DR. NAINAN THOMAS
NPI 1316823206
Social Worker in Gaithersburg, MD

NPI Status: Active since August 14, 2025

Contact Information

7000 CYPRESS HILL DR
GAITHERSBURG, MD
ZIP 20879
Phone: (240) 426-4355
Fax: (240) 683-4589

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  • Individual
  • Male
  • Social Worker

About NAINAN THOMAS

This page provides the complete NPI Profile along with additional information for Nainan Thomas, a provider established in Gaithersburg, Maryland with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1316823206 assigned on August 2025. The practitioner's primary taxonomy code is 104100000X with license number LC301896 (DC). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1316823206
Provider Name
DR. NAINAN THOMAS
Other Name
DR. NAINAN P THOMAS MSW, PH.D. LICSW
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
7000 CYPRESS HILL DR GAITHERSBURG, MD 20879
Location Phone
(240) 426-4355
Location Fax
(240) 683-4589
Mailing Address
7000 CYPRESS HILL DR GAITHERSBURG, MD 20879
Mailing Phone
(240) 426-4355
Mailing Fax
(240) 683-4589
Is Sole Proprietor?
Yes
Enumeration Date
08-14-2025
Last Update Date
08-14-2025
Code Navigator

A social worker like Nainan 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.
LC301896
License State
DC
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

LC301896 (DC)
21041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

 
31041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

LC301896 (DC)
41041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

LC301896 

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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 1316823206, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 6 + 2 + 6 + 2 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1316823206.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316823206, enumerated as an "individual" on August 14, 2025.

The provider is located at 7000 CYPRESS HILL DR GAITHERSBURG, MD 20879 and the phone number is (240) 426-4355.

Social Worker with taxonomy code 104100000X.