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