Physician Profile
Based in Germantown, WI, Efstathios S. Naum, M.D. is listed in the NPI registry under interventional cardiology. Efstathios graduated from Loyola University of Chicago, Stritch School of Medicine in 1997. Efstathios is also listed as specializing in cardiovascular disease. According to Medicare claims data, Efstathios cared for 986 Medicare patients across 1,171 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, anticoagulant management of patient taking warfarin, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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W180N11070 RIVER LIN
Germantown, WI 53022
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Artery blockages
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
Vein conditions
Most searched procedures
Artery procedures
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
Valve replacement
Vein procedures
1,171 services · 986 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
69 | More often than most peers in Interventional Cardiology |
| 3d radiographic procedure | Imaging | 76376 |
35 | More often than most peers in Interventional Cardiology |
| 3d radiographic procedure | Imaging | 76376 |
25 | More often than most peers in Interventional Cardiology |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
14 | More often than most peers in Interventional Cardiology |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
171 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
150 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
78 | As often as other peers in Interventional Cardiology |
| Heart muscle strain imaging | Treatment | 93356 |
64 | More often than most peers in Interventional Cardiology |
| Heart muscle strain imaging | Treatment | 93356 |
57 | More often than most peers in Interventional Cardiology |
| Ultrasound of heart, follow-up | Treatment | 93308 |
42 | More often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Efstathios S. Naum is an interventional cardiologist in Germantown, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Efstathios S. Naum is listed at W180N11070 River Lin, Germantown, WI 53022. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (262) 532-8441. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Efstathios S. Naum's National Provider Identifier is 1205866332. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Efstathios S. Naum attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Efstathios S. Naum has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Efstathios S. Naum performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect and 3d radiographic procedure; provides treatments such as anticoagulant management of patient taking warfarin and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Efstathios S. Naum. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.