JOHN DOWNEY THOMAS JR. LICSW
NPI 1699258079
Social Worker in Dorchester, MA

NPI Status: Active since September 11, 2018

Contact Information

2100 DORCHESTER AVE
DORCHESTER, MA
ZIP 02124
Phone: (617) 506-4769

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  • Individual
  • Male
  • Social Worker

About JOHN THOMAS

This page provides the complete NPI Profile along with additional information for John Thomas, a provider established in Dorchester, Massachusetts with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1699258079 assigned on September 2018. The practitioner's primary taxonomy code is 104100000X with license number 110248 (MA). The provider is registered as an individual and his NPI record was last updated 8 years ago. John Thomas operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1699258079
Provider Name
JOHN DOWNEY THOMAS JR. LICSW
Gender
Male
Entity Type
Individual
Location Address
2100 DORCHESTER AVE DORCHESTER, MA 02124
Location Phone
(617) 506-4769
Mailing Address
2100 DORCHESTER AVE DORCHESTER, MA 02124
Mailing Phone
(617) 506-4769
Is Sole Proprietor?
Yes
Enumeration Date
09-11-2018
Last Update Date
09-11-2018
Code Navigator

A social worker like John Thomas 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.

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

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
110248
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.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1699258079, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 9 → 18 → 9 2 → 4 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 4 + 5 + 1 + 6 + 0 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1699258079.

Other Providers at the Same Location


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

Urology
2100 DORCHESTER AVE, SUITE 2206
DORCHESTER CENTER, MA 02124
Anesthesiology
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Surgery
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DORCHESTER CENTER, MA 02124
Emergency Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine (Cardiovascular Disease)
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DORCHESTER CENTER, MA 02124
Obstetrics & Gynecology
2100 DORCHESTER AVE, MEDICAL OFFICE BUILDING SUITE 104
DORCHESTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine (Geriatric Medicine)
2100 DORCHESTER AVE, AMBULATORY CARE CENTER
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE, SUITE 2203
DORCHESTER, MA 02124
Internal Medicine (Cardiovascular Disease)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Pediatrics
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Psychiatry & Neurology (Psychiatry)
2100 DORCHESTER AVE, 4 SOUTH
DORCHESTER CENTER, MA 02124
Podiatrist (Foot & Ankle Surgery)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine (Geriatric Medicine)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Emergency Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Radiology (Diagnostic Radiology)
2100 DORCHESTER AVE
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Nurse Anesthetist, Certified Registered
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699258079, enumerated as an "individual" on September 11, 2018.

The provider is located at 2100 DORCHESTER AVE DORCHESTER, MA 02124 and the phone number is (617) 506-4769.

Social Worker with taxonomy code 104100000X.