ANGELA MASTANDREA CPS
NPI 1669351417
Peer Specialist in Malden, MA

NPI Status: Active since August 27, 2025

Contact Information

77 SALEM ST
MALDEN, MA
ZIP 02148
Phone: (617) 581-8355

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  • Individual
  • Female
  • Peer Specialist

About ANGELA MASTANDREA

This page provides the complete NPI Profile along with additional information for Angela Mastandrea, a provider established in Malden, Massachusetts with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1669351417 assigned on August 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
1669351417
Provider Name
ANGELA MASTANDREA CPS
Gender
Female
Entity Type
Individual
Location Address
77 SALEM ST MALDEN, MA 02148
Location Phone
(617) 581-8355
Mailing Address
1277 BROADWAY APT 3 SOMERVILLE, MA 02144
Mailing Phone
(617) 694-7290
Is Sole Proprietor?
No
Enumeration Date
08-27-2025
Last Update Date
08-27-2025
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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
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 1669351417, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
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 6 → 12 → 3 3 → 6 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 6 + 5 + 2 + 4 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1669351417.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Social Worker (Clinical)
77 SALEM ST
MALDEN, MA 02148

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669351417, enumerated as an "individual" on August 27, 2025.

The provider is located at 77 SALEM ST MALDEN, MA 02148 and the phone number is (617) 581-8355.

Peer Specialist with taxonomy code 175T00000X.