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DR. STEVEN M SCHWIMMER D.O.
NPI 1841253143
Internal Medicine - Infectious Disease in Mount Pleasant, WI

Active since April 08, 2006PECOS Enrolled
3803 SPRING ST STE 400, MOUNT PLEASANT, WI 53405(262) 687-8310 Get Directions Write a Review

NPPES record last updated: September 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 20, 2024, Apr 14, 2023, Feb 6, 2019 (3 updates tracked since 2019).

About Dr. Steven M Schwimmer D.o. NPPES

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

DR. STEVEN M SCHWIMMER D.O. (NPI 1841253143) is an individual infectious disease provider in Mount Pleasant, Wisconsin, licensed in Wisconsin (28193) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841253143
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. STEVEN M SCHWIMMERCredential: D.O.
Location Address3803 SPRING ST STE 400Mount Pleasant, WI 53405-1660
Mailing Address3803 Spring StMount Pleasant, WI 53405-1660
Phone(262) 687-8310
Sole ProprietorNo
Enumeration DateApril 8, 2006
Last NPPES UpdateSeptember 20, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2024
✔ NPI 1841253143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in WI · 28193✔ Licensed in KY · C1536
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
3803 SPRING ST STE 400, Mount Pleasant, WI 53405
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Network Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Steven M Schwimmer D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Steven Schwimmer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Zenith Healthcare Sc
11 mi
Cardiovascular Disease
6121 GREEN BAY RD STE 100
Kenosha, WI 53142
  • Reassigned Medicare billing, Wisconsin enrollment
  • 13 clinicians in this Medicare group
NPI 1043610280 (262) 359-1652
Ascension Medical Group-Southeast Wisconsin Inc
23 mi
Anesthesiology
2301 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 clinicians in this Medicare group
NPI 1194473066 (414) 585-1000
Munson Medical Center
62 mi
General Acute Care Hospital
2513 MOMENTUM PL
Chicago, IL 60689
  • Reassigned Medicare billing, Michigan enrollment
  • 492 clinicians in this Medicare group
NPI 1699174730 (231) 935-8031

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 2

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.

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 services14 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53405 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 Steven Schwimmer's NPI number?

The NPI number for Steven Schwimmer is 1841253143. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Where is Steven Schwimmer located?

Steven Schwimmer practices at 3803 Spring St Ste 400, Mount Pleasant, WI 53405. The listed phone number is (262) 687-8310.

What is Steven Schwimmer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Steven Schwimmer enrolled in Medicare?

Yes. Steven Schwimmer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Steven Schwimmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Schwimmer reassigns Medicare benefits to 3 organizations: Zenith Healthcare Sc (Kenosha, WI), Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI) and Munson Medical Center (Chicago, 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 Steven Schwimmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Steven Schwimmer accept?

Health plans from Network Health list Steven Schwimmer 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.

When was this NPI record last updated?

The NPPES record for Steven Schwimmer was last updated on September 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.