DR. VINCENT MARCHESI M.D.
NPI 1821546003
Pathology - Anatomic Pathology in Guilford, CT

NPI Status: Active since September 15, 2016

Contact Information

179 PROSPECT AVE
GUILFORD, CT
ZIP 06437
Phone: (203) 453-2993
Fax: (203) 453-1467

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  • Individual
  • Male
  • Pathology
  • Anatomic Pathology

About VINCENT MARCHESI

This page provides the complete NPI Profile along with additional information for Vincent Marchesi, a provider established in Guilford, Connecticut with a medical specialization in Pathology, focusing in anatomic pathology . The healthcare provider is registered in the NPI registry with number 1821546003 assigned on September 2016. The practitioner's primary taxonomy code is 207ZP0101X with license number 016318 (CT). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1821546003
Provider Name
DR. VINCENT MARCHESI M.D.
Gender
Male
Entity Type
Individual
Location Address
179 PROSPECT AVE GUILFORD, CT 06437
Location Phone
(203) 453-2993
Location Fax
(203) 453-1467
Mailing Address
179 PROSPECT AVE GUILFORD, CT 06437
Mailing Phone
(203) 453-2993
Mailing Fax
(203) 453-1467
Is Sole Proprietor?
Yes
Enumeration Date
09-15-2016
Last Update Date
09-15-2016
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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 Anatomic Pathology

Taxonomy Code
207ZP0101X
Type
Allopathic & Osteopathic Physicians
License No.
016318
License State
CT
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

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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 1821546003, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 2 → 4 5 → 10 → 1 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 0 + 4 + 1 + 2 + 0 + 0 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1821546003.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821546003, enumerated as an "individual" on September 15, 2016.

The provider is located at 179 PROSPECT AVE GUILFORD, CT 06437 and the phone number is (203) 453-2993.

Pathology with taxonomy code 207ZP0101X and a focus in Anatomic Pathology.