Individual provider Active NPI

Jock Carrington Lillard, MD

  • Neurological Surgery Physician
  • Memphis, TN
National Provider Identifier
1689171688
Registry record updated Feb 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
73646 Issued in TN
Practice address
6325 Humphreys Blvd
Memphis, TN 38120-2300
Phone
(901) 522-7700
Fax
(901) 522-2600
NPI assigned
Apr 7, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X 73646 TN Primary
Neurological Surgery Physician 207T00000X E-19154 AR
Neurological Surgery Physician 207T00000X 34796 MS

Addresses

Primary practice location

6325 Humphreys Blvd
Memphis, TN 38120-2300

Mailing address

6325 Humphreys Blvd
Memphis, TN 38120-2300
Phone (901) 522-7700

Other practice location 1

262 Danny Thomas Pl
Memphis, TN 38105-3678
Phone (901) 595-3300

Other identifiers 3

IdentifierTypeStateIssuer
200020745MedicaidMS
343112001MedicaidAR
Q041695MedicaidTN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MS, AR, TN3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20250417000580 MS Practitioner - Neurosurgery 5597280016 Reassigns benefits to 1 organization
I20250428003151 AR Practitioner - Neurosurgery 5597280016 Reassigns benefits to 2 organizations
I20250512001787 TN Practitioner - Neurosurgery 5597280016 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Semmes-Murphey Clinic PCGroup PAC ID 1254235914, 66 clinicians
Arkansas Health GroupGroup PAC ID 7911802079, 645 clinicians

Practice addresses (Care Compare)

391 Southcrest Cir
Suite 205
Southaven, MS 38671-6729
Phone (901) 260-6100

4802 E Johnson Ave
FL 4
Jonesboro, AR 72405-8413
Phone (901) 522-7700

6325 Humphreys Blvd
Memphis, TN 38120-2300
Phone (901) 522-7700

815 Hogan LN
Suite 5
Conway, AR 72034-7960
Phone (501) 224-0200

Hospital & facility affiliations

  • Regional One Health Hospital, Memphis, TN, CCN 440152
  • Baptist Memorial Hospital Hospital, Memphis, TN, CCN 440048
  • Baptist Memorial Hospital Jonesboro, Inc. Hospital, Jonesboro, AR, CCN 040118
  • Methodist Hospitals of Memphis Hospital, Memphis, TN, CCN 440049
  • St Bernards Medical Center Hospital, Jonesboro, AR, CCN 040020

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion296
Laminectomy or laminotomy (partial removal of spine bones)43
Removal of tissue1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Arkansas Health Group Neurological Surgery CurrentSince Jan 1, 2026 Accepting new patients
Semmes-Murphey Clinic PC Neurological Surgery CurrentSince Apr 20, 2025 Accepting new patients
Semmes-Murphey Clinic PC Current Accepting new patients
Arkansas Health Group CurrentSince Jan 1, 2026 Accepting new patients
St Jude Children'S Research Hospital, Inc. CurrentSince Dec 15, 2025 Accepting new patients

Locations

815 Hogan Ln
Ste 5
Conway, AR 72034
Phone (501) 329-1888

4802 E Johnson Ave
Fl 4
Jonesboro, AR 72405

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

391 Southcrest Cir
Ste 205
Southaven, MS 38671
Phone (662) 536-0900

6011 Airline Rd
Ste 102
Arlington, TN 38002
Phone (901) 557-7077

2996 Kate Bond Rd
Ste 211
Bartlett, TN 38133
Phone (731) 307-8888

9950 Crooked Creek Rd
Collierville, TN 38017
Phone (662) 822-3298

262 Danny Thomas Pl
Memphis, TN 38105
Phone (888) 226-4343

6325 Humphreys Blvd
Memphis, TN 38120
Phone (901) 522-7739

Interoperability endpoints

  • Direct secure messaging: jock.lillard.1@28653.direct.athenahealth.com

Organizations & group practices 5

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1523059200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1689171688",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6325 HUMPHREYS BLVD",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202300",
            "telephone_number": "901-522-7700",
            "fax_number": "901-522-2600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6325 HUMPHREYS BLVD",
            "city": "MEMPHIS",
            "state": "TN",
            "postal_code": "381202300",
            "telephone_number": "901-522-7700",
            "fax_number": "901-522-2600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "262 Danny Thomas Pl",
            "address_purpose": "LOCATION",
            "city": "Memphis",
            "state": "TN",
            "postal_code": "381053678",
            "country_code": "US",
            "telephone_number": "901-595-3300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LILLARD",
        "first_name": "JOCK",
        "middle_name": "CARRINGTON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-07",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "TN",
            "license": "73646",
            "primary": true
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "AR",
            "license": "E-19154",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "MS",
            "license": "34796",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200020745",
            "state": "MS"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "343112001",
            "state": "AR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q041695",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Memphis, TN

Sources for this page

Verify at the official NPI Registry.