Curr Probl Cardiol
Defibrillators, ImplantableEndocarditisFluorodeoxyglucose F18
Dr. Radu Hagau, MD
NPI1073742144PAC ID8123336195
- Medicare services, 2024
- 1,535
- Medicare patients, 2024
- 970
- Part D claims, 2024
- 4,081
- Publications
- 3
- Hospital affiliations
- 6
- Practice address
- 1000 Fourth Street SW, Mason City, IA 50401
- Practice phone
- Call (641) 428-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hagau'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. Radu Hagau is a cardiologist in Mason City, Iowa
Dr. Hagau practices at MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health.
Dr. Hagau's NPI, 1073742144, was assigned on July 9, 2009. Dr. Hagau holds Iowa license MD-43092.
NPI and contact details
- NPI
- 1073742144NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123336195
- NPI enumeration date
- July 9, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (641) 428-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Radu Hagau practices at MercyOne North Iowa Medical Center in Mason City, Iowa
Dr. Hagau's primary practice is MercyOne North Iowa Medical Center, at 1000 Fourth Street SW, Mason City, IA 50401 in Cerro Gordo County. The practice phone is (641) 428-7000.
- MercyOne North Iowa Medical Center1000 Fourth Street SW, Mason City, IA 50401 · Cerro Gordo CountyPhone(641) 428-7000
Source: Dmand AI Affiliation Data
Dr. Radu Hagau is affiliated with 9 sites of care and 4 medical groups
Dr. Hagau's primary practice is MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health. Dr. Hagau is also affiliated with Iowa Specialty Hospital - Clarion. The medical group on file is MercyOne North Iowa Anesthesia Professional Services. Dmand AI also links Dr. Hagau to 4 more hospitals, 3 medical groups, 2 group practices and clinics and 1 hospice, each named with a free account.
Iowa Specialty Hospital - ClarionMercyOne North Iowa Anesthesia Professional Services4 hospitalsNames with a free account3 medical groupsNames with a free account2 group practices and clinicsNames with a free account1 hospiceName with a free account
See all 13 affiliations for Dr. HagauSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Radu Hagau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hagau practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne North Iowa Medical Center | Available with a free account |
| +8 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Radu Hagau is one of 166 cardiologists in Iowa
Cardiovascular disease is Dr. Hagau's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Hagau is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Hagau's licenses on file in 3 states: Iowa, Florida and Rhode Island.
Specialties and state licenses
- Cardiovascular disease, IowaPrimary
- Florida license
- Internal medicine, Rhode Island
Cardiologists near Dr. Hagau
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
166cardiologists in Iowa11cardiologists in Mason City10cardiologists at MercyOne North Iowa Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Radu Hagau billed Medicare for 1,535 services in 2024
CMS data shows 1,535 Medicare services from Dr. Hagau across 15 procedure codes in 2024, for 970 Medicare patients. Medicare paid $79,778 for them.
Medicare services, 20241,535
Medicare patients970
Paid by Medicare$79,778
Procedure codes15
Dr. Hagau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5772024: 83847%
- Tests and treatments
- 2023: 2,2042024: 64571%
- Imaging
- 2023: 1222024: 5257%
Where Dr. Hagau's Medicare services took place, 2024
- In an office40626%
- In a facility1,12974%
Dr. Hagau compared with the Iowa median for cardiologists, 2024
- Dr. Hagau
- Iowa median
- Medicare services
- 1,535vs 1,598Close to median
- Medicare patients
- 970vs 1,09411% below
- Part D claims
- 3,947vs 1,1383.5 times
Medians across 174 cardiologists in Iowa with Dmand AI profiles that report each measure.
Dr. Hagau'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.
Need commercial claims for Dr. Hagau?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hagau and other cardiologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Radu Hagau treated 970 Medicare patients in 2024, average age 77
CMS counts 970 Medicare patients who saw Dr. Hagau in 2024. The largest group is 75 to 84, with 368 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hagau's median patient age at 75, with 44% women.
Medicare patients, 2024970
Average age77
Average risk score1.48
Also on Medicaid8%
Dr. Hagau's Medicare patients by age, 2024
Dr. Hagau's Medicare patients by sex, 2024
- Women47749%
- Men49351%
Chronic conditions among Dr. Hagau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease64%
- Arthritis48%
- Heart failure46%
- Atrial fibrillation39%
- Diabetes34%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hagau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Radu Hagau wrote 4,081 Medicare Part D claims in 2024
In 2024, Dr. Hagau wrote 4,081 Medicare Part D claims for 645 patients. 91% of them were for generic drugs. CMS names the drug for 3,947 of them, across 39 drugs with 11 or more claims each, at $361,068 in total drug cost. In 2023, CMS named 4,669 claims across 37 drugs.
