Irina A. Ionova, MD
Internal Medicine Physician · Menomonee Falls, WI
Irina A. Ionova, MD is an internal medicine physician with a practice address in Menomonee Falls, Wisconsin, and NPI 1174817621, issued on Jun 1, 2011. Check the license (Wisconsin 62439-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Irina A. Ionova
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 62439-20 WI
R82841 AZ
Self-reported in NPPES; status is on the state search - Practice location
- W180N8085 Town Hall RD, Menomonee Falls, WI 53051
- Phone
- (262) 251-1000
- Enumerated
- Jun 1, 2011
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141029002729); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at W180N8085 Town Hall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joan Anderson, FNPFamily Nurse Practitioner1982608899
- Mohit Arora, M.D.Internal Medicine Physician1538423991
Verify Irina A. Ionova in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 62439-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average internal medicine physician in 2024
6,169 Medicare Part D claims for 378 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium418 claims
- Rosuvastatin Calcium289 claims
- Amlodipine Besylate265 claims
- Omeprazole259 claims
- Levothyroxine Sodium253 claims
- Losartan Potassium243 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $104.16
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Agnesian Healthcare IncFond Du Lac, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irina A. Ionova among 2,078 internal medicine physician records in Wisconsin
Irina A. Ionova, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1998 · median 2002 among the 1,098 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 internal medicine physician records list a practice address in Menomonee Falls
They are 42 of the 1,003 NPPES records with a practice address in Menomonee Falls, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Menomonee Falls → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patrick Brody, MDMenomonee Falls, WI 530511497787626
- James Buck, M.D.Menomonee Falls, WI 530511902879182
- Frederick Bulacan, M.D.Menomonee Falls, WI 530511699768622
- Paul Flink, M.D.Menomonee Falls, WI 530511841279585
- Robert Gershan, M.D.Menomonee Falls, WI 530511740253475
- Thomas Gvora, M.D.Menomonee Falls, WI 530511619940723
- Elizabeth Hallerman, M.D.Menomonee Falls, WI 530511144293259
- Daniel Halloran, MDMenomonee Falls, WI 530511558393702
Common questions
What is Irina A. Ionova, MD's NPI number?
Irina A. Ionova, MD's National Provider Identifier (NPI) is 1174817621, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Irina A. Ionova, MD located?
The NPPES record lists a practice address at W180N8085 Town Hall RD, Menomonee Falls, WI, 53051. Phone: (262) 251-1000. Providers update this record themselves, so call before visiting.
How can I verify Irina A. Ionova, MD's license?
NPPES lists Wisconsin license number 62439-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Irina A. Ionova, MD prescribe under Medicare Part D?
In 2024, Irina A. Ionova, MD had 6,169 Medicare Part D claims for 378 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.