MR. MATTHEW WALSH LMHC
NPI 1942556113
Counselor - Mental Health in Dedham, MA

NPI Status: Active since July 25, 2012

Contact Information

450 WASHINGTON ST
DEDHAM, MA
ZIP 02026
Phone: (781) 329-0909

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  • Individual
  • Male
  • Counselor
  • Mental Health

About MATTHEW WALSH

This page provides the complete NPI Profile along with additional information for Matthew Walsh, a provider established in Dedham, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1942556113 assigned on July 2012. The practitioner's primary taxonomy code is 101YM0800X with license number 6899 (MA). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1942556113
Provider Name
MR. MATTHEW WALSH LMHC
Gender
Male
Entity Type
Individual
Location Address
450 WASHINGTON ST DEDHAM, MA 02026
Location Phone
(781) 329-0909
Mailing Address
22 DAVIDSON RD WORCESTER, MA 01605
Mailing Phone
(508) 735-3973
Is Sole Proprietor?
No
Enumeration Date
07-25-2012
Last Update Date
07-25-2012
Code Navigator

A mental health counselor like Matthew Walsh provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
6899
License State
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 1942556113, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 0 + 5 + 1 + 2 + 1 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1942556113.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Social Worker (Clinical)
450 WASHINGTON ST, SUITE 108
DEDHAM, MA 02026
Social Worker (Clinical)
450 WASHINGTON ST, SUITE 201
DEDHAM, MA 02026
Acupuncturist
450 WASHINGTON ST, LL7
DEDHAM, MA 02026
Massage Therapist
450 WASHINGTON ST, SUITE LL7
DEDHAM, MA 02026
Registered Nurse (Psychiatric/Mental Health)
450 WASHINGTON ST, SUITE 201
DEDHAM, MA 02026
Social Worker (Clinical)
450 WASHINGTON ST
DEDHAM, MA 02026
Counselor (Mental Health)
450 WASHINGTON ST
DEDHAM, MA 02026
Counselor
450 WASHINGTON ST
DEDHAM, MA 02026
Counselor (Mental Health)
450 WASHINGTON ST
DEDHAM, MA 02026
Social Worker
450 WASHINGTON ST
DEDHAM, MA 02026
Behavior Analyst
450 WASHINGTON ST
DEDHAM, MA 02026
Registered Nurse
450 WASHINGTON ST
DEDHAM, MA 02026

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942556113, enumerated as an "individual" on July 25, 2012.

The provider is located at 450 WASHINGTON ST DEDHAM, MA 02026 and the phone number is (781) 329-0909.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.