1. Home
  2. Directory
  3. Wisconsin
  4. Summit
  5. Internal Medicine
  6. NPI Profile

ETHAN ROSEN
NPI 1427799543
Internal Medicine in Summit, WI

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment
36500 AURORA DR, SUMMIT, WI 53066(262) 434-1000 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 10, 2025, Apr 5, 2022 (2 updates tracked since 2022).

About Ethan Rosen NPPES

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

ETHAN ROSEN (NPI 1427799543) is an individual internal medicine provider in Summit, Wisconsin, licensed in Wisconsin (83425-20) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Washington County, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1427799543
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameETHAN ROSEN
Location Address36500 AURORA DRSummit, WI 53066-4899
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(262) 434-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateSeptember 10, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1427799543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WI · 83425-20
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
36500 AURORA DR, Summit, WI 53066
Open in Google Maps ↗

Other Identifiers 1

Medicaid100222737WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, CareSource (Common Ground Healthcare).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

Ethan Rosen 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 ID5991174369
PECOS Enrollment IDI20250703001577
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.

Hospital Affiliations CMS Care Compare 3

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

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 - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, WI 53066 · Waukesha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53066 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.

Other Providers at the Same Location NPPES 20

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

BIJAN NEZAMI
Internal Medicine (Critical Care Medicine)
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-1000
KEVIN L EGGLESTON M.D.
Hospitalist
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-4711
KODY LEWIS PA C
Physician Assistant
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-1000
REBECCA M STRIET M.D.
Preventive Medicine (Undersea and Hyperbaric Medicine)
36500 AURORA DR, DEPARTMENT OF WOUND CARE/HYPERBARIC MEDICINE 3RD FLOOR
SUMMIT, WI 53066
Waukesha County (262) 434-5000
REBECCA SUSA DPT, ATC-L
Physical Therapist
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-2600
VIJAY JOHNSON M.D
Internal Medicine (Critical Care Medicine)
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-1000
MRS. KELLY S CAMPBELL ANP-BC
Nurse Practitioner
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-1000
DR. BRETT MCLACHLAN M.D.
Emergency Medicine
36500 AURORA DR
SUMMIT, WI 53066
Waukesha County (262) 434-1000

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 Ethan Rosen's NPI number?

The NPI number for Ethan Rosen is 1427799543. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Ethan Rosen located?

Ethan Rosen practices at 36500 Aurora Dr, Summit, WI 53066. The listed phone number is (262) 434-1000.

What is Ethan Rosen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ethan Rosen enrolled in Medicare?

Yes. Ethan Rosen 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 Ethan Rosen accept?

Health plans from Aspirus Health Plan and CareSource (Common Ground Healthcare) list Ethan Rosen 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 Ethan Rosen affiliated with any hospitals?

According to CMS data, Ethan Rosen is affiliated with Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Ethan Rosen was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.