ALEXANDER IHME WILLIAMS OTR/L
NPI 1861293532
Occupational Therapist - Physical Rehabilitation in Durham, NC

NPI Status: Active since March 20, 2025

Contact Information

3643 N ROXBORO ST
DURHAM, NC
ZIP 27704
Phone: (919) 470-4000

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  • Individual
  • Male
  • Occupational Therapist
  • Physical Rehabilitation

About ALEXANDER WILLIAMS

This page provides the complete NPI Profile along with additional information for Alexander Williams, a provider established in Durham, North Carolina with a medical specialization in Occupational Therapist, focusing in physical rehabilitation . The healthcare provider is registered in the NPI registry with number 1861293532 assigned on March 2025. The practitioner's primary taxonomy code is 225XP0019X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1861293532
Provider Name
ALEXANDER IHME WILLIAMS OTR/L
Gender
Male
Entity Type
Individual
Location Address
3643 N ROXBORO ST DURHAM, NC 27704
Location Phone
(919) 470-4000
Mailing Address
3643 N ROXBORO ST DURHAM, NC 27704
Is Sole Proprietor?
No
Enumeration Date
03-20-2025
Last Update Date
03-20-2025
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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 Physical Rehabilitation

Taxonomy Code
225XP0019X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description
Occupational therapists are experts at helping people lead as independent a life as possible. Occupational therapists bring an understanding of the physical and psychological implications of illness and injury and their effects on peoples' ability to perform the tasks of daily living. Occupational therapists provide interventions that can aide a person in completing ADL and IADL tasks, such as dressing, bathing, preparing meals, and driving. They also may fabricate custom orthotics to improve function, evaluate the environment for safety hazards and recommend adaptations to remove those hazards, help a person compensate for cognitive changes, and build a persons' physical endurance and strength. Occupational therapists' knowledge of adapting tasks and modifying the environment to compensate for functional limitations is used to increase the involvement of clients and to promote safety and success.

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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 1861293532, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
2
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 2 → 4 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 4 + 9 + 6 + 5 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1861293532.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist (Pharmacotherapy)
3643 N ROXBORO ST, DURHAM REGIONAL HOSPITAL
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST, DURHAM REGIONAL HOSPITAL
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Hospitalist
3643 N ROXBORO ST
DURHAM, NC 27704
Pharmacist
3643 N ROXBORO ST
DURHAM, NC 27704
Emergency Medicine
3643 N ROXBORO ST
DURHAM, NC 27704
Advanced Practice Midwife
3643 N ROXBORO ST
DURHAM, NC 27704
Emergency Medicine
3643 N ROXBORO ST
DURHAM, NC 27704
Emergency Medicine
3643 N ROXBORO ST
DURHAM, NC 27704
Emergency Medicine
3643 N ROXBORO ST
DURHAM, NC 27704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861293532, enumerated as an "individual" on March 20, 2025.

The provider is located at 3643 N ROXBORO ST DURHAM, NC 27704 and the phone number is (919) 470-4000.

Occupational Therapist with taxonomy code 225XP0019X and a focus in Physical Rehabilitation.