What is Brent Walker's specialty?

Brent Walker (NPI 1528069119) is a Medicare-billing provider whose primary specialty is Physician Assistant in Tucson, AZ.

Where does Brent Walker practice?

Brent Walker practices in Tucson, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1528069119.

How much does Medicare pay Brent Walker?

Brent Walker (NPI 1528069119) received approximately $266K in total Medicare Part B payments, serving 432 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528069119

Brent WalkerPA-C

PRACTICETUCSON ORTHOPAEDIC INSTITUTE PROFESSIONAL CORPORATIONSee all providers at this practice →

Physician AssistantTucson, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,299

Unique beneficiaries

—

Total services

24,076

Distinct HCPCS

Medicare payment

$256K

Peer benchmark

Total Medicare services vs. 2,639 Physician Assistant providers in AZ — top quintile (cohort median 341).

PRESCRIBING · PART D · 2024

Total Rx claims

486

Beneficiaries

—

Total drug cost

$7K

Distinct drugs

Brand share

10.9%

Top prescribed drugs

Celecoxib274 claims

Oxycodone Hcl79 claims

Methocarbamol51 claims

Hydrocodone/Acetaminophen35 claims

Oxycodone Hcl/Acetaminophen18 claims

QUALITY · MIPS · 2024

Final MIPS score

96.6

Quality

20.0

Cost

78.3

Improvement activities

40.0

Promoting interop.

96.0

Payment adjustment

0.91%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Brent Walker's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TUCSON MEDICAL CENTER	91	156
Guruprasad Raju Internal Medicine · Tucson, AZ	21	27
Salvatore Tirrito Cardiology · Tucson, AZ	14	21
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC	11	34
Cristian Bratu Anesthesiology · Tucson, AZ	11	20

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events