Ruxandra Monica Ionescu, MD
Family Medicine Physician · Rochester Hills, MI
Ruxandra Monica Ionescu, MD is a family medicine physician with a practice address in Rochester Hills, Michigan, and NPI 1821748013, issued on Mar 28, 2022. Check the license (Michigan 4301512094, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ruxandra Monica Ionescu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301512094 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1854 W Auburn RD Ste 300A, Rochester Hills, MI 48309
- Phone
- (248) 696-3170
- Enumerated
- Mar 28, 2022
- Record last updated
- Feb 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20251219003670); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Verify Ruxandra Monica Ionescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301512094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
142 Medicare Part D claims for 29 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Ozempic14 claims
- Amlodipine Besylate12 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
- Iha Ooma Primary LLCLake Orion, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruxandra Monica Ionescu among 6,013 family medicine physician records in Michigan
Ruxandra Monica Ionescu, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2008 among the 3,493 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 family medicine physician records list a practice address in Rochester Hills
They are 73 of the 1,697 NPPES records with a practice address in Rochester Hills, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Rochester Hills → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marisa Abbo, DORochester Hills, MI 483091184605388
- Katherine Becker Mitzner, DORochester Hills, MI 483091154816890
- Ronald Bellisario, MDRochester Hills, MI 483091114918877
- Gregg Branham, DORochester Hills, MI 483091114069838
- Matthew Ewald, MDRochester Hills, MI 483091831180595
- Jennifer Haener, D.O.Rochester Hills, MI 483091083735773
- David HollettRochester Hills, MI 483091417021213
- Stacey Kastl, MDRochester Hills, MI 483091407064892
Common questions
What is Ruxandra Monica Ionescu, MD's NPI number?
Ruxandra Monica Ionescu, MD's National Provider Identifier (NPI) is 1821748013, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ruxandra Monica Ionescu, MD located?
The NPPES record lists a practice address at 1854 W Auburn RD Ste 300A, Rochester Hills, MI, 48309. Phone: (248) 696-3170. Providers update this record themselves, so call before visiting.
How can I verify Ruxandra Monica Ionescu, MD's license?
NPPES lists Michigan license number 4301512094, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruxandra Monica Ionescu, MD prescribe under Medicare Part D?
In 2024, Ruxandra Monica Ionescu, MD had 142 Medicare Part D claims for 29 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.