Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GARY CLAY MORCHOWER M.D.
NPI 1841241890
Specialist in Richardson, TX

Active since May 15, 2006
1112 N FLOYD RD, SUITE 6A, RICHARDSON, TX 75080(972) 231-2551(972) 852-6002 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Specialist

About GARY MORCHOWER

This page provides the complete NPI Profile along with additional information for Gary Morchower, a provider established in Richardson, Texas with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1841241890 assigned on May 2006. The practitioner's primary taxonomy code is 174400000X with license number D3653 (TX). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1841241890
Provider Name
DR. GARY CLAY MORCHOWER M.D.
Gender
Male
Entity Type
Individual
Location Address
1112 N FLOYD RD SUITE 6A RICHARDSON, TX 75080
Location Phone
(972) 231-2551
Location Fax
(972) 852-6002
Mailing Address
1112 N FLOYD RD SUITE 6A RICHARDSON, TX 75080
Mailing Phone
(972) 231-2551
Mailing Fax
(972) 852-6002
Is Sole Proprietor?
No
Enumeration Date
05-15-2006
Last Update Date
07-13-2026
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Location Map

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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
D3653
License State
TX
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1841241890, 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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 4 → 8 2 → 4 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 4 + 4 + 2 + 8 + 1 + 8 + 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 1841241890.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Pediatrics
1112 N FLOYD RD, SUITE 7
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, SUITE 9
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, SUITE 9
RICHARDSON, TX 75080
Dentist (General Practice)
1112 N FLOYD RD, STE 5
RICHARDSON, TX 75080
Pediatrics
1112 N FLOYD RD, SUITE 6A
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, 9
RICHARDSON, TX 75080
Occupational Therapist (Pediatrics)
1112 N FLOYD RD, SUITE 9
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, SUITE 9
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, SUITE 9
RICHARDSON, TX 75080
Occupational Therapist
1112 N FLOYD RD, #9
RICHARDSON, TX 75080
Dentist
1112 N FLOYD RD, SUITE 6B
RICHARDSON, TX 75080
Home Health
1112 N FLOYD RD, STE. 4
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, SUITE 9
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, #9
RICHARDSON, TX 75080
Speech-Language Pathologist
1112 N FLOYD RD, SUITE #9
RICHARDSON, TX 75080
Pharmacy
1112 N FLOYD RD, STE. 9
RICHARDSON, TX 75080
Pediatrics
1112 N FLOYD RD, SUITE 7
RICHARDSON, TX 75080

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841241890, enumerated as an "individual" on May 15, 2006.

The provider is located at 1112 N FLOYD RD SUITE 6A RICHARDSON, TX 75080 and the phone number is (972) 231-2551.

Specialist with taxonomy code 174400000X.