CYNTHIA ELLEN THULIN
NPI 1841151990
Peer Specialist in East Walpole, MA

NPI Status: Active since November 19, 2025

Contact Information

31A JUNE ST
EAST WALPOLE, MA
ZIP 02032
Phone: (781) 879-9579

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  • Individual
  • Female
  • Peer Specialist

About CYNTHIA THULIN

This page provides the complete NPI Profile along with additional information for Cynthia Thulin, a provider established in East Walpole, Massachusetts with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1841151990 assigned on November 2025. The practitioner's primary taxonomy code is 175T00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1841151990
Provider Name
CYNTHIA ELLEN THULIN
Gender
Female
Entity Type
Individual
Location Address
31A JUNE ST EAST WALPOLE, MA 02032
Location Phone
(781) 879-9579
Mailing Address
31A JUNE ST EAST WALPOLE, MA 02032
Mailing Phone
(781) 879-9579
Is Sole Proprietor?
No
Enumeration Date
11-19-2025
Last Update Date
11-19-2025
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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

Peer Specialist

Taxonomy Code
175T00000X
Type
Other Service Providers
License State
MA
Taxonomy Description
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

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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 1841151990, 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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 4 → 8 1 → 2 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 2 + 5 + 2 + 9 + 1 + 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 1841151990.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841151990, enumerated as an "individual" on November 19, 2025.

The provider is located at 31A JUNE ST EAST WALPOLE, MA 02032 and the phone number is (781) 879-9579.

Peer Specialist with taxonomy code 175T00000X.