MARK ALAN MACNAMARA LPC
NPI 1992980650
Counselor - Professional in Sherman, TX

NPI Status: Active since December 31, 2007

Contact Information

1223 W MULBERRY ST
SHERMAN, TX
ZIP 75092
Phone: (903) 892-2866
Fax: (903) 893-5183

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  • Individual
  • Male
  • Counselor
  • Professional

About MARK MACNAMARA

This page provides the complete NPI Profile along with additional information for Mark Macnamara, a provider established in Sherman, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1992980650 assigned on December 2007. The practitioner's primary taxonomy code is 101YP2500X with license number 15278 (TX). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1992980650
Provider Name
MARK ALAN MACNAMARA LPC
Gender
Male
Entity Type
Individual
Location Address
1223 W MULBERRY ST SHERMAN, TX 75092
Location Phone
(903) 892-2866
Location Fax
(903) 893-5183
Mailing Address
PO BOX 1943 SHERMAN, TX 75091
Mailing Phone
(903) 892-2866
Mailing Fax
(903) 893-5183
Is Sole Proprietor?
Yes
Enumeration Date
12-31-2007
Last Update Date
12-31-2007
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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.
15278
License State
TX

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)
1101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

2155 (OK)

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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 1992980650, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
0
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 9 → 18 → 9 0 → 0 5 → 10 → 1

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 + 8 + 8 + 0 + 6 + 1 + 0 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1992980650.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor
1223 W MULBERRY ST
SHERMAN, TX 75092

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992980650, enumerated as an "individual" on December 31, 2007.

The provider is located at 1223 W MULBERRY ST SHERMAN, TX 75092 and the phone number is (903) 892-2866.

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