DR. MITCHELL L LEWIS MD
NPI 1912956137
Emergency Medicine in Platteville, WI
About Dr. Mitchell L Lewis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MITCHELL L LEWIS MD (NPI 1912956137) is an individual emergency medicine provider in Platteville, Wisconsin, licensed in Wisconsin (50980-20) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted 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. Mitchell L Lewis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Mitchell Lewis reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Platteville, WI 53818
- Reassigned Medicare billing, Wisconsin enrollment
- 81 clinicians in this Medicare group
Portage, WI 53901
- Reassigned Medicare billing, Wisconsin enrollment
- 359 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 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
- Also billed through NPI 1821151366 (Wisconsin)
- 321 clinicians in this Medicare group
Athens, WI 54411
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53818 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
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 Mitchell Lewis's NPI number?
The NPI number for Mitchell Lewis is 1912956137. It was assigned to this individual provider in the NPPES registry on May 6, 2006.
Where is Mitchell Lewis located?
Mitchell Lewis practices at 1400 Eastside Rd, Platteville, WI 53818. The listed phone number is (608) 348-2331.
What is Mitchell Lewis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mitchell Lewis enrolled in Medicare?
Yes. Mitchell Lewis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mitchell Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Lewis reassigns Medicare benefits to 6 organizations: Southwest Health Center, Inc (Platteville, WI), Divine Savior Healthcare, Inc. (Portage, WI), Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI), Langlade Memorial Hospital Hotel Dieu Of St Joseph (Wausau, WI), Aspirus Medford Hospital & Clinics, Inc. (Athens, WI) and 1 more organization, listed in the Medicare section above. 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 Mitchell Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mitchell Lewis accept?
Health plans from Group Health Cooperative-SCW list Mitchell Lewis 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 Mitchell Lewis was last updated on November 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Mitchell L Lewis, MD · NPI 1912956137
Emergency Medicine physician in Platteville, Wisconsin. Individual provider, active in the CMS NPPES registry since May 6, 2006.
## Identity
- **NPI:** 1912956137 (Entity type: Individual)
- **Enumerated:** May 6, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 50980-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 EASTSIDE RD, Platteville, WI 53818-9800
- **Phone:** (608) 348-2331
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Southwest Health Center, Inc (NPI 1831279793, Platteville, WI); Divine Savior Healthcare, Inc. (NPI 1124083894, Portage, WI); Aspirus Stevens Point Hospital & Clinics, Inc. (NPI 1184082745, Stevens Point, WI); Langlade Memorial Hospital Hotel Dieu Of St Joseph (NPI 1871630863, Wausau, WI); Aspirus Medford Hospital & Clinics, Inc. (NPI 1760912919, Athens, WI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 23, 2020
- **Other identifiers:** Medicaid 01359777 (CO); Medicaid 34974100 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1912956137) · Data from the CMS NPPES public registry.