Theofanis Tsiamtsiouris, MD
NPI 1306897541 · Interventional Cardiology Physician · Roslyn, NY
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theofanis Tsiamtsiouris, MD is a Interventional Cardiology Physician provider in Roslyn, NY (NPI 1306897541).
Provider details
- NPI number
- 1306897541
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1984011 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4,834 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,818 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 872 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 566 | $135 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 466 | $207 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 375 | $150 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 920 | 301 |
| Metoprolol Succinate | 877 | 280 |
| Atorvastatin Calcium | 667 | 206 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 625 | 190 |
| Amlodipine Besylate | 454 | 148 |
| Apixabanbrand: Eliquis | 368 | 113 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$591 across 33 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
- 2006-05-12
- Last updated
- 2012-10-03
Frequently asked questions
- What is Theofanis Tsiamtsiouris's NPI number?
- Theofanis Tsiamtsiouris's National Provider Identifier (NPI) is 1306897541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theofanis Tsiamtsiouris's specialty?
- Theofanis Tsiamtsiouris is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Theofanis Tsiamtsiouris located?
- Theofanis Tsiamtsiouris's practice location on file with NPPES is 100 Port Washington Blvd Ste 105, Roslyn, NY 11576.
- What is Theofanis Tsiamtsiouris's phone number?
- The practice phone number listed in the NPPES registry for Theofanis Tsiamtsiouris is (516) 390-9640.
- Does Theofanis Tsiamtsiouris accept Medicare?
- Theofanis Tsiamtsiouris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theofanis Tsiamtsiouris's NPI active?
- Yes — Theofanis Tsiamtsiouris's NPI (1306897541) is active in the NPPES registry as of the last update on 2012-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.