STEPHEN J WILK II
NPI 1275014391
Psychologist - Intellectual and Developmental Disabilities in Worcester, MA

NPI Status: Active since August 27, 2018

Contact Information

345 GREENWOOD ST STE A
WORCESTER, MA
ZIP 01607
Phone: (508) 363-0200

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  • Individual
  • Male
  • Psychologist
  • Intellectual and Developmental Disabilit...

About STEPHEN WILK

This page provides the complete NPI Profile along with additional information for Stephen Wilk, a provider established in Worcester, Massachusetts with a medical specialization in Psychologist, focusing in intellectual and developmental disabilities . The healthcare provider is registered in the NPI registry with number 1275014391 assigned on August 2018. The practitioner's primary taxonomy code is 103TM1800X. The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1275014391
Provider Name
STEPHEN J WILK II
Gender
Male
Entity Type
Individual
Location Address
345 GREENWOOD ST STE A WORCESTER, MA 01607
Location Phone
(508) 363-0200
Mailing Address
72 SEYMOUR ST # 3 WORCESTER, MA 01610
Is Sole Proprietor?
No
Enumeration Date
08-27-2018
Last Update Date
08-27-2018
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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

Psychologist Intellectual and Developmental Disabilities

Taxonomy Code
103TM1800X
Type
Behavioral Health & Social Service Providers

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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 1275014391, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 0 + 1 + 8 + 3 + 1 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1275014391.

Other Providers at the Same Location


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

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345 GREENWOOD ST STE A
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345 GREENWOOD ST STE A, SUITE B, WORCESTER
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, AUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607
Speech-Language Pathologist
345 GREENWOOD ST STE A
WORCESTER, MA 01607
Developmental Therapist
345 GREENWOOD ST STE A, SUITE B
WORCESTER, MA 01607

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275014391, enumerated as an "individual" on August 27, 2018.

The provider is located at 345 GREENWOOD ST STE A WORCESTER, MA 01607 and the phone number is (508) 363-0200.

Psychologist with taxonomy code 103TM1800X and a focus in Intellectual and Developmental Disabilities.