BRENT L WALKER M.D.
NPI 1952398687
Pain Medicine - Interventional Pain Medicine in Little Rock, AR

Active since September 27, 2005PECOS EnrolledAccepts Medicare Assignment
82.64/100
CMS Quality Rating
800 FAIR PARK BLVD, LITTLE ROCK, AR 72204(501) 500-3500(501) 777-3519 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 28, 2026, Jul 26, 2021, May 6, 2021 and 2 more (5 updates tracked since 2020).

About Brent L Walker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRENT L WALKER M.D. (NPI 1952398687) is an individual interventional pain medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-1138) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (1995).

NPPES Registry Identity

NPI1952398687
Entity TypeIndividualMale
Primary Taxonomy208VP0014X
Provider Legal NameBRENT L WALKERCredential: M.D.
Location Address800 FAIR PARK BLVDLittle Rock, AR 72204-1720
Mailing Address800 Fair Park BlvdLittle Rock, AR 72204-1720 · (501) 404-8007 · Fax (501) 904-3620
Fax(501) 777-3519
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 1995
Enumeration DateSeptember 27, 2005
Last NPPES UpdateMay 28, 20265 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1952398687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPain Medicine · Interventional Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code208VP0014X
License✔ Licensed in AR · E-1138
Definition
Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.
Also ListedAnesthesiologyTaxonomy 207L00000X · License E-1138 (AR)
800 FAIR PARK BLVD, Little Rock, AR 72204

Other Identifiers 9

Other18432000020AR · Qual Choice (lrpm)
Other71033532430AR · Qual Choice
Other050067293AR · Railroad Medicare (lrpm)
OtherS00826AR · Novasys
Other171973300AR · Us Dept. Of Labor Owcp
Other050067294AR · Railroad Medicare
Medicaid137517001AR
Other770132101AR · Arkansas Breastcare
Other5L114AR · Blue Cross Blue Shield

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brent L Walker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123019890
PECOS Enrollment IDI20050302000900
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brent Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Radiology
800 FAIR PARK BLVD
Little Rock, AR 72204
  • Reassigned Medicare billing, Arkansas enrollment
  • 176 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 36

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
958 services167 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
671 services402 patients
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483
This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.
428 services304 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
221 services151 patients
Injection of lower or sacral spine facet joint using imaging guidance, single level 64493
This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.
167 services99 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
159 services130 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality68.45
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
35%367 patients2/55-star benchmark: 87%
Documentation of Current Medications in the Medical Record
98%3,649 patients4/55-star benchmark: 100%
e-Prescribing
99%416 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
94%687 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
91%1,656 patients4/55-star benchmark: 98%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 99% · 1,526 patients
Patients screened: 100% · 1,526 patients
93%257 patients4/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
95%755 patients4/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
68%103 patients3/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 1% · 725 patients
Patients totalRate: 17% · 725 patients
16%725 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Neuromuscular stimulator, electronic shock unit E0745
DME-Other DME · category DE000N
1 supplier24 claims24 services$53.69 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery (Sports Medicine)
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Orthopaedic Surgery (Sports Medicine)
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Physician Assistant (Medical)
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Physical Therapist
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Nurse Practitioner (Family)
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Orthopaedic Surgery
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204
Nurse Practitioner (Family)
800 FAIR PARK BLVD
LITTLE ROCK, AR 72204

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brent Walker's NPI number?

The NPI number for Brent Walker is 1952398687. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Where is Brent Walker located?

Brent Walker practices at 800 Fair Park Blvd, Little Rock, AR 72204. The listed phone number is (501) 500-3500.

What is Brent Walker's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Is Brent Walker enrolled in Medicare?

Yes. Brent Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Brent Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brent Walker reassigns Medicare benefits to Orthoarkansas, PA (Little Rock, AR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brent Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brent Walker accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Brent Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brent Walker was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.