What is Ernest Williams's specialty?

Ernest Williams (NPI 1588623292) is a Medicare-billing provider whose primary specialty is Gastroenterology in Oxford, MS.

Where does Ernest Williams practice?

Ernest Williams practices in Oxford, MS, based on the location reported in the CMS Medicare provider datasets for NPI 1588623292.

How much does Medicare pay Ernest Williams?

Ernest Williams (NPI 1588623292) received approximately $180K in total Medicare Part B payments, serving 673 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588623292

Ernest WilliamsMD

PRACTICEGASTROENTEROLOGY ASSOCIATES OF NORTH MSSee all providers at this practice →

GastroenterologyOxford, MSI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

849

Unique beneficiaries

—

Total services

891

Distinct HCPCS

Medicare payment

$107K

Peer benchmark

Total Medicare services vs. 100 Gastroenterology providers in MS — above median (cohort median 3,010).

PRESCRIBING · PART D · 2024

Total Rx claims

2,827

Beneficiaries

—

Total drug cost

$770K

Distinct drugs

Brand share

25.8%

Top prescribed drugs

Pantoprazole Sodium554 claims

Famotidine304 claims

Dicyclomine Hcl211 claims

Sodium, Potassium,mag Sulfates193 claims

Omeprazole164 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

15.5

Cost

78.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$16K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14K

Food and Beverage$2K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14K

Food and Beverage$2K

REFERRAL NETWORK

Where Ernest 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). 55 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BAPTIST MEMORIAL HOSPITAL NORTH MISSISSIPPI, INC	300	827
Endoscopy Center Of North Mississippi,llc Ambulatory Surgical Center · Oxford, MS	269	367
Penneye Holder Certified Registered Nurse Anesthetist (CRNA) · Oxford, MS	149	191
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	137	203
Mark Gunn Diagnostic Radiology · Oxford, MS	104	241
Stuart Roth Diagnostic Radiology · Oxford, MS	85	171
NPI 1497938690	79	136
Virgil Norris Diagnostic Radiology · Oxford, MS	78	180
Laura Moody Pathology · Memphis, TN	71	94
Justin May Interventional Cardiology · Germantown, TN	58	173
Mark Campbell Cardiology · Oxford, MS	50	105
Jacob Whelan Internal Medicine · Oxford, MS	50	200

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