MS. NATASHA JOHNSON LICSW
NPI 1548748544
Social Worker - Clinical in Boston, MA

NPI Status: Active since August 01, 2018

Contact Information

55 FRUIT STREET
YAWKEY 7B
BOSTON, MA
ZIP 02114
Phone: (617) 726-1045

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  • Individual
  • Female
  • Social Worker
  • Clinical

About NATASHA JOHNSON

This page provides the complete NPI Profile along with additional information for Natasha Johnson, a provider established in Boston, Massachusetts with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1548748544 assigned on August 2018. The practitioner's primary taxonomy code is 1041C0700X with license number 119337 (MA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1548748544
Provider Name
MS. NATASHA JOHNSON LICSW
Gender
Female
Entity Type
Individual
Location Address
55 FRUIT STREET YAWKEY 7B BOSTON, MA 02114
Location Phone
(617) 726-1045
Mailing Address
55 FRUIT STREET YAWKEY 7B BOSTON, MA 02114
Mailing Phone
(617) 726-1045
Is Sole Proprietor?
Yes
Enumeration Date
08-01-2018
Last Update Date
06-07-2026
Code Navigator

A clinical social worker like Natasha Johnson 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.

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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 Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
119337
License State
MA
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 1548748544, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
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 4 → 8 7 → 14 → 5 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 4 + 4 + 1 + 6 + 5 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1548748544.

Other Providers at the Same Location


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

Pediatrics
55 FRUIT STREET, YAWKEY 5-062 MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Anesthesiology
55 FRUIT STREET, CLN 309
BOSTON, MA 02114
Anesthesiology
55 FRUIT STREET, CLN 3
BOSTON, MA 02114
Anesthesiology
55 FRUIT STREET, CLN 3
BOSTON, MA 02114
Urology (Pediatric Urology)
55 FRUIT STREET, WRN 11
BOSTON, MA 02114
Anesthesiology
55 FRUIT STREET, GRB 406E
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT STREET, WHT 130
BOSTON, MA 02114
Internal Medicine
55 FRUIT STREET, BAR 917 MEDICAL ACCESS UNIT
BOSTON, MA 02114
Anesthesiology
55 FRUIT STREET, CLN 309
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT STREET, YAW 6900 CHILD & ADOLESCENT PSYCHIATRY
BOSTON, MA 02114
Anesthesiology (Critical Care Medicine)
55 FRUIT STREET, CLN 2 ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT STREET, VBK 508
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL WRN 219
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Psychiatry & Neurology (Neurology)
55 FRUIT STREET, VBK 915
BOSTON, MA 02114
Advanced Practice Midwife
55 FRUIT STREET, YAW 4
BOSTON, MA 02114
Advanced Practice Midwife
55 FRUIT STREET, YAW 4
BOSTON, MA 02114
Advanced Practice Midwife
55 FRUIT STREET, YAW 4
BOSTON, MA 02114
Nurse Anesthetist, Certified Registered
55 FRUIT STREET, YAW 4
BOSTON, MA 02114
Advanced Practice Midwife
55 FRUIT STREET, YAW 4
BOSTON, MA 02114

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548748544, enumerated as an "individual" on August 01, 2018.

The provider is located at 55 FRUIT STREET YAWKEY 7B BOSTON, MA 02114 and the phone number is (617) 726-1045.

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