ADAM THOMAS JANKOWSKI
NPI 1659243244
Registered Nurse - Addiction (Substance Use Disorder) in Tewksbury, MA

NPI Status: Active since September 22, 2025

Contact Information

365 EAST ST
TEWKSBURY, MA
ZIP 01876
Phone: (617) 990-9322
Fax: (617) 830-8486

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  • Individual
  • Male
  • Registered Nurse
  • Addiction (Substance Use Disorder)

About ADAM JANKOWSKI

This page provides the complete NPI Profile along with additional information for Adam Jankowski, a provider established in Tewksbury, Massachusetts with a medical specialization in Registered Nurse, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1659243244 assigned on September 2025. The practitioner's primary taxonomy code is 163WA0400X with license number RN2390390 (MA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1659243244
Provider Name
ADAM THOMAS JANKOWSKI
Gender
Male
Entity Type
Individual
Location Address
365 EAST ST TEWKSBURY, MA 01876
Location Phone
(617) 990-9322
Location Fax
(617) 830-8486
Mailing Address
365 EAST ST TEWKSBURY, MA 01876
Mailing Phone
(617) 990-9322
Mailing Fax
(617) 830-8486
Is Sole Proprietor?
No
Enumeration Date
09-22-2025
Last Update Date
09-22-2025
Code Navigator

A registered nurse (RN) like Adam Jankowski coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

Addiction nurses - this registered nurse specializes in addiction medicine assisting patients in overcoming dependencies on alcohol, drugs, and other substances.

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

Registered Nurse Addiction (Substance Use Disorder)

Taxonomy Code
163WA0400X
Type
Nursing Service Providers
License No.
RN2390390
License State
MA

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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 1659243244, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
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 5 → 10 → 1 2 → 4 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 4 + 4 + 6 + 2 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1659243244.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
365 EAST ST, TEWKSBURY HOSPITAL
TEWKSBURY, MA 01876
Psychiatry & Neurology (Psychiatry)
365 EAST ST, TEWKSBURY HOSPITAL
TEWKSBURY, MA 01876
Psychologist (Clinical)
365 EAST ST
TEWKSBURY, MA 01876
General Practice
365 EAST ST
TEWKSBURY, MA 01876
Pathology (Anatomic Pathology & Clinical Pathology)
365 EAST ST
TEWKSBURY, MA 01876
Nurse Practitioner
365 EAST ST
TEWKSBURY, MA 01876
Internal Medicine
365 EAST ST
TEWKSBURY, MA 01876
Nurse Practitioner
365 EAST ST
TEWKSBURY, MA 01876
General Practice
365 EAST ST
TEWKSBURY, MA 01876
Nurse Practitioner (Adult Health)
365 EAST ST
TEWKSBURY, MA 01876
Optometrist
365 EAST ST
TEWKSBURY, MA 01876
Counselor (Mental Health)
365 EAST ST
TEWKSBURY, MA 01876
Residential Treatment Facility, Emotionally Disturbed Children
365 EAST ST, SOUTHGATE BLDG
TEWKSBURY, MA 01876
Occupational Therapy Assistant
365 EAST ST
TEWKSBURY, MA 01876
Psychiatry & Neurology (Psychiatry)
365 EAST ST
TEWKSBURY, MA 01876
Physical Therapist
365 EAST ST
TEWKSBURY, MA 01876
Psychiatry & Neurology (Psychiatry)
365 EAST ST, TEWKSBURY HOSPITAL
TEWKSBURY, MA 01876
Physical Therapy Assistant
365 EAST ST
TEWKSBURY, MA 01876
Specialist
365 EAST ST
TEWKSBURY, MA 01876
Physical Therapist (Neurology)
365 EAST ST
TEWKSBURY, MA 01876

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659243244, enumerated as an "individual" on September 22, 2025.

The provider is located at 365 EAST ST TEWKSBURY, MA 01876 and the phone number is (617) 990-9322.

Registered Nurse with taxonomy code 163WA0400X and a focus in Addiction (Substance Use Disorder).