What is William Ennis's specialty?

William Ennis (NPI 1649225988) is a Medicare-billing provider whose primary specialty is Family Practice in Chicago, IL.

Where does William Ennis practice?

William Ennis practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1649225988.

How much does Medicare pay William Ennis?

William Ennis (NPI 1649225988) received approximately $48K in total Medicare Part B payments, serving 191 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649225988

William EnnisD.O.

PRACTICEBOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOISSee all providers at this practice →

Family PracticeChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

323

Unique beneficiaries

—

Total services

690

Distinct HCPCS

Medicare payment

$39K

Peer benchmark

Total Medicare services vs. 3,221 Family Practice providers in IL — above median (cohort median 556).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pentoxifylline38 claims

Doxycycline Monohydrate14 claims

QUALITY · MIPS · 2024

Final MIPS score

93.3

Quality

73.5

Cost

70.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.77%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$28

Payment records

By payment type

Food and Beverage$28

Top paying entities

Food and Beverage$28

REFERRAL NETWORK

Where William Ennis'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). 27 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Elaine Papineau Certified Clinical Nurse Specialist · Kankakee, IL	107	810
Igor Altman Family Practice · Chicago, IL	95	612
Masood Qazi Cardiology · Oak Lawn, IL	34	63
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	28	89
PIERCE, KENNETH	20	46
Jeffrey Neiger Clinical Cardiac Electrophysiology · Oak Lawn, IL	19	56
James Song Diagnostic Radiology · Oak Lawn, IL	19	41
MAR, WINNIE	18	69
John Andreoni Internal Medicine · Palos Heights, IL	17	57
Adhir Shroff Cardiology · Chicago, IL	15	43
Jennifer Ennis Nephrology · Chicago, IL	15	76
VOSSOUGHI, FARHAD	15	380

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