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PROVIDER PROFILE · NPI 1770514416

David ThiemannM.D.

PRACTICEJOHNS HOPKINS HOSPITALSee all providers at this practice →
CardiologyBaltimore, MDI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
368
Unique beneficiaries
—
Total services
503
Distinct HCPCS
8
Medicare payment
$43K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 450 Cardiology providers in MD — bottom quintile (cohort median 3,358).
REFERRAL NETWORK

Where David Thiemann'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). 66 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
John Eng
Diagnostic Radiology · Baltimore, MD
92146
Matthews Chacko
Cardiology · Nashville, TN
85167
CORRETTI, MARY72103
David Feigin
Diagnostic Radiology · Baltimore, MD
64117
Ulrike Hamper
Diagnostic Radiology · Baltimore, MD
5372
Rosanne Rouf
Advanced Heart Failure and Transplant Cardiology · Ann Arbor, MI
49118
Gerin Stevens
Cardiology · New York, NY
4569
Thomas Traill
Cardiology · Baltimore, MD
4260
Ryan Tedford
Cardiology · Charleston, SC
3857
Alan Cheng
Clinical Cardiac Electrophysiology · Baltimore, MD
3763
Bruce Perler
Vascular Surgery · Baltimore, MD
3761
Elliot Fishman
Diagnostic Radiology · Baltimore, MD
3159
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.