PROVIDER PROFILE · NPI 1598789760

Isabelle Vonalthen-DagumM.D.

GastroenterologyEast Setauket, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

577

Unique beneficiaries

—

Total services

666

Distinct HCPCS

Medicare payment

$75K

Peer benchmark

Total Medicare services vs. 1,360 Gastroenterology providers in NY — above median (cohort median 521).

PRESCRIBING · PART D · 2024

Total Rx claims

376

Beneficiaries

—

Total drug cost

$288K

Distinct drugs

Brand share

31.9%

Top prescribed drugs

Omeprazole125 claims

Pantoprazole Sodium40 claims

Linaclotide29 claims

Famotidine29 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$288

Payment records

By payment type

Food and Beverage$288

REFERRAL NETWORK

Where Isabelle Vonalthen-Dagum'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Stephen Vlay Clinical Cardiac Electrophysiology · East Setauket, NY	53	124
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	51	205
William Lawson Interventional Cardiology · Islandia, NY	42	79
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	38	84
Tazeen Beg Anesthesiology · Stony Brook, NY	27	56
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	27	65
JOHN T. MATHER MEMORIAL HOSPITAL	21	44
Meng Wang Anesthesiology · Stony Brook, NY	19	47
Eric Feldmann Diagnostic Radiology · Stony Brook, NY	18	37
Syed Hoda Pathology · Stony Brook, NY	17	36
William Vuong Anesthesiology · Stony Brook, NY	17	32
Amy Gruen Anesthesiology · Stony Brook, NY	16	32

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