Organization Active NPI

Karin E Olson and Robert L Williams, PA

  • Physical Medicine & Rehabilitation Physician
  • Huntsville, TX
National Provider Identifier
1194941617
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
Legal business name
KARIN E OLSON AND ROBERT L WILLIAMS, PA
Practice address
110 Memorial Hospital Dr
Huntsville, TX 77340-4940
Phone
(936) 291-3411
NPI assigned
Apr 17, 2007
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Dr. Robert Lewis Williams, M.D.
Title
President
Phone
(936) 295-2668

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X NU
Physical Medicine & Rehabilitation Physician 208100000X NU Primary
Hospitalist Physician 208M00000X NU
Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician 2081H0002X NU

Addresses

Primary practice location

110 Memorial Hospital Dr
Huntsville, TX 77340-4940

Mailing address

3817 Summer LN
Huntsville, TX 77340-8946
Phone (936) 714-9005

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1176768000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1194941617",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3817 SUMMER LN",
            "city": "HUNTSVILLE",
            "state": "TX",
            "postal_code": "773408946",
            "telephone_number": "936-714-9005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 MEMORIAL HOSPITAL DR",
            "city": "HUNTSVILLE",
            "state": "TX",
            "postal_code": "773404940",
            "telephone_number": "936-291-3411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KARIN E OLSON AND ROBERT L WILLIAMS, PA",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-04-17",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "LEWIS",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "936-295-2668",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2081H0002X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Hospice and Palliative Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Huntsville, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.