THE COMMONWEALTH OF MASSACHUSETTS
NPI 1255215927
Clinic/Center - Prison Health in Greenfield, MA

NPI Status: Active since August 04, 2025

Contact Information

160 ELMS STREET
GREENFIELD, MA
ZIP 01301
Phone: (413) 774-4014

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  • Organization
  • Clinic/Center
  • Prison Health

About THE COMMONWEALTH OF MASSACHUSETTS

This page provides the complete NPI Profile along with additional information for The Commonwealth Of Massachusetts, a provider established in Greenfield, Massachusetts operating as a Clinic/center, focusing in prison health . The healthcare provider is registered in the NPI registry with number 1255215927 assigned on August 2025. The practitioner's primary taxonomy code is 261QP2400X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Nicole Guertin (Chief Of Staff)

NPI
1255215927
Provider Name
THE COMMONWEALTH OF MASSACHUSETTS
Entity Type
Organization
Location Address
160 ELMS STREET GREENFIELD, MA 01301
Location Phone
(413) 774-4014
Mailing Address
160 ELMS STREET GREENFIELD, MA 01301
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
08-04-2025
Last Update Date
08-04-2025
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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

Clinic/Center Prison Health

Taxonomy Code
261QP2400X
Type
Ambulatory Health Care Facilities

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

NICOLE GUERTIN

Authorized Official Title
CHIEF OF STAFF
Authorized Official Phone
(413) 774-4014

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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 1255215927, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 4 + 1 + 1 + 0 + 9 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1255215927.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255215927, enumerated as an "organization" on August 04, 2025.

The provider is located at 160 ELMS STREET GREENFIELD, MA 01301 and the phone number is (413) 774-4014.

Clinic/Center with taxonomy code 261QP2400X and a focus in Prison Health.