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PROVIDER PROFILE · NPI 1407846561

W. WilliamsM.D.

PRACTICEDOUGLAS G DAY, MD PCSee all providers at this practice →
Radiation OncologyAtlanta, GAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
210
Beneficiaries
—
Total drug cost
$3K
Distinct drugs
2
Brand share
0.0%
Top prescribed drugs
Tamsulosin Hcl168 claims
Doxazosin Mesylate42 claims
QUALITY · MIPS · 2024
Final MIPS score
74.9
Quality
60.2
Cost
69.3
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
-0.01%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$122
Payment records
1
By payment type
Food and Beverage$122
Top paying entities
Food and Beverage$122
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,117
Unique beneficiaries
—
Total services
4,357
Distinct HCPCS
20
Medicare payment
$289K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 139 Radiation Oncology providers in GA — top quintile (cohort median 1,616).
REFERRAL NETWORK

Where W. 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). 7 inbound referrers · 9 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHSIDE HOSPITAL, INC.1171,556
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
2285
SANDERS, WILLIAM16135
A Sherlag
Urology · Snellville, GA
14170
NORTHSIDE HOSPITAL, INC.1377
Sreekanth Vemuri
Diagnostic Radiology · Atlanta, GA
1273
Sreekanth Reddy
Hematology-Oncology · Vidalia, GA
11159
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHSIDE HOSPITAL, INC.1551,775
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tucker, GA
34159
Gary Stillwagon
Radiation Oncology · Lawrenceville, GA
212,118
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
1893
SANDERS, WILLIAM1260
NORTHSIDE HOSPITAL, INC.1259
Charles Upshaw
Diagnostic Radiology · Atlanta, GA
1230
SAINT JOSEPHS HOSPITAL OF ATLANTA INC1128
NPI 15280323561127
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.