What is Willis Parsons's specialty?

Willis Parsons (NPI 1972578698) is a Medicare-billing provider whose primary specialty is Gastroenterology in Arlington Heights, IL.

Where does Willis Parsons practice?

Willis Parsons practices in Arlington Heights, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1972578698.

How much does Medicare pay Willis Parsons?

Willis Parsons (NPI 1972578698) received approximately $263K in total Medicare Part B payments, serving 856 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1972578698

Willis ParsonsM.D.

GastroenterologyArlington Heights, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,643

Unique beneficiaries

—

Total services

1,827

Distinct HCPCS

Medicare payment

$231K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

458

Beneficiaries

—

Total drug cost

$60K

Distinct drugs

Brand share

38.9%

Top prescribed drugs

Pantoprazole Sodium146 claims

Sodium, Potassium,mag Sulfates98 claims

Omeprazole73 claims

Amoxicillin/Potassium Clav36 claims

Levofloxacin28 claims

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

75.9

Cost

74.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$48K

Payment records

By payment type

Consulting Fee$23K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$23K

Food and Beverage$2K

Top paying entities

Consulting Fee$23K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$23K

Food and Beverage$2K

REFERRAL NETWORK

Where Willis Parsons'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). 69 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Stephen Zivin Diagnostic Radiology · Madison, CT	69	222
William Porter Pathology · Arlington Heights, IL	66	231
Alex Leverentz Physician Assistant · Arlington Heights, IL	65	209
Elizabeth Paddack Nurse Practitioner · Naperville, IL	58	165
Brian Bolton Pathology · Chicago, IL	52	158
Scott Preusen Diagnostic Radiology · Springfield, IL	49	138
Marc Roy Diagnostic Radiology · Arlington Heights, IL	43	114
Allison Moser Nurse Practitioner · Chicago, IL	42	144
MANGLANI, KISHEN	41	136
Vinay Singh Diagnostic Radiology · Arlington Heights, IL	40	104
Kenneth Spero Diagnostic Radiology · Arlington Heights, IL	39	133
Evan Oblonsky Diagnostic Radiology · Arlington Heights, IL	37	153

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