DR. MARK D WEISSMAN M.D.
NPI 1366426538
Emergency Medicine in Marinette, WI
About Dr. Mark D Weissman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK D WEISSMAN M.D. (NPI 1366426538) is an individual emergency medicine provider in Marinette, Wisconsin, licensed in Wisconsin (33134020) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Bay Area Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Mark D Weissman 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.
Medicare Billing Reassignments
13Medicare enrollment records show Mark Weissman reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marinette, WI 54143
- Reassigned Medicare billing, Wisconsin enrollment
- 59 clinicians in this Medicare group
Shawano, WI 54166
- Reassigned Medicare billing, Wisconsin enrollment
- 70 clinicians in this Medicare group
Clintonville, WI 54929
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1538127220 (Wisconsin)
- 56 clinicians in this Medicare group
Appleton, WI 54911
- Reassigned Medicare billing, Wisconsin enrollment
- 35 clinicians in this Medicare group
Waupaca, WI 54981
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1013995521 (Wisconsin)
- 110 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Berlin, WI 54923
- Reassigned Medicare billing, Wisconsin enrollment
- 55 clinicians in this Medicare group
Wild Rose, WI 54984
- Reassigned Medicare billing, Wisconsin enrollment
- 28 clinicians in this Medicare group
Libertyville, IL 60048
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bay Area Medical Center
Acute Care Hospitals · Marinette, WIThedacare Medical Center-Waupaca
Critical Access Hospitals · Waupaca, WIThedacare Medical Center - Shawano
Critical Access Hospitals · Shawano, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54143 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.
MARINETTE, WI 54143
MARINETTE, WI 54143
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 Mark Weissman's NPI number?
The NPI number for Mark Weissman is 1366426538. It was assigned to this individual provider in the NPPES registry on December 1, 2005.
Where is Mark Weissman located?
Mark Weissman practices at 3003 University Dr, Marinette, WI 54143. The listed phone number is (715) 735-4200.
What is Mark Weissman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Weissman enrolled in Medicare?
Yes. Mark Weissman 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 Mark Weissman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Weissman reassigns Medicare benefits to 13 organizations: Emergency Physician Associates Of Wisconsin Sc (Marinette, WI), Thedacare Medical Center - Shawano, Inc. (Shawano, WI), Thedacare Medical Center - New London, Inc. (Clintonville, WI), Thedacare Regional Medical Center - Appleton, Inc. (Appleton, WI), Thedacare Medical Center - Waupaca, Inc. (Waupaca, WI) and 8 more organizations, 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 Mark Weissman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Weissman accept?
Health plans from CareSource (Common Ground Healthcare) list Mark Weissman 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 Mark Weissman affiliated with any hospitals?
According to CMS data, Mark Weissman is affiliated with Bay Area Medical Center, Thedacare Medical Center-Waupaca and Thedacare Medical Center - Shawano.
When was this NPI record last updated?
The NPPES record for Mark Weissman was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Mark D Weissman, M.D. · NPI 1366426538
Emergency Medicine physician in Marinette, Wisconsin. Individual provider, active in the CMS NPPES registry since December 1, 2005.
## Identity
- **NPI:** 1366426538 (Entity type: Individual)
- **Enumerated:** December 1, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 33134020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3003 UNIVERSITY DR, Marinette, WI 54143-4110
- **Phone:** (715) 735-4200
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Emergency Physician Associates Of Wisconsin Sc (NPI 1396119426, Marinette, WI); Thedacare Medical Center - Shawano, Inc. (NPI 1548260839, Shawano, WI); Thedacare Medical Center - New London, Inc. (NPI 1144675745, Clintonville, WI); Thedacare Regional Medical Center - Appleton, Inc. (NPI 1902832306, Appleton, WI); Thedacare Medical Center - Waupaca, Inc. (NPI 1780782680, Waupaca, WI); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 1990
## Record status
- **NPPES last updated:** March 7, 2025
- **Other identifiers:** Medicaid 31806700 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1366426538) · Data from the CMS NPPES public registry.