PROVIDER PROFILE · NPI 1528162898

William BayerMD

PRACTICEAUDIOLOGIC SERVICES, LTD.See all providers at this practice →

EndocrinologyCarol Stream, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,359

Unique beneficiaries

—

Total services

12,498

Distinct HCPCS

Medicare payment

$299K

Peer benchmark

Total Medicare services vs. 262 Endocrinology providers in IL — top quintile (cohort median 1,061).

PRESCRIBING · PART D · 2024

Total Rx claims

5,257

Beneficiaries

—

Total drug cost

$2.4M

Distinct drugs

Brand share

53.2%

Top prescribed drugs

Levothyroxine Sodium1,093 claims

Semaglutide565 claims

Levothyroxine Sodium372 claims

Metformin Hcl203 claims

Empagliflozin198 claims

QUALITY · MIPS · 2024

Final MIPS score

95.6

Quality

88.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.87%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

REFERRAL NETWORK

Where William Bayer'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CENTRAL DUPAGE HOSPITAL ASSOCIATION	384	1,678
DELNOR COMMUNITY HOSPITAL	43	118
Joaquin Heng Internal Medicine · Carol Stream, IL	34	122
Robin Pastore Podiatry · Winfield, IL	30	74
John Treanor Diagnostic Radiology · Winfield, IL	28	67
Michael Tseng Diagnostic Radiology · Winfield, IL	28	80
Morlie Wang Diagnostic Radiology · Winfield, IL	23	48
EDWARD HOSPITAL	21	64
Robert Nierzwicki Cardiology · Winfield, IL	21	127
Robert Gross Diagnostic Radiology · Cincinnati, OH	20	46
Michael Nixon Diagnostic Radiology · Winfield, IL	20	102
Lee Campano Internal Medicine · Milford, MA	19	108

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