TAMMY HILLEGEIST OTR
NPI 1922931583
Occupational Therapist in Spring, TX

NPI Status: Active since June 04, 2026

Contact Information

8008 ASHLANE WAY STE 120
SPRING, TX
ZIP 77382
Phone: (281) 914-4679

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  • Individual
  • Female
  • Occupational Therapist

About TAMMY HILLEGEIST

This page provides the complete NPI Profile along with additional information for Tammy Hillegeist, a provider established in Spring, Texas with a medical specialization in Occupational Therapist. The healthcare provider is registered in the NPI registry with number 1922931583 assigned on June 2026. The practitioner's primary taxonomy code is 225X00000X with license number 107831 (TX). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1922931583
Provider Name
TAMMY HILLEGEIST OTR
Gender
Female
Entity Type
Individual
Location Address
8008 ASHLANE WAY STE 120 SPRING, TX 77382
Location Phone
(281) 914-4679
Mailing Address
8008 ASHLANE WAY STE 120 SPRING, TX 77382
Is Sole Proprietor?
No
Enumeration Date
06-04-2026
Last Update Date
06-04-2026
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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

Occupational Therapist

Taxonomy Code
225X00000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
107831
License State
TX
Taxonomy Description
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.

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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 1922931583, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 2 → 4 9 → 18 → 9 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 1 + 8 + 3 + 2 + 5 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1922931583.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Physical Therapist
8008 ASHLANE WAY STE 120
THE WOODLANDS, TX 77382
Clinic/Center (Rehabilitation)
8008 ASHLANE WAY STE 120
SPRING, TX 77382
Occupational Therapist
8008 ASHLANE WAY STE 120
SPRING, TX 77382
Speech-Language Pathologist
8008 ASHLANE WAY STE 120
SPRING, TX 77382

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922931583, enumerated as an "individual" on June 04, 2026.

The provider is located at 8008 ASHLANE WAY STE 120 SPRING, TX 77382 and the phone number is (281) 914-4679.

Occupational Therapist with taxonomy code 225X00000X.