Monica Irina Simionescu, MD
Neurology Physician · Janesville, WI
Monica Irina Simionescu, MD is a neurology physician with a practice address in Janesville, Wisconsin, and NPI 1184776403, issued on Jan 17, 2007. Check the license (Wisconsin 74265-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Monica Irina Simionescu
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 74265-20 WI
36114699 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3200 E Racine St, Janesville, WI 53546
- Phone
- (608) 371-8000
- Enumerated
- Jan 17, 2007
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 371-8943
- Medicaid ID
- 1184776403 WI
- Medicare enrollment
- Enrolled (PECOS I20201117001567); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at 3200 E Racine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar Alnaser, M.D.Pediatrics Physician1396474201
- Jenny Amani, M.D.Occupational Medicine Physician1629212899
- Molly ArttusPhysician Assistant1366233041
- Brittany Austin, PA-CMedical Physician Assistant1013226968
- Timothy Axe, DPMPodiatrist1619932621
- Susan Baird, DNP, APRN, FNP-BCNurse Practitioner1225305758
Verify Monica Irina Simionescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 74265-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average neurology physician in 2024
4,547 Medicare Part D claims for 634 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Gabapentin436 claims
- Carbidopa-Levodopa394 claims
- Donepezil Hcl355 claims
- Levetiracetam304 claims
- Memantine Hcl293 claims
- Duloxetine Hcl133 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.
Bills Medicare through one group practice
- Dean Health Systems IncJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Monica Irina Simionescu among 399 neurology physician records in Wisconsin
Monica Irina Simionescu, MD is one of 399 neurology physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1985 · median 2005 among the 274 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Wisconsin
There are 399 neurology physician records in Wisconsin.
All 399 in Wisconsin → Every provider in Janesville → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Thomas Berentsen, MDJanesville, WI 535461477593036
- Mark Lanser, MDJanesville, WI 535461275574592
- Ross Levine, MDJanesville, WI 535481639141856
- Mustafa Abdul Waheed Mohammed, MDJanesville, WI 535481801358064
- Daniel Orozco, MDJanesville, WI 535481154329399
- Thomas Perry, M.D.Fort Atkinson, WI 535381922280403
- Debasish Bhattacharyya, M.D.Darlington, WI 535301265498778
- M. Murphy, M.D.Middleton, WI 535621932353091
Common questions
What is Monica Irina Simionescu, MD's NPI number?
Monica Irina Simionescu, MD's National Provider Identifier (NPI) is 1184776403, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Monica Irina Simionescu, MD located?
The NPPES record lists a practice address at 3200 E Racine St, Janesville, WI, 53546. Phone: (608) 371-8000. Providers update this record themselves, so call before visiting.
How can I verify Monica Irina Simionescu, MD's license?
NPPES lists Wisconsin license number 74265-20, 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 Monica Irina Simionescu, MD prescribe under Medicare Part D?
In 2024, Monica Irina Simionescu, MD had 4,547 Medicare Part D claims for 634 beneficiaries; the average among neurology physician prescribers was 1,370. 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.