What is John Affronti's specialty?

John Affronti (NPI 1023020872) is a Medicare-billing provider whose primary specialty is Gastroenterology in Lutherville, MD.

Where does John Affronti practice?

John Affronti practices in Lutherville, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1023020872.

How much does Medicare pay John Affronti?

John Affronti (NPI 1023020872) received approximately $29K in total Medicare Part B payments, serving 207 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1023020872

John AffrontiM.D.

GastroenterologyLutherville, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

226

Unique beneficiaries

—

Total services

240

Distinct HCPCS

Medicare payment

$24K

Peer benchmark

Total Medicare services vs. 343 Gastroenterology providers in MD — bottom quintile (cohort median 894).

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 · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 210009

Hospital

CCN 210029

Hospital

REFERRAL NETWORK

Where John Affronti'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). 13 inbound referrers · 38 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AU MEDICAL CENTER, INC	156	704
KESHAVAMURTHY, JAYANTH	34	123
Gold Cross Ems, Inc. Ambulance Service Provider · Martinez, GA	25	46
Lloyd Schnuck Diagnostic Radiology · Augusta, GA	21	79
Humberto Sifuentes Gastroenterology · Augusta, GA	13	86
Gyanendra Sharma Cardiology · Augusta, GA	13	31
Ferdinand Schafer Emergency Medicine · Augusta, GA	13	25
Gilberto Sostre Diagnostic Radiology · Augusta, GA	12	37
William Davis Pulmonary Disease · Augusta, GA	12	48
Kandace Klein Diagnostic Radiology · Augusta, GA	12	26
Christie Somers Arietti Internal Medicine · Athens, GA	11	28
Laura Mulloy Nephrology · Augusta, GA	11	74

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
AU MEDICAL CENTER, INC	172	941
Norman Thomson Diagnostic Radiology · Augusta, GA	33	107
KESHAVAMURTHY, JAYANTH	33	154
NPI 1316038128	32	90
Lloyd Schnuck Diagnostic Radiology · Augusta, GA	27	154
Gold Cross Ems, Inc. Ambulance Service Provider · Martinez, GA	27	66
Bennett Greenspan Diagnostic Radiology · Augusta, GA	23	56
Janet Munroe Diagnostic Radiology · Augusta, GA	23	72
Emi Taylor Hewitt Anesthesiology Assistant · Fayetteville, NC	21	61
Thomas Estes Diagnostic Radiology · Augusta, GA	20	42
Sumanth Daram Gastroenterology · Augusta, GA	20	65
William Bates Diagnostic Radiology · Augusta, GA	19	33

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