DR. WILLIAM R FRIZZELL PHARM.D.
NPI 1437342144
Pharmacist - Ambulatory Care in Louisville, KY

NPI Status: Active since August 26, 2007

Contact Information

800 ZORN AVE
LOUISVILLE, KY
ZIP 40206
Phone: (502) 287-6180
Fax: (502) 287-6967

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  • Individual
  • Male
  • Pharmacist
  • Ambulatory Care

About WILLIAM FRIZZELL

This page provides the complete NPI Profile along with additional information for William Frizzell, a provider established in Louisville, Kentucky with a medical specialization in Pharmacist, focusing in ambulatory care . The healthcare provider is registered in the NPI registry with number 1437342144 assigned on August 2007. The practitioner's primary taxonomy code is 1835P2201X with license number PS0032600 (FL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1437342144
Provider Name
DR. WILLIAM R FRIZZELL PHARM.D.
Gender
Male
Entity Type
Individual
Location Address
800 ZORN AVE LOUISVILLE, KY 40206
Location Phone
(502) 287-6180
Location Fax
(502) 287-6967
Mailing Address
3711 CYPRESS SPRINGS PL LOUISVILLE, KY 40245
Mailing Phone
(321) 368-2045
Is Sole Proprietor?
No
Enumeration Date
08-26-2007
Last Update Date
07-21-2025
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A pharmacist like William Frizzell fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

Location Map

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

Pharmacist Ambulatory Care

Taxonomy Code
1835P2201X
Type
Pharmacy Service Providers
License No.
PS0032600
License State
FL
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in the provision of integrated, accessible health care services by pharmacists and is accountable for addressing medication needs, developing sustained partnerships with patients, and practicing in the context of family and community.

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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 1437342144, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 6 + 4 + 4 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1437342144.

Other Providers at the Same Location


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

Nurse Practitioner (Adult Health)
800 ZORN AVE
LOUISVILLE, KY 40206
Internal Medicine (Hematology & Oncology)
800 ZORN AVE, VA MEDICAL CENTER; BLDG 5-5109
LOUISVILLE, KY 40206
Psychologist (Clinical)
800 ZORN AVE
LOUISVILLE, KY 40206
Physician Assistant
800 ZORN AVE
LOUISVILLE, KY 40206
Audiologist (Assistive Technology Practitioner)
800 ZORN AVE, 126
LOUISVILLE, KY 40206
Prosthetist
800 ZORN AVE
LOUISVILLE, KY 40206
Social Worker (Clinical)
800 ZORN AVE, DEPT. 116D
LOUISVILLE, KY 40206
Psychologist (Counseling)
800 ZORN AVE
LOUISVILLE, KY 40206
Psychologist (Clinical)
800 ZORN AVE, 116D
LOUISVILLE, KY 40206
Contractor
800 ZORN AVE
LOUISVILLE, KY 40206
Pharmacist
800 ZORN AVE, VA MEDICAL CENTER
LOUISVILLE, KY 40206
Psychiatry & Neurology (Psychiatry)
800 ZORN AVE
LOUISVILLE, KY 40206
Social Worker
800 ZORN AVE
LOUISVILLE, KY 40206
Physical Therapist
800 ZORN AVE
LOUISVILLE, KY 40206
Social Worker (Clinical)
800 ZORN AVE
LOUISVILLE, KY 40206
Physical Therapist
800 ZORN AVE
LOUISVILLE, KY 40206
Social Worker (Clinical)
800 ZORN AVE
LOUISVILLE, KY 40206
Physical Therapist
800 ZORN AVE
LOUISVILLE, KY 40206
Registered Nurse (Psychiatric/Mental Health, Adult)
800 ZORN AVE
LOUISVILLE, KY 40206
Psychiatry & Neurology (Psychiatry)
800 ZORN AVE
LOUISVILLE, KY 40206

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437342144, enumerated as an "individual" on August 26, 2007.

The provider is located at 800 ZORN AVE LOUISVILLE, KY 40206 and the phone number is (502) 287-6180.

Pharmacist with taxonomy code 1835P2201X and a focus in Ambulatory Care.