MR. JAMES MARVIN JACK JR. LPC
NPI 1235799933
Counselor - Professional in Wilmington, DE

NPI Status: Active since June 17, 2019

Contact Information

1201 PHILADELPHIA PIKE
WILMINGTON, DE
ZIP 19809
Phone: (302) 798-4400

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  • Individual
  • Male
  • Counselor
  • Professional

About JAMES JACK

This page provides the complete NPI Profile along with additional information for James Jack, a provider established in Wilmington, Delaware with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1235799933 assigned on June 2019. The practitioner's primary taxonomy code is 101YP2500X with license number 0000936 (DE). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1235799933
Provider Name
MR. JAMES MARVIN JACK JR. LPC
Gender
Male
Entity Type
Individual
Location Address
1201 PHILADELPHIA PIKE WILMINGTON, DE 19809
Location Phone
(302) 798-4400
Mailing Address
210 ANITA CT NEWARK, DE 19702
Is Sole Proprietor?
Yes
Enumeration Date
06-17-2019
Last Update Date
06-17-2019
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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.
0000936
License State
DE

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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 1235799933, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 1 + 4 + 9 + 1 + 8 + 9 + 6 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1235799933.

Other Providers at the Same Location


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

Chiropractor
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Chiropractor (Orthopedic)
1201 PHILADELPHIA PIKE, SUITE D
WILMINGTON, DE 19809
Counselor (Professional)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Counselor (Professional)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Counselor (Addiction (Substance Use Disorder))
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Counselor (Professional)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Counselor (Mental Health)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Counselor (Professional)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Chiropractor
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Counselor (Mental Health)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809
Non-emergency Medical Transport (VAN)
1201 PHILADELPHIA PIKE
WILMINGTON, DE 19809

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235799933, enumerated as an "individual" on June 17, 2019.

The provider is located at 1201 PHILADELPHIA PIKE WILMINGTON, DE 19809 and the phone number is (302) 798-4400.

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