DR. MICHAEL DAVID EISENHAUER M.D.
NPI 1821064510
Internal Medicine - Interventional Cardiology in Great Falls, MT

Q: What is Michael Eisenhauer's NPI number?

The NPI number for Michael Eisenhauer is 1821064510. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Q: What is Michael Eisenhauer's specialty?

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

Active since February 23, 2006PECOS EnrolledAccepts Medicare Assignment

1300 28TH ST S FL 2, GREAT FALLS, MT 59405(406) 455-4320(406) 455-4977 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 16, 2026, Jan 15, 2026, Apr 5, 2023 and 3 more (6 updates tracked since 2016).

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About Dr. Michael David Eisenhauer M.d. NPPES

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

DR. MICHAEL DAVID EISENHAUER M.D. (NPI 1821064510) is an individual interventional cardiology provider in Great Falls, Montana, licensed in Wisconsin (14080) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Hlth Center, and is a graduate of Georgetown University School Of Medicine (1990).

NPPES Registry Identity

NPI1821064510

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. MICHAEL DAVID EISENHAUERCredential: M.D.

Location Address1300 28TH ST S FL 2Great Falls, MT 59405-5296

Mailing Address1300 28th St S Fl 2Great Falls, MT 59405-5296 · (406) 455-4320 · Fax (406) 455-4977

Phone(406) 455-4320

Fax(406) 455-4977

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1990

Enumeration DateFebruary 23, 2006

Last NPPES UpdateMarch 16, 20266 updates tracked since enumeration

NPPES CertifiedMarch 16, 2026

✔ NPI 1821064510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

Licenses✔ Licensed in WI · 14080✔ Licensed in IL · 036176853✔ Licensed in MT · 41293

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.

1300 28TH ST S FL 2, Great Falls, MT 59405

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Other Identifiers 1

Medicaid100387914WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Dr. Michael David Eisenhauer 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 ID3476678996

PECOS Enrollment IDI20250723001175, I20250917000300, I20260120003910

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 11

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.

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.

247 services244 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

194 services186 patients

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.

101 services91 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

33 services33 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

32 services28 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

25 services25 patients

Hospital Affiliations CMS Care Compare 3

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

Good Samaritan Regional Hlth Center

Acute Care Hospitals · Mount Vernon, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140046

Location1 Good Samaritan WayMount Vernon, IL 62864 · Jefferson County

Emergency services Birthing friendly

Essentia Health St Joseph's Medical Center

Acute Care Hospitals · Brainerd, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240075

Location523 North 3rd StreetBrainerd, MN 56401 · Crow Wing County

Emergency services Birthing friendly

Aurora Medical Ctr Oshkosh

Acute Care Hospitals · Oshkosh, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520198

Location855 N Westhaven DriveOshkosh, WI 54904 · Winnebago County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59405 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

$130.52 typical visit price

range $56.81 – $172.26

Typical copayment $32.63 (range $14.20 – $43.06)

Most-billed visit code 99204

Established Patient

$100.16 typical visit price

range $18.24 – $140.32

Typical copayment $25.04 (range $4.56 – $35.08)

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.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALFREDO RAFAEL RAMIREZ M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)