JOHN J KROLEWSKI MD
NPI 1407936610
Pathology - Molecular Genetic Pathology in Rochester, NY

NPI Status: Active since October 16, 2006

Contact Information

1393 CLOVER ST
ROCHESTER, NY
ZIP 14610
Phone: (949) 872-9107

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  • Individual
  • Male
  • Pathology
  • Molecular Genetic Pathology

About JOHN KROLEWSKI

This page provides the complete NPI Profile along with additional information for John Krolewski, a provider established in Rochester, New York with a medical specialization in Pathology, focusing in molecular genetic pathology . The healthcare provider is registered in the NPI registry with number 1407936610 assigned on October 2006. The practitioner's primary taxonomy code is 207ZP0007X with license number 163192 (NY). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1407936610
Provider Name
JOHN J KROLEWSKI MD
Gender
Male
Entity Type
Individual
Location Address
1393 CLOVER ST ROCHESTER, NY 14610
Location Phone
(949) 872-9107
Mailing Address
1393 CLOVER ST ROCHESTER, NY 14610
Mailing Phone
(949) 872-9107
Is Sole Proprietor?
No
Enumeration Date
10-16-2006
Last Update Date
05-14-2021
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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

Pathology Molecular Genetic Pathology

Taxonomy Code
207ZP0007X
Type
Allopathic & Osteopathic Physicians
License No.
163192
License State
NY
Taxonomy Description
A molecular genetic pathologist is expert in the principles, theory and technologies of molecular biology and molecular genetics. This expertise is used to make or confirm diagnoses of Mendelian genetic disorders, disorders of human development, infectious diseases and malignancies, and to assess the natural history of those disorders. A molecular genetic pathologist provides information about gene structure, function and alteration and applies laboratory techniques for diagnosis, treatment and prognosis for individuals with related disorders.

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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 1407936610, 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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
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 9 → 18 → 9 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 8 + 3 + 1 + 2 + 6 + 2 + 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 1407936610.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407936610, enumerated as an "individual" on October 16, 2006.

The provider is located at 1393 CLOVER ST ROCHESTER, NY 14610 and the phone number is (949) 872-9107.

Pathology with taxonomy code 207ZP0007X and a focus in Molecular Genetic Pathology.