THOMAS JOHN MULLIGAN LCSW
NPI 1861825317
Social Worker - Clinical in Fairfax, VA

NPI Status: Active since August 19, 2013

Contact Information

3923 OLD LEE HWY
FAIRFAX, VA
ZIP 22030
Phone: (703) 764-5298

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  • Individual
  • Male
  • Social Worker
  • Clinical

About THOMAS MULLIGAN

This page provides the complete NPI Profile along with additional information for Thomas Mulligan, a provider established in Fairfax, Virginia with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1861825317 assigned on August 2013. The practitioner's primary taxonomy code is 1041C0700X with license number 0904001079 (VA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1861825317
Provider Name
THOMAS JOHN MULLIGAN LCSW
Gender
Male
Entity Type
Individual
Location Address
3923 OLD LEE HWY FAIRFAX, VA 22030
Location Phone
(703) 764-5298
Mailing Address
3923 OLD LEE HWY FAIRFAX, VA 22030
Mailing Phone
(703) 764-5298
Is Sole Proprietor?
Yes
Enumeration Date
08-19-2013
Last Update Date
08-19-2013
Code Navigator

A clinical social worker like Thomas Mulligan is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
0904001079
License State
VA
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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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 1861825317, 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
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 8 → 16 → 7 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 6 + 2 + 1 + 0 + 3 + 2 + 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 1861825317.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Psychologist (Clinical)
3923 OLD LEE HWY
FAIRFAX, VA 22030
Psychologist (Clinical)
3923 OLD LEE HWY, SUITE 63 D
FAIRFAX, VA 22030
Psychiatry & Neurology (Psychiatry)
3923 OLD LEE HWY, SUITE 61A
FAIRFAX, VA 22030
Clinic/Center (Medical Specialty)
3923 OLD LEE HWY, 61 A
FAIRFAX, VA 22030
Counselor
3923 OLD LEE HWY, SUITE 63D
FAIRFAX, VA 22030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861825317, enumerated as an "individual" on August 19, 2013.

The provider is located at 3923 OLD LEE HWY FAIRFAX, VA 22030 and the phone number is (703) 764-5298.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.