Individual provider Active NPI

David Ryan Williams, MD

  • Anesthesiology Physician
  • Little Rock, AR
National Provider Identifier
1528649134
Registry record updated May 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
E-19777 Issued in AR
Practice address
4301 W Markham St
Little Rock, AR 72205-7101
Phone
(501) 686-8000
NPI assigned
Apr 15, 2021
Last updated
May 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X E-19777 AR Primary

Addresses

Primary practice location

4301 W Markham St
Little Rock, AR 72205-7101

Mailing address

11001 Executive Center Dr Ste 200
Little Rock, AR 72211-4393
Phone (501) 812-7215

Other practice location 1

9601 Baptist Health Dr Ste 1A
Little Rock, AR 72205-6321
Phone (501) 202-2093

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AR
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260521004536 AR Practitioner - Anesthesiology 4284012436

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

11001 Executive Ctr Dr
Suite 200
Little Rock, AR 72211-4393

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
E-19777ARMDAnesthesiology Physician

NPI Registry JSON

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

{
    "created_epoch": "1618444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1528649134",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11001 EXECUTIVE CENTER DR STE 200",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722114393",
            "telephone_number": "501-812-7215",
            "fax_number": "501-812-7207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4301 W MARKHAM ST",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722057101",
            "telephone_number": "501-686-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9601 Baptist Health Dr Ste 1A",
            "address_purpose": "LOCATION",
            "city": "Little Rock",
            "state": "AR",
            "postal_code": "722056321",
            "country_code": "US",
            "telephone_number": "501-202-2093",
            "fax_number": "501-202-6316",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "DAVID",
        "middle_name": "RYAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-15",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AR",
            "license": "E-19777",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Little Rock, AR

Sources for this page

Verify at the official NPI Registry.