MR. MARCUS NATHANIEL ALLEN MSW
NPI 1437493863
Counselor - Mental Health in Quincy, MA

NPI Status: Active since November 26, 2012

Contact Information

859 WILLARD ST
QUINCY, MA
ZIP 02169
Phone: (617) 847-1950

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  • Individual
  • Male
  • Counselor
  • Mental Health

About MARCUS ALLEN

This page provides the complete NPI Profile along with additional information for Marcus Allen, a provider established in Quincy, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1437493863 assigned on November 2012. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1437493863
Provider Name
MR. MARCUS NATHANIEL ALLEN MSW
Gender
Male
Entity Type
Individual
Location Address
859 WILLARD ST QUINCY, MA 02169
Location Phone
(617) 847-1950
Mailing Address
500 VICTORY RD QUINCY, MA 02171
Mailing Phone
(617) 847-1950
Is Sole Proprietor?
Yes
Enumeration Date
11-26-2012
Last Update Date
10-14-2019
Code Navigator

A mental health counselor like Marcus Allen 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

Secondary Locations

  • 859 Willard St
    Quincy, MA 02169
    (617) 847-1950

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

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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 1437493863, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 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 3 → 6 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 + 4 + 6 + 7 + 8 + 9 + 6 + 8 + 1 + 2 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1437493863.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker (Clinical)
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Psychologist (Clinical)
859 WILLARD ST, STE 430
QUINCY, MA 02169
Psychologist (Clinical)
859 WILLARD ST, STE 430
QUINCY, MA 02169
Counselor
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Counselor
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Counselor (Mental Health)
859 WILLARD ST, SUITE 403
QUINCY, MA 02169
Psychologist (Clinical)
859 WILLARD ST
QUINCY, MA 02169
Counselor
859 WILLARD ST, STE 430
QUINCY, MA 02169
Psychologist
859 WILLARD ST, ONE ADAMS PLACE
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST, STE 430
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Psychologist (Clinical)
859 WILLARD ST, STE 430
QUINCY, MA 02169
Counselor (Mental Health)
859 WILLARD ST
QUINCY, MA 02169
Counselor (Mental Health)
859 WILLARD ST, SUITE 430
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST, ST 430
QUINCY, MA 02169
Social Worker (Clinical)
859 WILLARD ST
QUINCY, MA 02169

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437493863, enumerated as an "individual" on November 26, 2012.

The provider is located at 859 WILLARD ST QUINCY, MA 02169 and the phone number is (617) 847-1950.

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