Dr. Athan Roumanas, MD
- Medicare services, 2024
- 137
- Medicare patients, 2024
- 135
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $10,380
- Practice address
- 1155 Mill Street, Reno, NV 89502
- Practice phone
- Call (775) 982-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Roumanas' professional email, personal email and mobile number
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Dr. Athan Roumanas is a cardiothoracic surgeon in Reno, Nevada
Dr. Roumanas practices at Renown Regional Medical Center in Reno, Nevada, part of Renown Health.
Dr. Roumanas' NPI, 1477525376, was assigned on February 3, 2006. Dr. Roumanas graduated from Sidney Kimmel Medical College in 1991. Dr. Roumanas holds Nevada license 9348.
- NPI
- 1477525376NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638119183
- NPI enumeration date
- February 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (775) 982-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Athan Roumanas practices at Renown Regional Medical Center in Reno, Nevada
Dr. Roumanas' primary practice is Renown Regional Medical Center, at 1155 Mill Street, Reno, NV 89502 in Washoe County. The practice phone is (775) 982-4100.
- Renown Regional Medical Center1155 Mill Street, Reno, NV 89502 · Washoe CountyPhone(775) 982-4100
Source: Dmand AI Affiliation Data
Dr. Athan Roumanas is affiliated with 2 sites of care and 1 medical group
Dr. Roumanas' primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. The medical group on file is Renown Health. Dmand AI also links Dr. Roumanas to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Athan Roumanas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roumanas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Renown Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Athan Roumanas is one of 43 cardiothoracic surgeons in Nevada
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Roumanas' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Roumanas is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. Roumanas' licenses on file in 2 states: Nevada and Illinois.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), NevadaPrimary
- Illinois license
Clinical focus
Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. Roumanas treats.
Cardiothoracic surgeons near Dr. Roumanas
Counts of cardiothoracic surgeons 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. Athan Roumanas billed Medicare for 137 services in 2024
CMS data shows 137 Medicare services from Dr. Roumanas across 4 procedure codes in 2024, for 135 Medicare patients. Medicare paid $48,968 for them.
Dr. Roumanas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 892024: 828%
- Surgery
- 2023: 792024: 5530%
Where Dr. Roumanas' Medicare services took place, 2024
- In an office6245%
- In a facility7555%
Dr. Roumanas compared with the Nevada median for cardiothoracic surgeons, 2024
- Dr. Roumanas
- Nevada median
- Medicare services
- 137vs 10333% above
- Medicare patients
- 135vs 10726% above
Medians across 37 cardiothoracic surgeons in Nevada with Dmand AI profiles that report each measure.
Dr. Roumanas' 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. Roumanas and other cardiothoracic surgeons in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Athan Roumanas treated 135 Medicare patients in 2024, average age 77
CMS counts 135 Medicare patients who saw Dr. Roumanas in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.70, 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. Roumanas' median patient age at 73, with 30% women.
Dr. Roumanas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Roumanas' Medicare patients by sex, 2024
- Women5541%
- Men8059%
Chronic conditions among Dr. Roumanas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure59%
- Atrial fibrillation56%
- Chronic kidney disease43%
- Arthritis42%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Roumanas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women30%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Athan Roumanas scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Roumanas for performance year 2024, reported as part of a group. Dr. Roumanas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of coronary artery bypass graft (cabg) by Dr. Roumanas, more than 50% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Roumanas' MIPS scores, performance year 2024
- 85of 100Final score
- 79.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Roumanas ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 50th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Athan Roumanas received $10,380 in industry payments from 2016 to 2025
CMS Open Payments shows 236 general payments to Dr. Roumanas from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. Edwards Lifesciences Corporation paid the most, $6,481.
General payments to Dr. Roumanas by program year, 2016 to 2025
General payments to Dr. Roumanas by kind, 2016 to 2025
- Food and beverage$8,95786%
- Travel and lodging$1,42314%
Companies that paid Dr. Roumanas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Athan Roumanas graduated from Sidney Kimmel Medical College
Dr. Roumanas graduated from Sidney Kimmel Medical College in 1991.
- Medical school
- Board certified in thoracic and cardiac surgery
Source: Dmand AI Professional Profile Data
Dr. Athan Roumanas accepts plans from 6 insurance carriers
Dr. Roumanas is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- CMS Medicare
- HCSC
- NV State Medicaid
Plan types Dr. Roumanas accepts, by number of carriers
- HMO3
- Medicare3
- PPO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Athan Roumanas'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Athan Roumanas
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. Athan Roumanas' NPI number?
Dr. Athan Roumanas' NPI number is 1477525376. It was assigned on February 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Athan Roumanas?
Dr. Athan Roumanas is a cardiothoracic surgeon in Reno, Nevada. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Athan Roumanas practice?
Dr. Roumanas practices at 1155 Mill Street, Reno, NV 89502. Dr. Roumanas' primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dmand AI also links Dr. Roumanas to 1 group practice or clinic.
What is Dr. Athan Roumanas' office phone number?
The practice phone on file for Dr. Roumanas is (775) 982-4100.
What is Dr. Athan Roumanas' medical license number?
Dr. Roumanas holds Nevada license 9348, one of the licenses on file in 2 states.
Which states has Dr. Athan Roumanas been licensed in?
Dmand AI has state licenses on file for Dr. Roumanas in Nevada (2000 to 2027) and Illinois (1997 to 2002).
Which hospitals is Dr. Athan Roumanas affiliated with?
Dr. Roumanas practices at Renown Regional Medical Center in Reno, Nevada.
What medical group is Dr. Athan Roumanas part of?
Dr. Roumanas is linked to Renown Health.
Does Dr. Athan Roumanas accept Medicare?
Yes. CMS data shows Dr. Roumanas billed Medicare for 137 services in 2024, and Dr. Roumanas accepts Medicare assignment.
What is Dr. Athan Roumanas' MIPS score?
Dr. Roumanas' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Athan Roumanas see?
CMS counts 135 Medicare patients who saw Dr. Roumanas in 2024, with an average age of 77.
Is Dr. Athan Roumanas board certified?
Yes. Dr. Roumanas is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.
What services does Dr. Athan Roumanas bill to Medicare?
In 2024, Dr. Roumanas' most billed Medicare services were office visit, new patient (99205), surgery: heart and blood vessels (33361) and hospital inpatient care (99223).
Where did Dr. Athan Roumanas go to medical school?
Dr. Roumanas graduated from Sidney Kimmel Medical College in 1991.
Has Dr. Athan Roumanas received payments from drug or device companies?
CMS Open Payments shows $10,380 in general payments to Dr. Roumanas from 8 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Athan Roumanas been practicing?
Dr. Roumanas graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Athan Roumanas accept?
Dr. Roumanas is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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