Dr. Stelios Viennas, MD
- Medicare services, 2024
- 3,516
- Medicare patients, 2024
- 269
- Part D claims, 2024
- 3,431
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Practice address
- 14 Wall St, New York, NY 10005
- Practice phone
- Call (212) 263-1481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone Perlmutter Cancer Center - 34th St
New York, New York
Find Dr. Viennas' professional email, personal email and mobile number
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Dr. Stelios Viennas is a rheumatologist in New York, New York
Dr. Viennas practices at NYU Langone Perlmutter Cancer Center - 34th St in New York, New York.
Dr. Viennas' NPI, 1508827502, was assigned on March 29, 2006. Dr. Viennas graduated from New York Medical College in 1992. Dr. Viennas holds New York license 206085.
- NPI
- 1508827502NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355482993
- NPI enumeration date
- March 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 263-1481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stelios Viennas practices at NYU Langone Perlmutter Cancer Center - 34th St in New York, New York
Dr. Viennas' primary practice is NYU Langone Perlmutter Cancer Center - 34th St, at 14 Wall St, New York, NY 10005 in New York County. The practice phone is (212) 263-1481.
- NYU Langone Perlmutter Cancer Center - 34th St14 Wall St, New York, NY 10005 · New York CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stelios Viennas is affiliated with 4 sites of care and 1 medical group
Dr. Viennas' primary practice is NYU Langone Perlmutter Cancer Center - 34th St in New York, New York. Dr. Viennas is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Viennas to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stelios Viennas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viennas practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone Perlmutter Cancer Center - 34th St | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stelios Viennas is one of 514 rheumatologists in New York
Rheumatology is Dr. Viennas' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Viennas is licensed in New York.
Specialties and state licenses
- Rheumatology, New YorkPrimary
Rheumatologists near Dr. Viennas
Counts of rheumatologists 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. Stelios Viennas billed Medicare for 3,516 services in 2024
CMS data shows 3,516 Medicare services from Dr. Viennas across 6 procedure codes in 2024, for 269 Medicare patients. Medicare paid $102,074 for them. Every service was in an office.
Dr. Viennas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5,7362024: 2,70153%
- Office and hospital visits
- 2023: 5512024: 45218%
- Surgery
- 2023: 3692024: 29221%
- Tests and treatments
- 2023: 1292024: 7145%
Dr. Viennas compared with the New York median for rheumatologists, 2024
- Dr. Viennas
- New York median
- Medicare services
- 3,516vs 5656.2 times
- Medicare patients
- 269vs 17653% above
- Part D claims
- 3,077vs 9213.3 times
Medians across 509 rheumatologists in New York with Dmand AI profiles that report each measure.
Dr. Viennas' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stelios Viennas treated 269 Medicare patients in 2024, average age 75
CMS counts 269 Medicare patients who saw Dr. Viennas in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have arthritis, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Viennas' median patient age at 63, with 72% women.
Dr. Viennas' Medicare patients by age, 2024
Dr. Viennas' Medicare patients by sex, 2024
- Women21881%
- Men5119%
Chronic conditions among Dr. Viennas' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Osteoporosis47%
- Diabetes35%
- Ischemic heart disease33%
- Chronic kidney disease22%
- COPD21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viennas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women72%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stelios Viennas wrote 3,431 Medicare Part D claims in 2024
In 2024, Dr. Viennas wrote 3,431 Medicare Part D claims for 450 patients. 81% of them were for generic drugs. CMS names the drug for 3,077 of them, across 59 drugs with 11 or more claims each, at $3,439,242 in total drug cost. In 2023, CMS named 3,053 claims across 54 drugs.
Dr. Viennas' Part D claims by kind of drug, 2024
- Generic2,763 claims81%
- Brand-name655 claims19%
- Other13 claims0%
Dr. Viennas' 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. Viennas' Part D claims, 2024
- Opioids2%77 of 3,431 claims
- Antibiotics1%20 of 3,431 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: 3,0532024: 3,0771%
Drugs named by CMS: 59 in 2024, 54 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
Dr. Stelios Viennas scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Viennas for performance year 2024, reported as part of a group. Dr. Viennas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Viennas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Viennas' MIPS scores, performance year 2024
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stelios Viennas received $17,761 in industry payments from 2016 to 2025
CMS Open Payments shows 683 general payments to Dr. Viennas from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Pfizer Inc. paid the most, $3,236.
General payments to Dr. Viennas by program year, 2016 to 2025
General payments to Dr. Viennas by kind, 2016 to 2025
- Food and beverage$16,50693%
- Honoraria$1,2007%
- Education$550%
Companies that paid Dr. Viennas 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. Stelios Viennas graduated from New York Medical College
Dr. Viennas graduated from New York Medical College in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stelios Viennas'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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Stelios Viennas
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. Stelios Viennas' NPI number?
Dr. Stelios Viennas' NPI number is 1508827502. It was assigned on March 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stelios Viennas?
Dr. Stelios Viennas is a rheumatologist in New York, New York. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Stelios Viennas practice?
Dr. Viennas practices at 14 Wall St, New York, NY 10005. Dr. Viennas' primary practice is NYU Langone Perlmutter Cancer Center - 34th St in New York, New York. Dmand AI also links Dr. Viennas to 1 physician office and 1 group practice or clinic.
What is Dr. Stelios Viennas' office phone number?
The practice phone on file for Dr. Viennas is (212) 263-1481.
What is Dr. Stelios Viennas' medical license number?
Dr. Viennas holds New York license 206085.
Which hospitals is Dr. Stelios Viennas affiliated with?
Dr. Viennas is affiliated with Tisch Hospital.
What medical group is Dr. Stelios Viennas part of?
Dr. Viennas is linked to NYU Langone Orthopedic Surgery Associates.
Does Dr. Stelios Viennas accept Medicare?
Yes. CMS data shows Dr. Viennas billed Medicare for 3,516 services in 2024, and Dr. Viennas accepts Medicare assignment.
Does Dr. Stelios Viennas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Viennas as offering telehealth services.
What is Dr. Stelios Viennas' MIPS score?
Dr. Viennas' MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Stelios Viennas see?
CMS counts 269 Medicare patients who saw Dr. Viennas in 2024, with an average age of 75.
What services does Dr. Stelios Viennas bill to Medicare?
In 2024, Dr. Viennas' most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
Where did Dr. Stelios Viennas go to medical school?
Dr. Viennas graduated from New York Medical College in 1992.
What drugs does Dr. Stelios Viennas prescribe most?
In 2024 Medicare Part D data, Dr. Viennas' most prescribed drugs by claims were Diclofenac Sodium ER, Methotrexate and Meloxicam.
Has Dr. Stelios Viennas received payments from drug or device companies?
CMS Open Payments shows $17,761 in general payments to Dr. Viennas from 31 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Stelios Viennas been practicing?
Dr. Viennas graduated from medical school in 1992, 34 years ago.
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