What is Mark Stillwell's specialty?

Mark Stillwell (NPI 1568459451) is a Medicare-billing provider whose primary specialty is Infectious Disease in Fort Smith, AR.

Where does Mark Stillwell practice?

Mark Stillwell practices in Fort Smith, AR, based on the location reported in the CMS Medicare provider datasets for NPI 1568459451.

How much does Medicare pay Mark Stillwell?

Mark Stillwell (NPI 1568459451) received approximately $16K in total Medicare Part B payments, serving 30 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1568459451

Mark StillwellM.D.

Infectious DiseaseFort Smith, ARI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

126

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 30 Infectious Disease providers in AR — bottom quintile (cohort median 978).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Stillwell'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). 40 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WASHINGTON REGIONAL MEDICAL CENTER	100	482
Laboratory Corporation Of America Clinical Laboratory · Dallas, TX	93	308
Stephen Hennigan Infectious Disease · Fayetteville, AR	65	331
Barry Wetsell Diagnostic Radiology · Fayetteville, AR	62	289
PHELAN, DAVID	60	222
Daniel Young Infectious Disease · Bentonville, AR	59	111
Eric Sale Diagnostic Radiology · Fayetteville, AR	47	115
David Jong Diagnostic Radiology · Little Rock, AR	44	260
NPI 1366698862	41	151
Douglas Elliott Interventional Radiology · Little Rock, AR	41	124
Michael Flick Diagnostic Radiology · Little Rock, AR	41	113
Ralph Panek Diagnostic Radiology · Fayetteville, AR	38	121

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