What is Nathan Walker's specialty?

Nathan Walker (NPI 1629087325) is a Medicare-billing provider whose primary specialty is Internal Medicine in Champaign, IL.

Where does Nathan Walker practice?

Nathan Walker practices in Champaign, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1629087325.

How much does Medicare pay Nathan Walker?

Nathan Walker (NPI 1629087325) received approximately $267K in total Medicare Part B payments, serving 551 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629087325

Nathan WalkerM.D.

PRACTICECHRISTIE CLINIC, LLCSee all providers at this practice →

Internal MedicineChampaign, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,203

Unique beneficiaries

—

Total services

9,416

Distinct HCPCS

Medicare payment

$260K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

16,819

Beneficiaries

—

Total drug cost

$1.7M

Distinct drugs

182

Brand share

25.0%

Top prescribed drugs

Atorvastatin Calcium1,048 claims

Levothyroxine Sodium692 claims

Hydrocodone/Acetaminophen653 claims

Amlodipine Besylate650 claims

Lisinopril591 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$20

Payment records

By payment type

Food and Beverage$20

Top paying entities

Food and Beverage$20

REFERRAL NETWORK

Where Nathan 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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE CARLE FOUNDATION HOSPITAL	42	177
JAMPALA, SADASIVA	39	105
Lawrence Atherton Internal Medicine · Champaign, IL	37	97
Batlagundu Lakshminarayanan Cardiology · Mattoon, IL	28	107
Salman Sheikh Pulmonary Disease · Aurora, IL	27	101
Subbiah Rajaguru Clinical Cardiac Electrophysiology · Champaign, IL	27	84
Tina Molis Diagnostic Radiology · Champaign, IL	23	48
Douglas Bull Ophthalmology · Reedsburg, WI	18	69
SCHMIDT, CHRIS	16	30
NPI 1033205208	15	55
Salim Khazoum Pathology · Champaign, IL	14	49
Syed Hussain Vascular Surgery · Kankakee, IL	12	43

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