MARGARET ANNETTE GARRETT
NPI 1063094100
Psychiatry & Neurology - Psychiatry in Katy, TX

NPI Status: Active since April 27, 2021

Contact Information

23964 KATY FWY STE 200
KATY, TX
ZIP 77494
Phone: (713) 486-7950

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NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 12, 2026.

Record update history: Jul 8, 2026, Apr 27, 2021 (2 updates tracked since 2021).

  • Individual
  • Female
  • Psychiatry & Neurology
  • Psychiatry

About MARGARET GARRETT

This page provides the complete NPI Profile along with additional information for Margaret Garrett, a provider established in Katy, Texas with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1063094100 assigned on April 2021. The practitioner's primary taxonomy code is 2084P0800X with license number W1166 (TX). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1063094100
Provider Name
MARGARET ANNETTE GARRETT
Gender
Female
Entity Type
Individual
Location Address
23964 KATY FWY STE 200 KATY, TX 77494
Location Phone
(713) 486-7950
Mailing Address
530 W 16TH ST HOUSTON, TX 77008
Mailing Phone
(281) 536-6221
Is Sole Proprietor?
Yes
Enumeration Date
04-27-2021
Last Update Date
07-08-2026
Code Navigator

A psychiatrist like Margaret Garrett are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

Location Map

Secondary Locations

  • 1941 East Rd
    Houston, TX 77054
    (713) 486-2700

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
W1166
License State
TX
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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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 1063094100, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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
0
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
0
Doubled → 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 6 → 12 → 3 0 → 0 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 2 + 3 + 0 + 9 + 8 + 1 + 0 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1063094100.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Audiologist
23964 KATY FWY STE 200
KATY, TX 77494
Otolaryngology (Pediatric Otolaryngology)
23964 KATY FWY STE 200
KATY, TX 77494

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1063094100, enumerated as an "individual" on April 27, 2021.

The provider is located at 23964 KATY FWY STE 200 KATY, TX 77494 and the phone number is (713) 486-7950.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.