What is Clay Demattei's specialty?

Clay Demattei (NPI 1881621910) is a Medicare-billing provider whose primary specialty is General Surgery in Marion, IL.

Where does Clay Demattei practice?

Clay Demattei practices in Marion, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1881621910.

How much does Medicare pay Clay Demattei?

Clay Demattei (NPI 1881621910) received approximately $51K in total Medicare Part B payments, serving 209 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881621910

Clay DematteiMD

General SurgeryMarion, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

363

Unique beneficiaries

—

Total services

380

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 756 General Surgery providers in IL — above median (cohort median 318).

PRESCRIBING · PART D · 2024

Total Rx claims

141

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

28.4%

Top prescribed drugs

Sucralfate29 claims

Omeprazole25 claims

Metoclopramide Hcl21 claims

Hydrocodone/Acetaminophen17 claims

Famotidine15 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Clay Demattei'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MARION HOSPITAL CORPORATION	148	342
Randy Balmforth Diagnostic Radiology · Garden City, MI	69	148
HEARTLAND SURGERY LLC	55	101
HARBAL, KAREN	39	40
KELLER, JACK	38	123
Thomas Pliura Emergency Medicine · Normal, IL	31	56
RAKEY, DAVID	27	33
SOUTHERN ILLINOIS HOSPITAL SERVICES	26	53
CACHIA, RICHARD	24	29
Melissa Patton Pathology · Brentwood, TN	20	28
Suzanne Burge Family Practice · Du Quoin, IL	20	54
Richard Green Diagnostic Radiology · Chicago, IL	17	34

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