Mihaela Mihailescu, MD
Rheumatology Physician · Oak Lawn, IL
Mihaela Mihailescu, MD is a rheumatology physician with a practice address in Oak Lawn, Illinois, and NPI 1003943614, issued on Feb 28, 2007. Check the license (Illinois 036-103892, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mihaela Mihailescu
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 036-103892 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH St, Oak Lawn, IL 60453
- Phone
- (708) 684-8000
- Enumerated
- Feb 28, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070806000347); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 340 in Illinois → Look up another NPI →
Also registered at 4440 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadia Abdessalam, FNP-BCFamily Nurse Practitioner1356888283
- Akram Abdoue, M.D.Anesthesiology Physician1992752489
- Ahmad Abdulla, MDEmergency Medicine Physician1467202556
- Joseph Abraham, CRNACertified Registered Nurse Anesthetist1831653401
- Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
- Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663
Verify Mihaela Mihailescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-103892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,417 Medicare Part D claims for 239 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Methotrexate326 claims
- Hydroxychloroquine Sulfate237 claims
- Prednisone214 claims
- Allopurinol126 claims
- Enbrel Sureclick83 claims
- Leflunomide63 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
- Advocate Health And Hospitals CorporationOak Lawn, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mihaela Mihailescu among 340 rheumatology physician records in Illinois
Mihaela Mihailescu, MD is one of 340 rheumatology physician records with a practice address in Illinois. 83% 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 48% of them.
- NPI issued2007 · 48% of these records are older, 41% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1995 · median 2003 among the 244 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
All 340 in Illinois → Every provider in Oak Lawn → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Phyllis Bonaminio, MDOak Lawn, IL 604531841289527
- Alexandra Popescu, M.D.Oak Lawn, IL 604531396720744
- Sleiman Raddawi, M.DOak Lawn, IL 604531124382825
- Maria Francis, D.O.New Lenox, IL 604511871828780
- Hadi Hedayati, M.D.Morris, IL 604501720066111
- Deena Raval, D.OMorris, IL 604501376724773
- Aravind Gopal, MDOlympia Fields, IL 604611386959302
- Raymond Kazmar, M.D.Olympia Fields, IL 604611255373197
Common questions
What is Mihaela Mihailescu, MD's NPI number?
Mihaela Mihailescu, MD's National Provider Identifier (NPI) is 1003943614, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mihaela Mihailescu, MD located?
The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 684-8000. Providers update this record themselves, so call before visiting.
How can I verify Mihaela Mihailescu, MD's license?
NPPES lists Illinois license number 036-103892, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mihaela Mihailescu, MD prescribe under Medicare Part D?
In 2024, Mihaela Mihailescu, MD had 1,417 Medicare Part D claims for 239 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.