MARY PATTERSON LPC, BC-DMT, CAADC
NPI 1992638316
Counselor - Professional in Philadelphia, PA

NPI Status: Active since June 05, 2026

Contact Information

4040 MARKET ST
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 662-8747

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  • Individual
  • Female
  • Counselor
  • Professional

About MARY PATTERSON

This page provides the complete NPI Profile along with additional information for Mary Patterson, a provider established in Philadelphia, Pennsylvania with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1992638316 assigned on June 2026. The practitioner's primary taxonomy code is 101YP2500X with license number PC019581 (PA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1992638316
Provider Name
MARY PATTERSON LPC, BC-DMT, CAADC
Gender
Female
Entity Type
Individual
Location Address
4040 MARKET ST PHILADELPHIA, PA 19104
Location Phone
(215) 662-8747
Mailing Address
2205 LEXINGTON MEWS SWEDESBORO, NJ 08085
Mailing Phone
(608) 387-1989
Is Sole Proprietor?
No
Enumeration Date
06-05-2026
Last Update Date
06-05-2026
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
PC019581
License State
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 1992638316, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
6
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 6 → 12 → 3 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 + 9 + 1 + 8 + 2 + 1 + 2 + 3 + 1 + 6 + 3 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1992638316.

Other Providers at the Same Location


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

Specialist/Technologist (Speech-Language Assistant)
4040 MARKET ST
PHILADELPHIA, PA 19104
Case Management
4040 MARKET ST, SUITE 320
PHILADELPHIA, PA 19104
Social Worker
4040 MARKET ST, SUITE 320
PHILADELPHIA, PA 19104
Social Worker
4040 MARKET ST, SUITE 320
PHILADELPHIA, PA 19104
Occupational Therapist
4040 MARKET ST
PHILADELPHIA, PA 19104
Psychologist
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104
Counselor (Mental Health)
4040 MARKET ST
PHILADELPHIA, PA 19104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992638316, enumerated as an "individual" on June 05, 2026.

The provider is located at 4040 MARKET ST PHILADELPHIA, PA 19104 and the phone number is (215) 662-8747.

Counselor with taxonomy code 101YP2500X and a focus in Professional.