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MICHAEL J SCHMALZ MD
NPI 1801863576
Internal Medicine - Gastroenterology in Milwaukee, WI

Active since March 02, 2006PECOS Enrolled
2801 W KINNICKINNIC RIVER PKWY STE 1080, MILWAUKEE, WI 53215(414) 908-6601(414) 385-2980 Get Directions Write a Review

NPPES record last updated: October 27, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael J Schmalz Md NPPES

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

MICHAEL J SCHMALZ MD (NPI 1801863576) is an individual gastroenterology provider in Milwaukee, Wisconsin, licensed in Wisconsin (26039-020) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801863576
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMICHAEL J SCHMALZCredential: MD
Location Address2801 W KINNICKINNIC RIVER PKWY STE 1080Milwaukee, WI 53215-3689
Mailing Address2801 W Kinnickinnic River Pkwy Ste 1080Milwaukee, WI 53215-3689 · (414) 908-6601 · Fax (414) 385-2980
Phone(414) 908-6601
Fax(414) 385-2980
Sole ProprietorNo
Enumeration DateMarch 2, 2006
Last NPPES UpdateOctober 27, 2020
NPPES CertifiedOctober 27, 2020
✔ NPI 1801863576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in WI · 26039-020
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.
2801 W KINNICKINNIC RIVER PKWY STE 1080, Milwaukee, WI 53215
Open in Google Maps ↗

Other Identifiers 1

Medicaid30758600WI

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael J Schmalz Md 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 Reassignment

Medicare enrollment records show Michael Schmalz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ascension Medical Group-Southeast Wisconsin Inc
6.0 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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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.

MRS. NICOLE THERESA WHITE APNP
Nurse Practitioner (Family)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6601
MONGTUYEN NGUYEN-HOYE PA
Physician Assistant
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6500
DAVID A. CARRON MD
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6506
NATHANIEL TIMOTHY JEST D.O.
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6506
DR. JAMES T KWIATT M.D.
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6506
DR. ALAN N MAYER MD
Pediatrics (Pediatric Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6506
DANIEL J GEENEN M.D.
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6615
ADAM VAN HUIS
Internal Medicine (Gastroenterology)
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215
Milwaukee County (414) 908-6506

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 Schmalz's NPI number?

The NPI number for Michael Schmalz is 1801863576. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is Michael Schmalz located?

Michael Schmalz practices at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215. The listed phone number is (414) 908-6601.

What is Michael Schmalz's specialty?

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

Is Michael Schmalz enrolled in Medicare?

Yes. Michael Schmalz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Schmalz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Schmalz reassigns Medicare benefits to Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI). The 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 Schmalz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Schmalz accept?

Health plans from CareSource (Common Ground Healthcare) list Michael Schmalz 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 Michael Schmalz was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.