Ofelia Martha Ionescu, MD
Psychiatry Physician · Chicago, IL
Ofelia Martha Ionescu, MD is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1689716953, issued on Feb 13, 2007. Check the license (Illinois 036102819, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ofelia Martha Ionescu
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 036102819 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4700 N Marine Dr Ste 6200, Chicago, IL 60640
- Phone
- (773) 551-2493
- Enumerated
- Feb 13, 2007
- Record last updated
- Oct 7, 2025
- Fax
- (773) 293-7942
- Medicaid ID
- 036102819 IL
- Medicare enrollment
- Enrolled (PECOS I20051220000553); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Verify Ofelia Martha Ionescu 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 036102819Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average psychiatry physician in 2024
2,293 Medicare Part D claims for 143 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Mirtazapine318 claims
- Clonazepam224 claims
- Risperidone185 claims
- Quetiapine Fumarate131 claims
- Duloxetine Hcl99 claims
- Divalproex Sodium90 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.
Ofelia Martha Ionescu among 2,147 psychiatry physician records in Illinois
Ofelia Martha Ionescu, MD is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% 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 35% of them.
- NPI issued2007 · 35% of these records are older, 50% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1984 · median 2004 among the 877 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
841 psychiatry physician records list a practice address in Chicago
They are 841 of the 63,379 NPPES records with a practice address in Chicago, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Chicago → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jonathan Adelstein, M.D.Chicago, IL 606401053603613
- Elaine Burke, D.O.Chicago, IL 606401114238680
- Edward BurkeChicago, IL 606401407262314
- Fidel Echevarria, M.D.Chicago, IL 606401841382959
- Anjum Khaja, M.D.Chicago, IL 606401790876837
- Sangarapillai Mohan, MDChicago, IL 606401750461760
- Kristin Moore, M.D.Chicago, IL 606401316258205
- Betsy Obrien, MDChicago, IL 606401407172257
Common questions
What is Ofelia Martha Ionescu, MD's NPI number?
Ofelia Martha Ionescu, MD's National Provider Identifier (NPI) is 1689716953, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ofelia Martha Ionescu, MD located?
The NPPES record lists a practice address at 4700 N Marine Dr Ste 6200, Chicago, IL, 60640. Phone: (773) 551-2493. Providers update this record themselves, so call before visiting.
How can I verify Ofelia Martha Ionescu, MD's license?
NPPES lists Illinois license number 036102819, 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 Ofelia Martha Ionescu, MD prescribe under Medicare Part D?
In 2024, Ofelia Martha Ionescu, MD had 2,293 Medicare Part D claims for 143 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.