Bryan Walker, MD
NPI 1144727959 · Infectious Disease Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bryan Walker, MD is a Infectious Disease Physician provider in Knoxville, TN (NPI 1144727959).
Provider details
- NPI number
- 1144727959
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
396 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 139 | $105 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 112 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 66 | $156 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $117 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Daptomycin | 47 | 11 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 43 | 11 |
| Cephalexin | 37 | — |
| Cefadroxil | 22 | — |
| Dolutegravir Sodiumbrand: Tivicay | 22 | — |
| Doravirinebrand: Pifeltro | 20 | — |
| Amoxicillin | 18 | 13 |
| Ertapenem Sodiumbrand: Ertapenem |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$919 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-09
- Last updated
- 2023-12-14
- Certified
- 2023-12-14
Frequently asked questions
- What is Bryan Walker's NPI number?
- Bryan Walker's National Provider Identifier (NPI) is 1144727959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bryan Walker's specialty?
- Bryan Walker is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Bryan Walker located?
- Bryan Walker's practice location on file with NPPES is 1932 Alcoa Hwy Ste 580, Knoxville, TN 37920-1588.
- What is Bryan Walker's phone number?
- The practice phone number listed in the NPPES registry for Bryan Walker is (865) 305-6175.
- Does Bryan Walker accept Medicare?
- Bryan Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bryan Walker's NPI active?
- Yes — Bryan Walker's NPI (1144727959) is active in the NPPES registry as of the last update on 2023-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.