CHERYL M KNOWLES
NPI 1891478319
Social Worker in Tewksbury, MA

NPI Status: Active since August 10, 2023

Contact Information

918 MAIN ST
TEWKSBURY, MA
ZIP 01876
Phone: (978) 409-9885

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  • Individual
  • Female
  • Social Worker

About CHERYL KNOWLES

This page provides the complete NPI Profile along with additional information for Cheryl Knowles, a provider established in Tewksbury, Massachusetts with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1891478319 assigned on August 2023. The practitioner's primary taxonomy code is 104100000X with license number 227337 (MA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1891478319
Provider Name
CHERYL M KNOWLES
Gender
Female
Entity Type
Individual
Location Address
918 MAIN ST TEWKSBURY, MA 01876
Location Phone
(978) 409-9885
Mailing Address
918 MAIN ST TEWKSBURY, MA 01876
Mailing Phone
(978) 409-9885
Is Sole Proprietor?
Yes
Enumeration Date
08-10-2023
Last Update Date
08-10-2023
Code Navigator

A social worker like Cheryl Knowles 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.

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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

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
227337
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.

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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 1891478319, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
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 4 → 8 8 → 16 → 7 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 + 8 + 1 + 8 + 7 + 1 + 6 + 3 + 2 + 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 1891478319.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891478319, enumerated as an "individual" on August 10, 2023.

The provider is located at 918 MAIN ST TEWKSBURY, MA 01876 and the phone number is (978) 409-9885.

Social Worker with taxonomy code 104100000X.