MR. JOSEPH SCOTT PETRILAK MA PSYCHOLOGIST
NPI 1902860927
Psychologist - Addiction (Substance Use Disorder) in Media, PA

NPI Status: Active since April 14, 2006

Contact Information

1223 N PROVIDENCE RD
SUITE 3
MEDIA, PA
ZIP 19063
Phone: (610) 842-1461

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  • Individual
  • Male
  • Psychologist
  • Addiction (Substance Use Disorder)

About JOSEPH PETRILAK

This page provides the complete NPI Profile along with additional information for Joseph Petrilak, a provider established in Media, Pennsylvania with a medical specialization in Psychologist, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1902860927 assigned on April 2006. The practitioner's primary taxonomy code is 103TA0400X with license number PS007687L (PA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1902860927
Provider Name
MR. JOSEPH SCOTT PETRILAK MA PSYCHOLOGIST
Gender
Male
Entity Type
Individual
Location Address
1223 N PROVIDENCE RD SUITE 3 MEDIA, PA 19063
Location Phone
(610) 842-1461
Mailing Address
1514 ATHENS RD WILMINGTON, DE 19803
Mailing Phone
(302) 478-7476
Is Sole Proprietor?
Yes
Enumeration Date
04-14-2006
Last Update Date
09-11-2025
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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 Addiction (Substance Use Disorder)

Taxonomy Code
103TA0400X
Type
Behavioral Health & Social Service Providers
License No.
PS007687L
License State
PA
Taxonomy Description
A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behavior.

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)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

PS007687L (PA)

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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 1902860927, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 1 + 6 + 6 + 0 + 9 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1902860927.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Psychologist (Clinical)
1223 N PROVIDENCE RD, SUITE 3
MEDIA, PA 19063
Psychologist
1223 N PROVIDENCE RD, STE 3
MEDIA, PA 19063
Pediatrics
1223 N PROVIDENCE RD, SUITE 301
MEDIA, PA 19063
Dentist (General Practice)
1223 N PROVIDENCE RD
MEDIA, PA 19063
Psychologist (Clinical)
1223 N PROVIDENCE RD, SUITE 3
MEDIA, PA 19063
Social Worker
1223 N PROVIDENCE RD
MEDIA, PA 19063
Counselor
1223 N PROVIDENCE RD
MEDIA, PA 19063
Dentist (Oral and Maxillofacial Surgery)
1223 N PROVIDENCE RD
MEDIA, PA 19063
Counselor (Addiction (Substance Use Disorder))
1223 N PROVIDENCE RD
MEDIA, PA 19063
Dentist
1223 N PROVIDENCE RD
MEDIA, PA 19063
Social Worker (Clinical)
1223 N PROVIDENCE RD
MEDIA, PA 19063

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902860927, enumerated as an "individual" on April 14, 2006.

The provider is located at 1223 N PROVIDENCE RD SUITE 3 MEDIA, PA 19063 and the phone number is (610) 842-1461.

Psychologist with taxonomy code 103TA0400X and a focus in Addiction (Substance Use Disorder).