Dr. Ofelia Martha Ionescu, MD

  • Chicago, IL
  • Psychiatrist
NPI1689716953PAC ID1850313768
Medicare services, 2024
647
Medicare patients, 2024
114
Part D claims, 2024
2,293
Industry payments
$850
Affiliated sites
2
Practice address
725 West Montrose Avenue, Chicago, IL 60613
Practice phone
Call (773) 929-1700
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

The Carlton at the Lake

Skilled Nursing Facility · Chicago, Illinois

See all 3 affiliations

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Dr. Ofelia Martha Ionescu is a psychiatrist in Chicago, Illinois

Dr. Ionescu practices at The Carlton at the Lake in Chicago, Illinois.

Dr. Ionescu's NPI, 1689716953, was assigned on February 13, 2007. Dr. Ionescu holds Illinois license 036102819.

NPI and contact details
Medicare PAC ID
1850313768
NPI enumeration date
February 13, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(773) 929-1700
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ofelia Martha Ionescu practices at The Carlton at the Lake in Chicago, Illinois

Dr. Ionescu's primary practice is The Carlton at the Lake, at 725 West Montrose Avenue, Chicago, IL 60613 in Cook County. The practice phone is (773) 929-1700.

  • The Carlton at the Lake
    725 West Montrose Avenue, Chicago, IL 60613 · Cook CountyPhone(773) 929-1700

Source: Dmand AI Affiliation Data

Dr. Ofelia Martha Ionescu is affiliated with 2 sites of care and 1 medical group

Dr. Ionescu's primary practice is The Carlton at the Lake in Chicago, Illinois. The medical group on file is Ofelia Ionescu, MD. Dmand AI also links Dr. Ionescu to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Ionescu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ofelia Martha Ionescu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ionescu practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Carlton at the LakeAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ofelia Martha Ionescu is one of 1,527 psychiatrists in Illinois

Psychiatry is Dr. Ionescu's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Ionescu is licensed in Illinois.

Specialties and state licenses

  • Psychiatry, IllinoisPrimaryLicense 036102819 · taxonomy 2084P0800X

Psychiatrists near Dr. Ionescu

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ofelia Martha Ionescu billed Medicare for 647 services in 2024

CMS data shows 647 Medicare services from Dr. Ionescu across 9 procedure codes in 2024, for 114 Medicare patients. Medicare paid $55,608 for them.

Medicare services, 2024647
Medicare patients114
Paid by Medicare$55,608
Procedure codes9

Dr. Ionescu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5592024: 61310%
Tests and treatments
2023: 412024: 3417%

Where Dr. Ionescu's Medicare services took place, 2024

  • In an office13421%
  • In a facility51379%

Dr. Ionescu compared with the Illinois median for psychiatrists, 2024

  • Dr. Ionescu
  • Illinois median
Medicare services
647vs 2033.2 times
Medicare patients
114vs 6381% above
Part D claims
2,184vs 17412.6 times

Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.

Dr. Ionescu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ionescu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ofelia Martha Ionescu treated 114 Medicare patients in 2024, average age 75

CMS counts 114 Medicare patients who saw Dr. Ionescu in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 75% have mood disorders. 74% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ionescu's median patient age at 71, with 54% women.

Medicare patients, 2024114
Average age75
Average risk score1.85
Also on Medicaid74%

Dr. Ionescu's Medicare patients by age, 2024

Dr. Ionescu's Medicare patients by sex, 2024

  • Women6759%
  • Men4741%

Chronic conditions among Dr. Ionescu's Medicare patients, 2024

  1. High blood pressure75%
  2. Mood disorders75%
  3. High cholesterol74%
  4. Anxiety72%
  5. Depression70%
  6. Schizophrenia and other psychoses61%
  7. Arthritis53%
  8. Alzheimer's and dementia49%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ionescu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ofelia Martha Ionescu wrote 2,293 Medicare Part D claims in 2024

In 2024, Dr. Ionescu wrote 2,293 Medicare Part D claims for 143 patients. 98% of them were for generic drugs. CMS names the drug for 2,184 of them, across 35 drugs with 11 or more claims each, at $46,805 in total drug cost. In 2023, CMS named 2,572 claims across 38 drugs.

Part D claims, 20242,293
Drugs named by CMS35
Total drug cost$46,805
Part D patients143

Dr. Ionescu's Part D claims by kind of drug, 2024

  • Generic2,240 claims98%
  • Brand-name53 claims2%

Dr. Ionescu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ionescu's Part D claims, 2024

  • Antipsychotics, patients 65 and over16%371 of 2,293 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,5722024: 2,18415%

Drugs named by CMS: 35 in 2024, 38 in 2023.

See all prescribing by Dr. Ionescu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Ofelia Martha Ionescu takes part in Medicare

Dr. Ionescu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Ofelia Martha Ionescu received $850 in industry payments from 2017 to 2025

CMS Open Payments shows 27 general payments to Dr. Ionescu from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 86% of the total. Abbvie Inc. paid the most, $280.

General payments to Dr. Ionescu by program year, 2017 to 2025

General payments to Dr. Ionescu by kind, 2017 to 2025

$850in total
  • Food and beverage$73586%
  • Education$11514%

Companies that paid Dr. Ionescu the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ionescu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Ofelia Martha Ionescu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ofelia Martha Ionescu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Ofelia Martha Ionescu's NPI number?

Dr. Ofelia Martha Ionescu's NPI number is 1689716953. It was assigned on February 13, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ofelia Martha Ionescu?

Dr. Ofelia Martha Ionescu is a psychiatrist in Chicago, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Ofelia Martha Ionescu practice?

Dr. Ionescu practices at 725 West Montrose Avenue, Chicago, IL 60613. Dr. Ionescu's primary practice is The Carlton at the Lake in Chicago, Illinois. Dmand AI also links Dr. Ionescu to 1 group practice or clinic.

What is Dr. Ofelia Martha Ionescu's office phone number?

The practice phone on file for Dr. Ionescu is (773) 929-1700.

What is Dr. Ofelia Martha Ionescu's medical license number?

Dr. Ionescu holds Illinois license 036102819.

What medical group is Dr. Ofelia Martha Ionescu part of?

Dr. Ionescu is linked to Ofelia Ionescu, MD.

Does Dr. Ofelia Martha Ionescu accept Medicare?

Yes. CMS data shows Dr. Ionescu billed Medicare for 647 services in 2024, and Dr. Ionescu accepts Medicare assignment.

How many Medicare patients does Dr. Ofelia Martha Ionescu see?

CMS counts 114 Medicare patients who saw Dr. Ionescu in 2024, with an average age of 75.

What services does Dr. Ofelia Martha Ionescu bill to Medicare?

In 2024, Dr. Ionescu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and office visit, established patient (99214).

What drugs does Dr. Ofelia Martha Ionescu prescribe most?

In 2024 Medicare Part D data, Dr. Ionescu's most prescribed drugs by claims were Mirtazapine, Clonazepam and Risperidone.

Has Dr. Ofelia Martha Ionescu received payments from drug or device companies?

CMS Open Payments shows $850 in general payments to Dr. Ionescu from 6 companies from 2017 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Ofelia Martha Ionescu been practicing?

Dr. Ionescu graduated from medical school in 1984, 42 years ago.

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