JOHN RANDALL SIEJAK
NPI 1508182254
Pharmacist in Buffalo, NY

NPI Status: Active since April 20, 2010

Contact Information

726 EXCHANGE ST
SUITE 310
BUFFALO, NY
ZIP 14210
Phone: (716) 859-8222

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  • Individual
  • Male
  • Pharmacist

About JOHN SIEJAK

This page provides the complete NPI Profile along with additional information for John Siejak, a provider established in Buffalo, New York with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1508182254 assigned on April 2010. The practitioner's primary taxonomy code is 183500000X with license number 052728 (NY). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1508182254
Provider Name
JOHN RANDALL SIEJAK
Gender
Male
Entity Type
Individual
Location Address
726 EXCHANGE ST SUITE 310 BUFFALO, NY 14210
Location Phone
(716) 859-8222
Mailing Address
726 EXCHANGE ST SUITE 310 BUFFALO, NY 14210
Is Sole Proprietor?
No
Enumeration Date
04-20-2010
Last Update Date
04-20-2010
Code Navigator

A pharmacist like John Siejak 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.
052728
License State
NY
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 1508182254, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 0 → 0 1 → 2 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 2 + 8 + 4 + 2 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1508182254.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Pharmacist
726 EXCHANGE ST, SUITE 310
BUFFALO, NY 14210
Nurse Practitioner (Pediatrics)
726 EXCHANGE ST
BUFFALO, NY 14210
Obstetrics & Gynecology (Maternal & Fetal Medicine)
726 EXCHANGE ST
BUFFALO, NY 14210
Nurse Practitioner (Family)
726 EXCHANGE ST
BUFFALO, NY 14210
Social Worker
726 EXCHANGE ST
BUFFALO, NY 14210
Home Health
726 EXCHANGE ST
BUFFALO, NY 14210

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508182254, enumerated as an "individual" on April 20, 2010.

The provider is located at 726 EXCHANGE ST SUITE 310 BUFFALO, NY 14210 and the phone number is (716) 859-8222.

Pharmacist with taxonomy code 183500000X.