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PROVIDER PROFILE · NPI 1407826993

John SiddensD.O.

OphthalmologyGreenville, SCI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
81
Beneficiaries
—
Total drug cost
$836
Distinct drugs
3
Brand share
79.0%
Top prescribed drugs
Neomycin/Polymyxin B/Dexametha45 claims
Erythromycin Base19 claims
Methylprednisolone17 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
724
Unique beneficiaries
—
Total services
10,735
Distinct HCPCS
12
Medicare payment
$159K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 262 Ophthalmology providers in SC — top quintile (cohort median 3,252).
REFERRAL NETWORK

Where John Siddens'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). 5 inbound referrers · 17 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BUCKREIS, DAVID4277
Peter Netzler
Clinical Cardiac Electrophysiology · Greenville, SC
2242
Theodore Rothman
Anesthesiology · Greenville, SC
1527
Jesse Jorgensen
Interventional Cardiology · Greenville, SC
1225
Megan Thacker
Certified Registered Nurse Anesthetist (CRNA) · Greenville, SC
1118
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
GREENVILLE HEALTH SYSTEM208491
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
4474
WESTON, LAWRENCE3671
BUCKREIS, DAVID3139
Yin Chan
Certified Registered Nurse Anesthetist (CRNA) · Greenville, SC
2663
Jill Clemment
Certified Registered Nurse Anesthetist (CRNA) · Greenville, SC
2259
Clare Dover
Anesthesiology · Jacksonville, FL
2254
Craig Hudak
Cardiology · Greenville, SC
1833
GREENVILLE HEALTH SYSTEM1623
LYSAK, STEVEN1534
Markella Deering
Certified Registered Nurse Anesthetist (CRNA) · Greenville, SC
1437
Andrew Brenyo
Clinical Cardiac Electrophysiology · Rock Hill, SC
1334
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.