Dr. Madalina Opreanu, MD
- Medicare services, 2024
- 393
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 7,292
- Hospital affiliations
- 4
- Industry payments
- $9,571
- Practice address
- 1215 E Michigan Ave, Lansing, MI 48912
- Practice phone
- Call (517) 364-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UM Health-Sparrow Lansing Campus
Lansing, Michigan
Find Dr. Opreanu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Madalina Opreanu is an internist in Lansing, Michigan
Dr. Opreanu practices at UM Health-Sparrow Lansing Campus in Lansing, Michigan.
Dr. Opreanu's NPI, 1477813400, was assigned on May 24, 2012. Dr. Opreanu holds Pennsylvania license MD455113.
- NPI
- 1477813400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880909704
- NPI enumeration date
- May 24, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 364-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Madalina Opreanu practices at UM Health-Sparrow Lansing Campus in Lansing, Michigan
Dr. Opreanu's primary practice is UM Health-Sparrow Lansing Campus, at 1215 E Michigan Ave, Lansing, MI 48912 in Ingham County. The practice phone is (517) 364-6000.
- UM Health-Sparrow Lansing Campus1215 E Michigan Ave, Lansing, MI 48912 · Ingham CountyPhone(517) 364-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Madalina Opreanu is affiliated with 8 sites of care and 2 medical groups
Dr. Opreanu's primary practice is UM Health-Sparrow Lansing Campus in Lansing, Michigan. Dr. Opreanu is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is University of Michigan Health-Sparrow. Dmand AI also links Dr. Opreanu to 3 more hospitals, 2 home health agencies, 1 therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Madalina Opreanu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Opreanu practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UM Health-Sparrow Lansing Campus | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Madalina Opreanu is one of 4,804 internists in Michigan
Internal medicine is Dr. Opreanu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Opreanu is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Opreanu
Counts of internists 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. Madalina Opreanu billed Medicare for 393 services in 2024
CMS data shows 393 Medicare services from Dr. Opreanu across 4 procedure codes in 2024, for 116 Medicare patients. Medicare paid $25,812 for them.
Dr. Opreanu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2612024: 2693%
- Other services
- 2023: 382024: 112195%
- Tests and treatments
- 2023: 112024: 129%
Where Dr. Opreanu's Medicare services took place, 2024
- In an office36894%
- In a facility256%
Dr. Opreanu compared with the Michigan median for internists, 2024
- Dr. Opreanu
- Michigan median
- Medicare services
- 393vs 4237% below
- Medicare patients
- 116vs 15927% below
- Part D claims
- 6,562vs 31420.9 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Opreanu'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Opreanu and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Madalina Opreanu treated 116 Medicare patients in 2024, average age 74
CMS counts 116 Medicare patients who saw Dr. Opreanu in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Opreanu's median patient age at 71, with 70% women.
Dr. Opreanu's Medicare patients by age, 2024
Dr. Opreanu's Medicare patients by sex, 2024
- Women8775%
- Men2925%
Chronic conditions among Dr. Opreanu's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis45%
- Anxiety28%
- Diabetes28%
- Mood disorders26%
- Depression23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Opreanu'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
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Madalina Opreanu wrote 7,292 Medicare Part D claims in 2024
In 2024, Dr. Opreanu wrote 7,292 Medicare Part D claims for 458 patients. 86% of them were for generic drugs. CMS names the drug for 6,562 of them, across 127 drugs with 11 or more claims each, at $737,388 in total drug cost. In 2023, CMS named 5,711 claims across 122 drugs.
Dr. Opreanu's Part D claims by kind of drug, 2024
- Generic6,266 claims86%
- Brand-name977 claims13%
- Other49 claims1%
Dr. Opreanu'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. Opreanu's Part D claims, 2024
- Opioids4%303 of 7,292 claims
- Antibiotics3%188 of 7,292 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: 5,7112024: 6,56215%
Drugs named by CMS: 127 in 2024, 122 in 2023.
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. Madalina Opreanu takes part in Medicare
Dr. Opreanu 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. Madalina Opreanu received $9,571 in industry payments from 2017 to 2025
CMS Open Payments shows 631 general payments to Dr. Opreanu from 63 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $1,182.
General payments to Dr. Opreanu by program year, 2017 to 2025
Companies that paid Dr. Opreanu the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Madalina Opreanu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Madalina Opreanu
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. Madalina Opreanu's NPI number?
Dr. Madalina Opreanu's NPI number is 1477813400. It was assigned on May 24, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Madalina Opreanu?
Dr. Madalina Opreanu is an internist in Lansing, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Madalina Opreanu practice?
Dr. Opreanu practices at 1215 E Michigan Ave, Lansing, MI 48912. Dr. Opreanu's primary practice is UM Health-Sparrow Lansing Campus in Lansing, Michigan. Dmand AI also links Dr. Opreanu to 3 hospitals, 2 home health agencies, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Madalina Opreanu's office phone number?
The practice phone on file for Dr. Opreanu is (517) 364-6000.
What is Dr. Madalina Opreanu's medical license number?
Dr. Opreanu holds Pennsylvania license MD455113.
Which hospitals is Dr. Madalina Opreanu affiliated with?
Dr. Opreanu is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Opreanu to 3 more hospitals.
What medical group is Dr. Madalina Opreanu part of?
Dr. Opreanu is linked to University of Michigan Health-Sparrow. Dmand AI links Dr. Opreanu to 1 more medical group.
Does Dr. Madalina Opreanu accept Medicare?
Yes. CMS data shows Dr. Opreanu billed Medicare for 393 services in 2024, and Dr. Opreanu accepts Medicare assignment.
How many Medicare patients does Dr. Madalina Opreanu see?
CMS counts 116 Medicare patients who saw Dr. Opreanu in 2024, with an average age of 74.
What services does Dr. Madalina Opreanu bill to Medicare?
In 2024, Dr. Opreanu's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
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What drugs does Dr. Madalina Opreanu prescribe most?
In 2024 Medicare Part D data, Dr. Opreanu's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. Madalina Opreanu received payments from drug or device companies?
CMS Open Payments shows $9,571 in general payments to Dr. Opreanu from 63 companies from 2017 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Madalina Opreanu been practicing?
Dr. Opreanu graduated from medical school in 2003, 23 years ago.
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