychologist
1 SHIELDS AVE, UNIVERSITY OF CALIFORNIA, DAVIS (CAPS)
DAVIS, CA 95616
Psychologist (Counseling)
1 SHIELDS AVE, CAPS, 219 NORTH HALL, UNIVERSITY OF CALIFORNIA, DAVIS
DAVIS, CA 95616
Psychologist (Clinical)
1 SHIELDS AVE, CAPS
DAVIS, CA 95616
Psychologist
1 SHIELDS AVE, CAPS, UC DAVIS
DAVIS, CA 95616

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114392305, enumerated as an "individual" on December 14, 2015.

The provider is located at 1 SHIELDS AVE CLAS HEADQUARTERS DAVIS, CA 95616 and the phone number is (530) 661-3577.

Veterinarian with taxonomy code 174M00000X.