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PROVIDER PROFILE · NPI 1023118981

David RiehnD.O.

PRACTICEW4P LLCSee all providers at this practice →
AnesthesiologyCrystal River, FLI
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
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
845
Unique beneficiaries
—
Total services
994
Distinct HCPCS
12
Medicare payment
$47K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,376 Anesthesiology providers in FL — top quintile (cohort median 164).
REFERRAL NETWORK

Where David Riehn'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). 19 inbound referrers · 62 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Christopher Keen
Orthopedic Surgery · Lecanto, FL
95200
Constantine Toumbis
Orthopedic Surgery · Crystal River, FL
83121
Andrew Petrella
Orthopedic Surgery · Lecanto, FL
72151
Stephen Kauffman
Podiatry · Lecanto, FL
3260
DALY, EDWARD2951
Laboratory Corporation Of America
Clinical Laboratory · Tampa, FL
2429
Anil Ram
Gastroenterology · Crystal River, FL
2432
John Rowda
Ophthalmology · Lecanto, FL
1726
NATURE COAST EMERGENCY MEDICAL FOUNDATION INC1725
Nishant Nerella
Cardiology · Inverness, FL
1429
Charles Zachar
Diagnostic Radiology · Inverness, FL
1418
Sanjiv Shah
Nephrology · Crystal River, FL
1433
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Citrus Regional Surgery Center Lp
Ambulatory Surgical Center · Lecanto, FL
342401
Charles Clayton
Certified Registered Nurse Anesthetist (CRNA) · Tallahassee, FL
185235
CITRUS MEMORIAL HOSPITAL, INC.130170
CITRUS HMA LLC121174
GENDRON, LEO108133
Suncoast Endoscopy Asc Lp
Ambulatory Surgical Center · Inverness, FL
86101
Andrew Petrella
Orthopedic Surgery · Lecanto, FL
83211
Walter Choung
Orthopedic Surgery · Beverly Hills, FL
67219
CLARK, ROBERT66213
Christopher Keen
Orthopedic Surgery · Lecanto, FL
65154
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
5497
Joana Faber
Pathology · Crystal River, FL
4756
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.