PROVIDER PROFILE · NPI 1508858226

John VainderMD

GastroenterologyEvanston, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

493

Unique beneficiaries

—

Total services

591

Distinct HCPCS

Medicare payment

$53K

Peer benchmark

Total Medicare services vs. 606 Gastroenterology providers in IL — above median (cohort median 726).

PRESCRIBING · PART D · 2024

Total Rx claims

522

Beneficiaries

—

Total drug cost

$40K

Distinct drugs

Brand share

32.0%

Top prescribed drugs

Famotidine176 claims

Pantoprazole Sodium102 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl81 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl29 claims

Sodium, Potassium,mag Sulfates27 claims

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

67.7

Cost

80.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$293

Payment records

By payment type

Food and Beverage$293

REFERRAL NETWORK

Where John Vainder'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). 40 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRESENCE CHICAGO HOSPITALS NETWORK	364	938
Harsh Gupta Gastroenterology · Evanston, IL	108	216
Vishnu Gaiha Cardiology · Evanston, IL	104	205
Janis Atkinson Pathology · Evanston, IL	94	186
ENDEAVOR HEALTH CLINICAL OPERATIONS	69	191
City Of Chicago Ambulance Service Provider · Chicago, IL	52	91
Walter Glaws Gastroenterology · Gurnee, IL	49	92
NITITHAM, KAROON	46	104
Dorota Filipiuk Pathology · Evanston, IL	41	80
Judy Joseph Internal Medicine · Chicago, IL	38	198
Brian Huettl Emergency Medicine · Milwaukee, WI	38	65
DECIMO, AMANDA	36	83

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