NPPES file of Aug 9, 2026

Bryan Arden Walker, MD

Infectious Disease Physician · Knoxville, TN

Bryan Arden Walker, MD is an infectious disease physician with a practice address in Knoxville, Tennessee, and NPI 1144727959, issued on Apr 9, 2018. Check the license (Tennessee 68493, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144727959
Name
Bryan Arden Walker
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
68493 TN
Self-reported in NPPES; status is on the state search
Practice location
1932 Alcoa Hwy Ste 580, Knoxville, TN 37920
Phone
(865) 305-6175
Enumerated
Apr 9, 2018
Record last updated
Dec 14, 2023
Fax
(865) 305-3488
Medicare enrollment
Enrolled (PECOS I20231010000176); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2018
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1932 Alcoa Hwy Ste 580

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Wang, MDInfectious Disease Physician1124524004

Verify Bryan Arden Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 68493
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

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28% fewer Medicare Part D claims than the average infectious disease physician in 2024

498 Medicare Part D claims for 117 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Bryan Walker498
  2. Specialty average689

Most prescribed

  1. Daptomycin47 claims
  2. Ceftriaxone43 claims
  3. Cephalexin37 claims
  4. Cefadroxil22 claims
  5. Tivicay22 claims
  6. Pifeltro20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 95.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $918.99

34 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Bryan Walker$918.99
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University Health System, Inc.Knoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bryan Arden Walker among 194 infectious disease physician records in Tennessee

Bryan Arden Walker, MD is one of 194 infectious disease physician records with a practice address in Tennessee. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2018 · median 2005 among the 145 with a school on file
  • Record last updated2023 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Tennessee

There are 194 infectious disease physician records in Tennessee.

The 8 infectious disease physician records with the nearest ZIP codes

  1. John Narro, MDKnoxville, TN 379201295815512
  2. Mark Rasnake, MDKnoxville, TN 379201962464644
  3. Raul Vasquez - Garagatti, M.D.Knoxville, TN 379201518283522
  4. Simi Vincent, MDKnoxville, TN 379201902836620
  5. James Wang, MDKnoxville, TN 379201124524004
  6. Teri Hodges, M.D.Knoxville, TN 379221265522452
  7. Megan Edwards, M.D.Knoxville, TN 379171730446535
  8. John Adams, M.D.Knoxville, TN 379161578542338

Common questions

What is Bryan Arden Walker, MD's NPI number?

Bryan Arden Walker, MD's National Provider Identifier (NPI) is 1144727959, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Bryan Arden Walker, MD located?

The NPPES record lists a practice address at 1932 Alcoa Hwy Ste 580, Knoxville, TN, 37920. Phone: (865) 305-6175. Providers update this record themselves, so call before visiting.

How can I verify Bryan Arden Walker, MD's license?

NPPES lists Tennessee license number 68493, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Bryan Arden Walker, MD prescribe under Medicare Part D?

In 2024, Bryan Arden Walker, MD had 498 Medicare Part D claims for 117 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Bryan Arden Walker, MD's MIPS final score?

The 2023 MIPS final score is 95.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.