DR. IRINA A IONOVA MD
NPI 1174817621
Internal Medicine in Menomonee Falls, WI
About Dr. Irina A Ionova Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRINA A IONOVA MD (NPI 1174817621) is an individual internal medicine provider in Menomonee Falls, Wisconsin, licensed in Wisconsin (62439-20) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with St. Agnes Hospital Hospice, and maintains a secondary practice location in Fond Du Lac.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Irina A Ionova Md 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
2Medicare enrollment records show Irina Ionova reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- 606 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St. Agnes Hospital Hospice
Acute Care Hospitals · Fond Du Lac, WIWaupun Memorial Hospital
Critical Access Hospitals · Waupun, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53051 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MENOMONEE FALLS, WI 53051
MENOMONEE FALLS, WI 53051
MENOMONEE FALLS, WI 53051
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 Irina Ionova's NPI number?
The NPI number for Irina Ionova is 1174817621. It was assigned to this individual provider in the NPPES registry on June 1, 2011.
Where is Irina Ionova located?
Irina Ionova practices at W180n8085 Town Hall Rd, Menomonee Falls, WI 53051. The listed phone number is (262) 251-1000.
What is Irina Ionova's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Irina Ionova enrolled in Medicare?
Yes. Irina Ionova 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 Irina Ionova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irina Ionova reassigns Medicare benefits to 2 organizations: Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI) and Agnesian Healthcare (Beaver Dam, 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 Irina Ionova's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irina Ionova accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and Quartz list Irina Ionova 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 Irina Ionova affiliated with any hospitals?
According to CMS data, Irina Ionova is affiliated with St. Agnes Hospital Hospice and Waupun Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Irina Ionova was last updated on March 3, 2021. 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. Irina A Ionova, MD · NPI 1174817621
Internal Medicine physician in Menomonee Falls, Wisconsin. Individual provider, active in the CMS NPPES registry since June 1, 2011.
## Identity
- **NPI:** 1174817621 (Entity type: Individual)
- **Enumerated:** June 1, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 62439-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** W180N8085 TOWN HALL RD, Menomonee Falls, WI 53051-3518
- **Phone:** (262) 251-1000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); Agnesian Healthcare (NPI 1700817657, Beaver Dam, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** March 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1174817621) · Data from the CMS NPPES public registry.