MARY MALTCHEV
NPI 1639015662
Occupational Therapy Assistant - Environmental Modification in Roanoke, TX
NPI Status: Active since April 23, 2026
Contact Information
13 CRESTWOOD DR
ROANOKE, TX
ZIP 76262
Phone: (214) 240-6555
- Individual
- Female
- Occupational Therapy Assistant
- Environmental Modification
About MARY MALTCHEV
This page provides the complete NPI Profile along with additional information for Mary Maltchev, a provider established in Roanoke, Texas with a medical specialization in Occupational Therapy Assistant, focusing in environmental modification . The healthcare provider is registered in the NPI registry with number 1639015662 assigned on April 2026. The practitioner's primary taxonomy code is 224ZE0001X with license number OT17328 (FL). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1639015662
- Provider Name
- MARY MALTCHEV
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 13 CRESTWOOD DR ROANOKE, TX 76262
- Location Phone
- (214) 240-6555
- Mailing Address
- 13 CRESTWOOD DR ROANOKE, TX 76262
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-23-2026
- Last Update Date
- 04-23-2026
- Code Navigator
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
Occupational Therapy Assistant Environmental Modification
- Taxonomy Code
- 224ZE0001X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- OT17328
- License State
- FL
- Taxonomy Description
- Occupational therapy assistants provide environmental modifications under the supervision of an occupational therapist. OTAs develop and implement an individualized occupational therapy environmental modification plan that reflects the relevant contexts of the client and relevant others and maximizes current and future occupational performance, safety, and participation of the client. Clients receive environmental modification recommendations and interventions that enable them to meet occupational performance and participation goals and that have adequate flexibility to accommodate for their future needs.
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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 1639015662, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 58 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639015662, enumerated as an "individual" on April 23, 2026.
The provider is located at 13 CRESTWOOD DR ROANOKE, TX 76262 and the phone number is (214) 240-6555.
Occupational Therapy Assistant with taxonomy code 224ZE0001X and a focus in Environmental Modification.
