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PROVIDER PROFILE · NPI 1376609180

William TsiarasM.D.

OphthalmologyProvidence, RII
CROSS-REFERENCE

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REFERRAL NETWORK

Where William Tsiaras'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). 9 inbound referrers · 22 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
THE MIRIAM HOSPITAL106189
WOMEN & INFANTS HOSPITAL OF RHODE ISLAND2556
Jeffrey Drogin
Internal Medicine · East Providence, RI
2232
PROSPECT CHARTERCARE RWMC, LLC1626
KENT COUNTY MEMORIAL HOSPITAL1521
King To
Ophthalmology · Providence, RI
1213
Leslie Robinson-Bostom
Dermatology · Providence, RI
1215
FARRELL, DAVID1219
BLISS, THOMAS1116
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
East Side Clinical Laboratory, Inc.
Clinical Laboratory · East Providence, RI
127270
RHODE ISLAND HOSPITAL117256
THE MIRIAM HOSPITAL115223
SILVER SPRING HEALTH CARE MANAGEMENT, INC.80114
BROWN MEDICINE4567
COASTAL MEDICAL INC4593
COASTAL MEDICAL INC2637
WOMEN & INFANTS HOSPITAL OF RHODE ISLAND2571
Jeffrey Drogin
Internal Medicine · East Providence, RI
2332
SOUTH COUNTY HOSPITAL HEALTHCARE SYSTEM1728
COASTAL MEDICAL INC.1719
Robert Janigian
Ophthalmology · Providence, RI
1521
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.
PRESCRIBING · PART D · 2024
Total Rx claims
840
Beneficiaries
—
Total drug cost
$77K
Distinct drugs
13
Brand share
29.0%
Top prescribed drugs
Latanoprost287 claims
Timolol Maleate184 claims
Bimatoprost99 claims
Brimonidine Tartrate68 claims
Dorzolamide Hcl/Timolol Maleat48 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
859
Unique beneficiaries
—
Total services
1,183
Distinct HCPCS
5
Medicare payment
$80K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 66 Ophthalmology providers in RI — below median (cohort median 1,878).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$139
Payment records
6
By payment type
Food and Beverage$139
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
0.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Group