ANNA FRISHMAN
NPI 1801390943
Emergency Medicine in Janesville, WI
About Anna Frishman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA FRISHMAN (NPI 1801390943) is an individual emergency medicine provider in Janesville, Wisconsin, licensed in Wisconsin (76858-20) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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 and accepts Medicare assignment
Anna Frishman 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
7Medicare enrollment records show Anna Frishman reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin and Illinois enrollments
- Also billed through NPI 1598718603 (Illinois), NPI 1699728550 (Wisconsin)
- 1,155 clinicians in this Medicare group
Milton, WI 53563
- Reassigned Medicare billing, Wisconsin enrollment
- 83 clinicians in this Medicare group
Beloit, WI 53511
- Reassigned Medicare billing, Illinois and Wisconsin enrollments
- 21 clinicians in this Medicare group
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 67 clinicians in this Medicare group
Stoughton, WI 53589
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1679558647 (Wisconsin)
- 86 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 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 4
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.
Mercy Health System Corp
Acute Care Hospitals · Janesville, WIStoughton Hospital
Critical Access Hospitals · Stoughton, WIMercy Walworth Hospital & Medical Center
Critical Access Hospitals · Lake Geneva, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53545 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.
Other Providers at the Same Location NPPES 2
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 Anna Frishman's NPI number?
The NPI number for Anna Frishman is 1801390943. It was assigned to this individual provider in the NPPES registry on March 22, 2018.
Where is Anna Frishman located?
Anna Frishman practices at 1446 N Randall Ave, Janesville, WI 53545. The listed phone number is (515) 451-4730.
What is Anna Frishman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Anna Frishman enrolled in Medicare?
Yes. Anna Frishman 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 Anna Frishman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Frishman reassigns Medicare benefits to 7 organizations: Mercy Health System Corporation (Janesville, WI), Edgerton Hospital And Health Services, Inc. (Milton, WI), Southern Wisconsin Emergency Associates Sc (Beloit, WI), Swea Fort Sc (Fort Atkinson, WI), Stoughton Hospital Association (Stoughton, WI) and 2 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 Anna Frishman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Frishman accept?
Health plans from Group Health Cooperative-SCW list Anna Frishman 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 Anna Frishman affiliated with any hospitals?
According to CMS data, Anna Frishman is affiliated with Mercy Health System Corp, Stoughton Hospital and Mercy Walworth Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Anna Frishman was last updated on December 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Anna Frishman · NPI 1801390943
Emergency Medicine physician in Janesville, Wisconsin. Individual provider, active in the CMS NPPES registry since March 22, 2018.
## Identity
- **NPI:** 1801390943 (Entity type: Individual)
- **Enumerated:** March 22, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 76858-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1446 N RANDALL AVE, Janesville, WI 53545-1122
- **Phone:** (515) 451-4730
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Mercy Health System Corporation (NPI 1669685129, Janesville, WI); Edgerton Hospital And Health Services, Inc. (NPI 1326192261, Milton, WI); Southern Wisconsin Emergency Associates Sc (NPI 1568538189, Beloit, WI); Swea Fort Sc (NPI 1295552065, Fort Atkinson, WI); Stoughton Hospital Association (NPI 1437296456, Stoughton, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** December 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1801390943) · Data from the CMS NPPES public registry.