DR. MICHAEL S STRUPP M.D.
NPI 1992144844
Internal Medicine - Gastroenterology in Summit, WI

Q: What is Michael Strupp's NPI number?

The NPI number for Michael Strupp is 1992144844. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Q: What is Michael Strupp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Michael Strupp was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since June 24, 2013PECOS EnrolledAccepts Medicare Assignment

36500 AURORA DR, SUMMIT, WI 53066(262) 434-1000(262) 434-5050 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 4, 2025, Nov 24, 2021, Feb 18, 2020 and 1 more (4 updates tracked since 2019).

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About Dr. Michael S Strupp M.d. NPPES

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

DR. MICHAEL S STRUPP M.D. (NPI 1992144844) is an individual gastroenterology provider in Summit, Wisconsin, licensed in Wisconsin (71658) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and maintains a secondary practice location in Omaha.

NPPES Registry Identity

NPI1992144844

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MICHAEL S STRUPPCredential: M.D.

Location Address36500 AURORA DRSummit, WI 53066-4899

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(262) 434-1000

Fax(262) 434-5050

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateJune 24, 2013

Last NPPES UpdateSeptember 4, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1992144844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WI · 71658

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 6994 (NE), 71658 (WI)

36500 AURORA DR, Summit, WI 53066

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Secondary Practice Location 1

Location 12938 S 93rd Plz, Apt. 20Omaha, NE 68124-2857 · Phone (920) 979-2484

Other Identifiers 1

Medicaid100092466WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael S Strupp 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 ID5496970634

PECOS Enrollment IDI20190916002613

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.

Medicare Billing Reassignments

Medicare enrollment records show Michael Strupp reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.

23 mi

Obstetrics & Gynecology

8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227

Reassigned Medicare billing, Wisconsin enrollment
4,609 clinicians in this Medicare group

NPI 1457592735 (414) 328-8650

Swedishamerican Hospital

51 mi

Family Medicine

4282 E ROCKTON RD
Roscoe, IL 61073

Reassigned Medicare billing, Illinois enrollment
474 clinicians in this Medicare group

NPI 1386054062 (779) 696-9000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

77 services76 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

66 services65 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

42 services30 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

40 services30 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

36 services28 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

36 services34 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.

29 services23 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

27 services27 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

23 services23 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.

20 services20 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

15 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Uw Health

Acute Care Hospitals · Rockford, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140228

Location1401 East State StreetRockford, IL 61104 · Winnebago County

Emergency services Birthing friendly

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 Michael Strupp's NPI number?

The NPI number for Michael Strupp is 1992144844. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Where is Michael Strupp located?

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

What is Michael Strupp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Strupp enrolled in Medicare?

Yes. Michael Strupp 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.

Which organizations bill Medicare for Michael Strupp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Strupp reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (West Allis, WI) and Swedishamerican Hospital (Roscoe, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Strupp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Strupp affiliated with any hospitals?

According to CMS data, Michael Strupp is affiliated with Uw Health, Aurora St Lukes Medical Center and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Michael Strupp was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.