DR. MICHAEL J SLAVIN DO
NPI 1194753806
Internal Medicine - Nephrology in Waterloo, IA
About Dr. Michael J Slavin Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL J SLAVIN DO (NPI 1194753806) is an individual nephrology provider in Waterloo, Iowa, licensed in Iowa (3179) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains a secondary practice location in La Crosse.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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 J Slavin Do 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.
Medicare Billing Reassignments
5Medicare enrollment records show Michael Slavin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Center Point, IA 52213
- Reassigned Medicare billing, Iowa enrollment
- 108 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 clinicians in this Medicare group
Wisconsin Rapids, WI 54494
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Aspirus Medical Group, Inc.
- 415 clinicians in this Medicare group
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- 633 clinicians in this Medicare group
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Langlade Hospital - Hotel Dieu Of St Joseph Of Antigo Wisconsin
- 321 clinicians in this Medicare group
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 5
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Cedar Rapids, IAMercy Medical Center - Cedar Rapids
Acute Care Hospitals · Cedar Rapids, IAVeterans Memorial Hospital
Critical Access Hospitals · Waukon, IAMayo Clinic Health System-Franciscan Medical Center Inc
Acute Care Hospitals · La Crosse, WIMayo Clinic Hlth Systm Franciscan Hlthcare Sparta
Critical Access Hospitals · Sparta, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WATERLOO, IA 50702
WATERLOO, IA 50702
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 Slavin's NPI number?
The NPI number for Michael Slavin is 1194753806. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is Michael Slavin located?
Michael Slavin practices at 2710 Saint Francis Dr Suite 510, Waterloo, IA 50702. The listed phone number is (319) 272-5000.
What is Michael Slavin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Michael Slavin enrolled in Medicare?
Yes. Michael Slavin 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 Slavin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Slavin reassigns Medicare benefits to 5 organizations: Mercy Physician Associates, Inc (Center Point, IA), Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI), Aspirus Riverview Hospital & Clinics, Inc. (Wisconsin Rapids, WI), Aspirus Wausau Hospital, Inc. (Stevens Point, WI) and Langlade Memorial Hospital Hotel Dieu Of St Joseph (Wausau, WI). 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 Slavin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Slavin accept?
Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Medica, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Michael Slavin 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 Michael Slavin affiliated with any hospitals?
According to CMS data, Michael Slavin is affiliated with St Lukes Hospital, Mercy Medical Center - Cedar Rapids, Veterans Memorial Hospital, Mayo Clinic Health System-Franciscan Medical Center Inc and Mayo Clinic Hlth Systm Franciscan Hlthcare Sparta.
When was this NPI record last updated?
The NPPES record for Michael Slavin was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Michael J Slavin, DO · NPI 1194753806
Nephrology physician in Waterloo, Iowa. Individual provider, active in the CMS NPPES registry since June 29, 2006.
## Identity
- **NPI:** 1194753806 (Entity type: Individual)
- **Enumerated:** June 29, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 3179 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 2710 SAINT FRANCIS DR, SUITE 510, Waterloo, IA 50702-5619
- **Phone:** (319) 272-5000 · **Fax:** (319) 272-5690
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Mercy Physician Associates, Inc (NPI 1811193352, Center Point, IA); Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI); Aspirus Riverview Hospital & Clinics, Inc. (NPI 1568821122, Wisconsin Rapids, WI); Aspirus Wausau Hospital, Inc. (NPI 1275886749, Stevens Point, WI); Langlade Memorial Hospital Hotel Dieu Of St Joseph (NPI 1871630863, Wausau, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 1973
## Record status
- **NPPES last updated:** August 28, 2025
- **Other identifiers:** Medicaid 7179416 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1194753806) · Data from the CMS NPPES public registry.