What is Allen Williams's specialty?

Allen Williams (NPI 1073601324) is a Medicare-billing provider whose primary specialty is Internal Medicine in Rockford, IL.

Where does Allen Williams practice?

Allen Williams practices in Rockford, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1073601324.

How much does Medicare pay Allen Williams?

Allen Williams (NPI 1073601324) received approximately $90K in total Medicare Part B payments, serving 420 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1073601324

Allen WilliamsMD

Internal MedicineRockford, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,446

Unique beneficiaries

—

Total services

2,079

Distinct HCPCS

Medicare payment

$84K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

12,707

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

149

Brand share

19.6%

Top prescribed drugs

Atorvastatin Calcium1,093 claims

Amlodipine Besylate640 claims

Levothyroxine Sodium594 claims

Losartan Potassium398 claims

Lisinopril354 claims

QUALITY · MIPS · 2024

Final MIPS score

81.5

Quality

83.2

Cost

71.7

Improvement activities

40.0

Promoting interop.

77.0

Payment adjustment

0.27%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Home health agency

Hospital

Hospital

REFERRAL NETWORK

Where Allen Williams'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). 11 inbound referrers · 46 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Hyungmin Kang Diagnostic Radiology · Rockford, IL	42	113
Mubashir Ahmed Cardiology · Mchenry, IL	39	86
Martin Butler Diagnostic Radiology · Rockford, IL	38	103
Eric Cuasay Diagnostic Radiology · Rockford, IL	34	75
Mohamed Zeater Pulmonary Disease · Rockford, IL	26	84
Vivek Thappa Pulmonary Disease · Rockford, IL	19	87
Rajiv Mallik Clinical Cardiac Electrophysiology · Moline, IL	19	46
Guergana Enikova Cardiology · New Orleans, LA	16	40
Charles Sweeney Nephrology · Rockford, IL	11	22
Jon Strotkamp Emergency Medicine · Rockford, IL	11	23
Arvind Ponnambalam Critical Care (Intensivists) · Fayetteville, GA	11	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SWEDISHAMERICAN HOSPITAL	494	3,056
JAVON BEA HOSPITAL	51	180
Frank Bonelli Diagnostic Radiology · Beverly Hills, CA	49	118
Stephen Bernsten Diagnostic Radiology · Rockford, IL	45	108
Eric Cuasay Diagnostic Radiology · Rockford, IL	45	100
SAINT ANTHONY MEDICAL CENTER	41	115
Hyungmin Kang Diagnostic Radiology · Rockford, IL	40	98
Gaurav Shah Interventional Cardiology · Aurora, IL	37	108
Martin Butler Diagnostic Radiology · Rockford, IL	34	84
Marc Bernstein Diagnostic Radiology · Rockford, IL	32	72
Mubashir Ahmed Cardiology · Mchenry, IL	30	77
Edward Steffen Diagnostic Radiology · Rockford, IL	30	71

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