KARIN E OLSON AND ROBERT L WILLIAMS, PA
NPI 1194941617
Physical Medicine & Rehabilitation in Huntsville, TX

NPI Status: Active since April 17, 2007

Contact Information

110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX
ZIP 77340
Phone: (936) 291-3411

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  • Organization
  • Physical Medicine & Rehabilitation

About KARIN E OLSON AND ROBERT L WILLIAMS, PA

This page provides the complete NPI Profile along with additional information for Karin E Olson And Robert L Williams, Pa, a provider established in Huntsville, Texas operating as a Physical Medicine & Rehabilitation. The healthcare provider is registered in the NPI registry with number 1194941617 assigned on April 2007. The practitioner's primary taxonomy code is 208100000X. The provider is registered as an organization and their NPI record was last updated one year ago. Karin E Olson And Robert L Williams, Pa operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Robert Lewis Williams M.d. (President)

NPI
1194941617
Provider Name
KARIN E OLSON AND ROBERT L WILLIAMS, PA
Entity Type
Organization
Location Address
110 MEMORIAL HOSPITAL DR HUNTSVILLE, TX 77340
Location Phone
(936) 291-3411
Mailing Address
3817 SUMMER LN HUNTSVILLE, TX 77340
Mailing Phone
(936) 714-9005
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-17-2007
Last Update Date
09-11-2025
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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

Physical Medicine & Rehabilitation

Taxonomy Code
208100000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Physical medicine and rehabilitation, also referred to as rehabilitation medicine, is the medical specialty concerned with diagnosing, evaluating, and treating patients with physical disabilities. These disabilities may arise from conditions affecting the musculoskeletal system such as neck and back pain, sports injuries, or other painful conditions affecting the limbs, such as carpal tunnel syndrome. Alternatively, the disabilities may result from neurological trauma or disease such as spinal cord injury, head injury or stroke. A physician certified in physical medicine and rehabilitation is often called a physiatrist. The primary goal of the physiatrist is to achieve maximal restoration of physical, psychological, social and vocational function through comprehensive rehabilitation. Pain management is often an important part of the role of the physiatrist. For diagnosis and evaluation, a physiatrist may include the techniques of electromyography to supplement the standard history, physical, x-ray and laboratory examinations. The physiatrist has expertise in the appropriate use of therapeutic exercise, prosthetics (artificial limbs), orthotics and mechanical and electrical devices.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
22081H0002XAllopathic & Osteopathic Physicians

Physical Medicine & Rehabilitation
Hospice and Palliative Medicine

 
3208M00000XAllopathic & Osteopathic Physicians

Hospitalist

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. ROBERT LEWIS WILLIAMS M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(936) 295-2668

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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 1194941617, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 8 + 4 + 2 + 6 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1194941617.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Emergency Medicine
110 MEMORIAL HOSPITAL DR, EMERGENCY DEPARTMENT, HUNTSVILLE MEMORIAL HOSPITAL
HUNTSVILLE, TX 77340
Emergency Medicine
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Rehabilitation Unit
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Home Health
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Dietitian, Registered
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Physical Therapist
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Clinic/Center (Adult Mental Health)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Emergency Medicine (Emergency Medical Services)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Physician Assistant
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Physician Assistant
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Nurse Practitioner (Family)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Nurse Practitioner (Family)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Pathology (Anatomic Pathology & Clinical Pathology)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Nurse Practitioner (Family)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Internal Medicine (Rheumatology)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Internal Medicine
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Physician Assistant (Medical)
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340
Occupational Therapist
110 MEMORIAL HOSPITAL DR
HUNTSVILLE, TX 77340

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194941617, enumerated as an "organization" on April 17, 2007.

The provider is located at 110 MEMORIAL HOSPITAL DR HUNTSVILLE, TX 77340 and the phone number is (936) 291-3411.

Physical Medicine & Rehabilitation with taxonomy code 208100000X.