DR. PAUL A. TOSELLI M.D., PH.D.
NPI 1942343736
Specialist - Research Study in Boston, MA

Q: What is the provider's specialty?

The provider's specialty is Specialist with taxonomy code 1744R1102X and a focus in Research Study.

NPI Status: Active since February 14, 2007

Contact Information

80 E CONCORD ST
BOSTON UNIVERSITY MEDICAL SCHOOL - ROOM K107
BOSTON, MA
ZIP 02118
Phone: (617) 638-4050
Fax: (617) 638-5339

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Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Specialist
Research Study

About PAUL TOSELLI

This page provides the complete NPI Profile along with additional information for Paul Toselli, a provider established in Boston, Massachusetts with a medical specialization in Specialist, focusing in research study . The healthcare provider is registered in the NPI registry with number 1942343736 assigned on February 2007. The practitioner's primary taxonomy code is 1744R1102X with license number 40289 (MA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI: 1942343736
Provider Name: DR. PAUL A. TOSELLI M.D., PH.D.
Gender: Male
Entity Type: Individual
Location Address: 80 E CONCORD ST BOSTON UNIVERSITY MEDICAL SCHOOL - ROOM K107 BOSTON, MA 02118
Location Phone: (617) 638-4050
Location Fax: (617) 638-5339
Mailing Address: 80 E CONCORD ST BOSTON UNIVERSITY MEDICAL SCHOOL - ROOM K401 BOSTON, MA 02118
Mailing Phone: (617) 638-4050
Mailing Fax: (617) 638-5339
Is Sole Proprietor?: Yes
Enumeration Date: 02-14-2007
Last Update Date: 08-17-2011
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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 Research Study
Taxonomy Code: 1744R1102X
Type: Other Service Providers
License No.: 40289
License State: MA

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 1942343736, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 4 → 8 3 → 6 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 6 + 4 + 6 + 7 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1942343736.