What is Eva Sum's specialty?

Eva Sum (NPI 1679735518) is a Medicare-billing provider whose primary specialty is Gastroenterology in West Chester, PA.

Where does Eva Sum practice?

Eva Sum practices in West Chester, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1679735518.

How much does Medicare pay Eva Sum?

Eva Sum (NPI 1679735518) received approximately $175K in total Medicare Part B payments, serving 560 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1679735518

Eva SumM.D.

GastroenterologyWest Chester, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

946

Unique beneficiaries

—

Total services

1,035

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

Total Medicare services vs. 771 Gastroenterology providers in PA — top quintile (cohort median 585).

PRESCRIBING · PART D · 2024

Total Rx claims

682

Beneficiaries

—

Total drug cost

$92K

Distinct drugs

Brand share

17.9%

Top prescribed drugs

Famotidine251 claims

Omeprazole189 claims

Pantoprazole Sodium55 claims

Dicyclomine Hcl38 claims

Linaclotide31 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Eva Sum'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). 34 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COATESVILLE HOSPITAL CORPORATION	150	514
WEST GROVE HOSPITAL COMPANY LLC	62	156
Mwgi Llc Ambulatory Surgical Center · Downingtown, PA	53	86
Jeffrey Hare Diagnostic Radiology · Edina, MN	53	110
Cblpath, Inc Clinical Laboratory · Rye Brook, NY	52	98
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	46	121
Alexander Shpilman Internal Medicine · Thorndale, PA	40	81
Michael Sabadish Clinical Cardiac Electrophysiology · Thorndale, PA	36	70
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	33	90
CALLAHAN, DAVID	31	72
Tariq Quraishi Diagnostic Radiology · Wilmington, DE	26	47
CHESTER COUNTY HOSPITAL	26	50

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