MR. JOHN J GREZULA RPH
NPI 1003132598
Pharmacist - Geriatric in Sciota, PA

NPI Status: Active since April 09, 2010

Contact Information

ROUTE 209 AND BOSSARDSVILLE RD.
SCIOTA, PA
ZIP 18354
Phone: (570) 992-6300

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  • Individual
  • Male
  • Pharmacist
  • Geriatric

About JOHN GREZULA

This page provides the complete NPI Profile along with additional information for John Grezula, a provider established in Sciota, Pennsylvania with a medical specialization in Pharmacist, focusing in geriatric . The healthcare provider is registered in the NPI registry with number 1003132598 assigned on April 2010. The practitioner's primary taxonomy code is 1835G0303X with license number RP034703L (PA). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1003132598
Provider Name
MR. JOHN J GREZULA RPH
Gender
Male
Entity Type
Individual
Location Address
ROUTE 209 AND BOSSARDSVILLE RD. SCIOTA, PA 18354
Location Phone
(570) 992-6300
Mailing Address
RTE 209 BOSSARDSVILLE RD BOSSARDSVILLE RD SCIOTA, PA 18354
Mailing Phone
(570) 992-6300
Is Sole Proprietor?
No
Enumeration Date
04-09-2010
Last Update Date
04-09-2010
Code Navigator

A pharmacist like John Grezula 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 Geriatric

Taxonomy Code
1835G0303X
Type
Pharmacy Service Providers
License No.
RP034703L
License State
PA
Taxonomy Description
A pharmacist who is certified in geriatric pharmacy practice is designated as a Certified Geriatric Pharmacist (CGP). To become certified, candidates are expected to be knowledgeable about principles of geriatric pharmacotherapy and the provision of pharmaceutical care to the elderly.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1183500000XPharmacy Service Providers

Pharmacist

RP034703L (PA)
21835P1200XPharmacy Service Providers

Pharmacist
Pharmacotherapy

RP034703L (PA)

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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 1003132598, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 2 + 3 + 4 + 5 + 1 + 8 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1003132598.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003132598, enumerated as an "individual" on April 09, 2010.

The provider is located at ROUTE 209 AND BOSSARDSVILLE RD. SCIOTA, PA 18354 and the phone number is (570) 992-6300.

Pharmacist with taxonomy code 1835G0303X and a focus in Geriatric.