PROVIDER PROFILE · NPI 1962408443

John CorlessMD

PRACTICECHARLESTON ENDOSCOPY CENTERSee all providers at this practice →

GastroenterologyCharleston, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 205 Gastroenterology providers in SC — bottom quintile (cohort median 867).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Peg3350/Sod Sulf,bicarb,cl/Kcl37 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl21 claims

QUALITY · MIPS · 2024

Final MIPS score

79.0

Quality

62.4

Cost

72.7

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.17%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Corless'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). 47 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Charleston Endoscopy Center Ambulatory Surgical Center · Charleston, SC	247	317
Ap Laboratories Clinical Laboratory · North Charleston, SC	127	166
R Livingston Internal Medicine · Charleston, SC	101	206
Johnny Campbell Diagnostic Radiology · Charleston, SC	59	135
Matthew Brady Diagnostic Radiology · Charleston, SC	55	94
MEDICAL UNIVERSITY HOSPITAL AUTHORITY	54	105
SMITH, ROBERT	36	73
Charleston County Government Ambulance Service Provider · North Charleston, SC	35	53
PROCTOR, WILLIAM	33	74
TRIDENT MEDICAL CENTER LLC	32	58
BAGG, MICHAEL	29	46
Neven Hadzijahic Gastroenterology · Charleston, SC	29	49

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