EFSTATHIOS S NAUM M.D.
NPI 1205866332
Internal Medicine - Interventional Cardiology in Germantown, WI

Active since July 04, 2006PECOS EnrolledAccepts Medicare Assignment
W180N11070 RIVER LIN, GERMANTOWN, WI 53022(262) 532-8441 Get Directions Write a Review

NPPES record last updated: February 9, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 9, 2025, Nov 22, 2021, Aug 22, 2018 (3 updates tracked since 2018).

About Efstathios S Naum M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EFSTATHIOS S NAUM M.D. (NPI 1205866332) is an individual interventional cardiology provider in Germantown, Wisconsin, licensed in Wisconsin (45229) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Health Care Central Inc, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1997).

NPPES Registry Identity

NPI1205866332
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameEFSTATHIOS S NAUMCredential: M.D.
Location AddressW180N11070 RIVER LINGermantown, WI 53022
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1997
Enumeration DateJuly 4, 2006
Last NPPES UpdateFebruary 9, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2025
NPI 1205866332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in WI · 45229
Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 45229 (WI)
W180N11070 RIVER LIN, Germantown, WI 53022

Other Identifiers 2

Medicaid34335900WI
OtherP00449670WI · Rr Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Efstathios S Naum M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719922731
PECOS Enrollment IDI20050621000670
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
174 services157 patients
Anticoagulant management of patient taking warfarin 93793
Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.
171 services48 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
150 services150 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
78 services77 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
69 services68 patients
Heart muscle strain imaging 93356
Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.
64 services64 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aurora Health Care Central Inc

Acute Care Hospitals · Sheboygan, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520035
Location3400 Union AveSheboygan, WI 53081 · Sheboygan County
Emergency services Birthing friendly

Aurora Medical Ctr Washington County

Acute Care Hospitals · Hartford, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520038
Location1032 E Sumner StHartford, WI 53027 · Washington County
Emergency services

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Aurora Medical Center

Acute Care Hospitals · Grafton, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520207
Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Efstathios Naum's NPI number?

The NPI number for Efstathios Naum is 1205866332. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Efstathios Naum located?

Efstathios Naum practices at W180n11070 River Lin, Germantown, WI 53022. The listed phone number is (262) 532-8441.

What is Efstathios Naum's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Efstathios Naum enrolled in Medicare?

Yes. Efstathios Naum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Efstathios Naum accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Efstathios Naum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Efstathios Naum affiliated with any hospitals?

According to CMS data, Efstathios Naum is affiliated with Aurora Health Care Central Inc, Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Efstathios Naum was last updated on February 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.