Part D claims, 20244,081
Drugs named by CMS39
Total drug cost$361,068
Part D patients645
Dr. Hagau's Part D claims by kind of drug, 2024
- Generic3,700 claims91%
- Brand-name381 claims9%
Dr. Hagau'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,6692024: 3,94715%
Drugs named by CMS: 39 in 2024, 37 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. Radu Hagau takes part in Medicare
Dr. Hagau 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. Radu Hagau has 3 publications on record
Dmand AI links 3 papers to Dr. Hagau, published from 2010 to 2022. Dr. Hagau's most frequent co-authors are Tauseef Akhtar, MD, Perry Scott Gerard, MD and Raktim Kumar Ghosh, MD.
Papers3
Years published2010 to 2022
Dr. Hagau's most frequent co-authors
- Tauseef Akhtar, MD1 shared paper
- Perry Scott Gerard, MD1 shared paper
- Raktim Kumar Ghosh, MD1 shared paper
Recent publications by Dr. Hagau
CytokinesInfluenza A Virus, H1N1 SubtypeInfluenza, Human
Aneurysm, FalseArterio-Arterial FistulaCoronary Artery Disease
See who Dr. Hagau researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hagau works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Radu Hagau received $3,136 in industry payments from 2017 to 2025
CMS Open Payments shows 73 general payments to Dr. Hagau from 21 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 58% of the total. Siemens Medical Solutions USA, Inc. paid the most, $1,014.
General payments to Dr. Hagau by program year, 2017 to 2025
General payments to Dr. Hagau by kind, 2017 to 2025
$3.1Kin total
- Travel and lodging$1,81058%
- Food and beverage$1,32642%
Companies that paid Dr. Hagau the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Radu Hagau is board certified in cardiovascular disease
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Radu Hagau'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Radu Hagau
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. Radu Hagau's NPI number?
Dr. Radu Hagau's NPI number is 1073742144. It was assigned on July 9, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Radu Hagau?
Dr. Radu Hagau is a cardiologist in Mason City, Iowa. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Radu Hagau practice?
Dr. Hagau practices at 1000 Fourth Street SW, Mason City, IA 50401. Dr. Hagau's primary practice is MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health. Dmand AI also links Dr. Hagau to 4 hospitals, 3 medical groups, 2 group practices and clinics and 1 hospice.
What is Dr. Radu Hagau's office phone number?
The practice phone on file for Dr. Hagau is (641) 428-7000.
What is Dr. Radu Hagau's medical license number?
Dr. Hagau holds Iowa license MD-43092, one of the licenses on file in 3 states.
Which states has Dr. Radu Hagau been licensed in?
Dmand AI has state licenses on file for Dr. Hagau in Iowa, Florida and Rhode Island.
Which hospitals is Dr. Radu Hagau affiliated with?
Dr. Hagau practices at MercyOne North Iowa Medical Center in Mason City, Iowa. Dr. Hagau is also affiliated with Iowa Specialty Hospital - Clarion. Dmand AI links Dr. Hagau to 4 more hospitals.
What medical group is Dr. Radu Hagau part of?
Dr. Hagau is linked to MercyOne North Iowa Anesthesia Professional Services. Dmand AI links Dr. Hagau to 3 more medical groups.
Does Dr. Radu Hagau accept Medicare?
Yes. CMS data shows Dr. Hagau billed Medicare for 1,535 services in 2024, and Dr. Hagau accepts Medicare assignment.
How many Medicare patients does Dr. Radu Hagau see?
CMS counts 970 Medicare patients who saw Dr. Hagau in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Radu Hagau board certified?
Yes. Dr. Hagau is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Radu Hagau bill to Medicare?
In 2024, Dr. Hagau's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and heart test or procedure (93010).
What drugs does Dr. Radu Hagau prescribe most?
In 2024 Medicare Part D data, Dr. Hagau's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Radu Hagau received payments from drug or device companies?
CMS Open Payments shows $3,136 in general payments to Dr. Hagau from 21 companies from 2017 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Radu Hagau been practicing?
Dr. Hagau graduated from medical school in 2006, 20 years ago.
Does Dr. Radu Hagau do research?
Dmand AI links 3 publications to Dr. Hagau, published from 2010 to 2022.
Who does Dr. Radu Hagau publish with?
Dr. Hagau's most frequent co-authors are Tauseef Akhtar, MD (1 shared paper), Perry Scott Gerard, MD (1 shared paper) and Raktim Kumar Ghosh, MD (1 shared paper).
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