Stelios Viennas, MD
NPI 1508827502 · Rheumatology Physician · Astoria, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stelios Viennas, MD is a Rheumatology Physician provider in Astoria, NY (NPI 1508827502).
Provider details
- NPI number
- 1508827502
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 206085 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
815 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 383 | $143 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 292 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 71 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 51 | $187 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $102 |
Typical Medicare-allowed amounts for these services range $9–$187 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodiumbrand: Diclofenac Sodium Er | 305 | 31 |
| Methotrexate Sodiumbrand: Methotrexate | 294 | 85 |
| Meloxicam | 227 | 64 |
| Hydroxychloroquine Sulfate | 208 | 59 |
| Prednisone | 129 | 40 |
| Gabapentin | 124 | 36 |
| Leflunomide | 117 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$641 across 41 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-29
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Stelios Viennas's NPI number?
- Stelios Viennas's National Provider Identifier (NPI) is 1508827502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stelios Viennas's specialty?
- Stelios Viennas is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Stelios Viennas located?
- Stelios Viennas's practice location on file with NPPES is 3802 31st Ave, Astoria, NY 11103-3800.
- What is Stelios Viennas's phone number?
- The practice phone number listed in the NPPES registry for Stelios Viennas is (718) 728-5951.
- Does Stelios Viennas accept Medicare?
- Stelios Viennas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stelios Viennas's NPI active?
- Yes — Stelios Viennas's NPI (1508827502) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.