COMPREHENSIVE HEALTH SERVICES, LLC
NPI 1689569782
Social Worker in Chelmsford, MA

NPI Status: Active since June 10, 2025

Contact Information

2 COURTHOUSE LN STE 3
CHELMSFORD, MA
ZIP 01824
Phone: (978) 275-9444
Fax: (978) 275-9918

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  • Organization
  • Social Worker

About COMPREHENSIVE HEALTH SERVICES, LLC

This page provides the complete NPI Profile along with additional information for Comprehensive Health Services, Llc, a provider established in Chelmsford, Massachusetts operating as a Social Worker. The healthcare provider is registered in the NPI registry with number 1689569782 assigned on June 2025. The practitioner's primary taxonomy code is 104100000X. The provider is registered as an organization and their NPI record was last updated one year ago. Comprehensive Health Services, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Stephanie Warner (Assistant Practice Manager)

NPI
1689569782
Provider Name
COMPREHENSIVE HEALTH SERVICES, LLC
Entity Type
Organization
Location Address
2 COURTHOUSE LN STE 3 CHELMSFORD, MA 01824
Location Phone
(978) 275-9444
Location Fax
(978) 275-9918
Mailing Address
2 COURTHOUSE LN STE 3 CHELMSFORD, MA 01824
Mailing Phone
(978) 275-9444
Mailing Fax
(978) 275-9918
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-10-2025
Last Update Date
06-10-2025
Code Navigator

A social worker like Comprehensive Health Services, Llc 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
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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

 
2101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

 
3103TC1900XBehavioral Health & Social Service Providers

Psychologist
Counseling

 
41041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

 
5106H00000XBehavioral Health & Social Service Providers

Marriage & Family Therapist

 
6363LP0808XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Psychiatric/Mental Health

 
7364SP0808XPhysician Assistants & Advanced Practice Nursing Providers

Clinical Nurse Specialist
Psychiatric/Mental Health

 

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

STEPHANIE WARNER

Authorized Official Title
ASSISTANT PRACTICE MANAGER
Authorized Official Phone
(978) 275-9444

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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 1689569782, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 8 → 16 → 7 5 → 10 → 1 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 0 + 6 + 1 + 8 + 7 + 1 + 6 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1689569782.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Social Worker
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Counselor (Mental Health)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Social Worker (Clinical)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Counselor (Mental Health)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Social Worker (Clinical)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Counselor (Mental Health)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Social Worker
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Nurse Practitioner (Psychiatric/Mental Health)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Counselor (Professional)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824
Counselor (Mental Health)
2 COURTHOUSE LN STE 3
CHELMSFORD, MA 01824

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689569782, enumerated as an "organization" on June 10, 2025.

The provider is located at 2 COURTHOUSE LN STE 3 CHELMSFORD, MA 01824 and the phone number is (978) 275-9444.

Social Worker with taxonomy code 104100000X.