KARIS HINAE JO YUN CHOY
NPI 1003764440
Pharmacist in Flagstaff, AZ

NPI Status: Active since March 20, 2026

Contact Information

2920 N 4TH ST
FLAGSTAFF, AZ
ZIP 86004
Phone: (928) 522-9400

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  • Individual
  • Female
  • Pharmacist

About KARIS CHOY

This page provides the complete NPI Profile along with additional information for Karis Choy, a provider established in Flagstaff, Arizona with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1003764440 assigned on March 2026. The practitioner's primary taxonomy code is 183500000X with license number S027600 (AZ). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1003764440
Provider Name
KARIS HINAE JO YUN CHOY
Gender
Female
Entity Type
Individual
Location Address
2920 N 4TH ST FLAGSTAFF, AZ 86004
Location Phone
(928) 522-9400
Mailing Address
95-103 LALEI PL MILILANI, HI 96789
Is Sole Proprietor?
No
Enumeration Date
03-20-2026
Last Update Date
03-20-2026
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A pharmacist like Karis Choy 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

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
S027600
License State
AZ
Taxonomy Description
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

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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 1003764440, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 7 → 14 → 5 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 4 + 6 + 8 + 4 + 8 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1003764440.

Other Providers at the Same Location


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

Family Medicine
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Family Medicine
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Family Medicine
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pharmacist
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Obstetrics & Gynecology
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pharmacist
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Dentist (General Practice)
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pharmacist
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pharmacist
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Family Medicine
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pharmacist
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Pediatrics
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Family Medicine
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Internal Medicine
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Nurse Practitioner (Family)
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Nurse Practitioner (Women's Health)
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Nurse Practitioner (Family)
2920 N 4TH ST, SUITE 2
FLAGSTAFF, AZ 86004
Nurse Practitioner (Family)
2920 N 4TH ST
FLAGSTAFF, AZ 86004
Advanced Practice Midwife
2920 N 4TH ST, NORTH COUNTRY HEALTHCARE INC.
FLAGSTAFF, AZ 86004

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003764440, enumerated as an "individual" on March 20, 2026.

The provider is located at 2920 N 4TH ST FLAGSTAFF, AZ 86004 and the phone number is (928) 522-9400.

Pharmacist with taxonomy code 183500000X.