GREGORY PAUL LYNCH C.P.O.
NPI 1659423440
Specialist in Reading, PA

NPI Status: Active since January 18, 2007

Contact Information

114 N 9TH ST
READING, PA
ZIP 19601
Phone: (610) 373-6860
Fax: (610) 373-6860

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  • Individual
  • Male
  • Specialist

About GREGORY LYNCH

This page provides the complete NPI Profile along with additional information for Gregory Lynch, a provider established in Reading, Pennsylvania with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1659423440 assigned on January 2007. The practitioner's primary taxonomy code is 174400000X with license number 6000003088 (PA). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1659423440
Provider Name
GREGORY PAUL LYNCH C.P.O.
Gender
Male
Entity Type
Individual
Location Address
114 N 9TH ST READING, PA 19601
Location Phone
(610) 373-6860
Location Fax
(610) 373-6860
Mailing Address
114 N 9TH ST READING, PA 19601
Mailing Phone
(610) 373-6860
Mailing Fax
(610) 373-6860
Is Sole Proprietor?
Yes
Enumeration Date
01-18-2007
Last Update Date
05-22-2018
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
6000003088
License State
PA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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)
1335E00000XSuppliers

Prosthetic/Orthotic Supplier

(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 1659423440, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
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 5 → 10 → 1 4 → 8 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 8 + 2 + 6 + 4 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1659423440.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659423440, enumerated as an "individual" on January 18, 2007.

The provider is located at 114 N 9TH ST READING, PA 19601 and the phone number is (610) 373-6860.

Specialist with taxonomy code 174400000X.