Jennifer Lynn Walker, DNP, CNP, AG-ACNP, T

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

71018224A Issued in IN

Practice address

4301 W Markham St # 500
Little Rock, AR 72205-7101

Phone

(501) 686-8000

Fax

(501) 526-5148

NPI assigned

Apr 21, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Other names 1

• Jennifer Emerson Former name

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in AR, IL2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jwalker330697@umassmemorial.direct-ci.com
• FHIR API: https://api.platform.athenahealth.com/16686/brand/1/csg/1/fhir/r4
• Direct secure messaging: jlwalker@direct.uabmedicine.org
• Direct secure messaging: jwalker774178@direct.baptist-healthar.org

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

• Arkansas Health Group

  dba Baptist Health Cardiothoracic Surgery Clinic

  • Surgery Physician
  • Little Rock, AR
  • NPI 1215275508
  Medicare reassignment NPD
• Saline Clinics LLC

  • Gastroenterology Physician
  • Benton, AR
  • NPI 1447609367
  Medicare reassignment NPD
• University of Arkansas for Medical Sciences

  • Internal Medicine Physician
  • Little Rock, AR
  • NPI 1588654016
  Medicare reassignment NPD
• Cogent Healthcare of Illinois, LLC

  • Internal Medicine Physician
  • Quincy, IL
  • NPI 1487897849

  Nurse Practitioner

  Medicare reassignment NPD
• Arkansas Health Group

  dba Baptist Health Surgical Clinic-Stuttgart

  • Surgery Physician
  • Stuttgart, AR
  • NPI 1952840555
  NPD
• University of Arkansas for Medical Sciences

  • Family Medicine Physician
  • El Dorado, AR
  • NPI 1023795051
  NPD
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  NPD (past)

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

{
    "created_epoch": "1398038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1952721615",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 E HURON ST STE 15-738",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-926-9218",
            "fax_number": "312-926-6134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4301 W MARKHAM ST # 500",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722057101",
            "telephone_number": "501-686-8000",
            "fax_number": "501-526-5148"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "251 E Huron St Ste 15-738",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112908",
            "country_code": "US",
            "telephone_number": "312-926-9218",
            "fax_number": "312-926-6134",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "JENNIFER",
        "middle_name": "LYNN",
        "credential": "DNP, CNP, AG-ACNP, T",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-21",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "AR",
            "license": "A004062",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209022483",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "IN",
            "license": "71018224A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LIC",
            "identifier": "A004062",
            "state": "AR"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016550002",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jwalker330697@UmassMemorial.direct-ci.com",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "016550002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "JENNIFER",
            "last_name": "EMERSON",
            "credential": "NP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Courtney Walker
• Cynthia Walker, MHPP
• Dashia Walker
• Erin Walker
• James D Walker, LAC
• Jessica B Walker, LAC
• Kaylin Walker
• Kendruea Walker
• Kianna Walker, APRN
• Kiesha Vanessa Walker, BA, MHPP

• Acute Care Nurse Practitioner in Little Rock, AR
• Providers in Little Rock, AR by specialty
• Acute Care Nurse Practitioner in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.