MR. THOMAS FRANCIS CARR M.A.,LMFT, LMHC
NPI 1053453464
Social Worker in Natick, MA

NPI Status: Active since February 13, 2007

Contact Information

9 KINSMAN PL
NATICK, MA
ZIP 01760
Phone: (508) 650-1811
Fax: (508) 650-3621

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  • Individual
  • Male
  • Social Worker

About THOMAS CARR

This page provides the complete NPI Profile along with additional information for Thomas Carr, a provider established in Natick, Massachusetts with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1053453464 assigned on February 2007. The practitioner's primary taxonomy code is 104100000X with license number 207545 (MA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1053453464
Provider Name
MR. THOMAS FRANCIS CARR M.A.,LMFT, LMHC
Gender
Male
Entity Type
Individual
Location Address
9 KINSMAN PL NATICK, MA 01760
Location Phone
(508) 650-1811
Location Fax
(508) 650-3621
Mailing Address
9 KINSMAN PL NATICK, MA 01760
Mailing Phone
(508) 650-1811
Mailing Fax
(508) 650-3621
Is Sole Proprietor?
Yes
Enumeration Date
02-13-2007
Last Update Date
09-11-2025
Code Navigator

A social worker like Thomas Carr helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
207545
License State
MA
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

1840 (MA)
2106H00000XBehavioral Health & Social Service Providers

Marriage & Family Therapist

718 (MA)

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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 1053453464, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 8 + 5 + 6 + 4 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1053453464.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053453464, enumerated as an "individual" on February 13, 2007.

The provider is located at 9 KINSMAN PL NATICK, MA 01760 and the phone number is (508) 650-1811.

Social Worker with taxonomy code 104100000X.