William Alan Maxwell-Walker, APRN

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

A005334 Issued in AR

Practice address

511 W Main St
Russellville, AR 72801-3601

Phone

(479) 223-5130

Fax

(479) 567-5342

NPI assigned

Aug 23, 2017

Last updated

Mar 28, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• William Alan Walker Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Urgent Team of Arkansas Physicians LLCGroup PAC ID 1850539198, 155 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Marys Regional Medical Center Hospital, Russellville, AR, CCN 040041

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/DDAJAD
• Direct secure messaging: william.maxwell-walker.1@2110.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Urgent Team of Arkansas Physicians, LLC

  • Rural Health Clinic/Center
  • Searcy, AR
  • NPI 1992041370
  Medicare reassignment Care Compare group
• The Kirkland Family Medical Center, PA

  • Preferred Provider Organization
  • Dardanelle, AR
  • NPI 1316145022
  Medicare reassignment NPD
• Westside Family Clinic LLC

  • Family Nurse Practitioner
  • Russellville, AR
  • NPI 1801587779
  Medicare reassignment NPD
• Conway Regional Medical Center Inc

  dba Conway Medical Group

  • Family Medicine Physician
  • Conway, AR
  • NPI 1841200417
  Medicare reassignment
• Conway Regional Medical Center Inc

  dba Conway Regional Mobile Health Unit

  • Family Medicine Physician
  • Conway, AR
  • NPI 1043183544
  NPD
• Conway Regional Medical Center, Inc

  dba Conway Regional Medical Clinic-Russellville

  • Family Medicine Physician
  • Russellville, AR
  • NPI 1245729359
  NPD
• Monfee Medical Clinic

  • Family Medicine Physician
  • Russellville, AR
  • NPI 1154350213
  NPD
• St Marys Physician Services, LLC

  dba Cardiology Associates of North Central Arkansas

  • Interventional Cardiology Physician
  • Russellville, AR
  • NPI 1720356207
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Russellville Holdings LLC

  dba St . Mary's Regional Medical Center

  • General Acute Care Hospital
  • Russellville, AR
  • NPI 1033160049
  Care Compare affiliation

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

{
    "created_epoch": "1503446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743120000000",
    "number": "1215454178",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1601 N. CHURCH",
            "city": "ATKINS",
            "state": "AR",
            "postal_code": "72823",
            "telephone_number": "479-641-2255",
            "fax_number": "479-641-1889"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "511 W MAIN ST",
            "city": "RUSSELLVILLE",
            "state": "AR",
            "postal_code": "728013601",
            "telephone_number": "479-223-5130",
            "fax_number": "479-567-5342"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "232 Rachel Cir",
            "address_purpose": "LOCATION",
            "city": "Russellville",
            "state": "AR",
            "postal_code": "728028683",
            "country_code": "US",
            "telephone_number": "479-970-7423",
            "fax_number": "404-585-2688",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAXWELL-WALKER",
        "first_name": "WILLIAM",
        "middle_name": "ALAN",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-08-23",
        "last_updated": "2025-03-28",
        "certification_date": "2025-03-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AR",
            "license": "A005334",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "WILLIAM",
            "last_name": "WALKER",
            "middle_name": "ALAN",
            "credential": "APRN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Chadwick Jerold Masters, M.D.
• Ashley Mateos, LPC
• Sandra Jean Mathes, LCSW
• Elizabeth Mathis
• Maxus Inc (Arkansas Counseling Associates)
• Leigh Alexandria Maxwell
• Jessica May
• Rachael May
• Bryhanna Mays
• Dione Mays

• Family Nurse Practitioner in Russellville, AR
• Providers in Russellville, AR by specialty
• Family Nurse Practitioner in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.