Athos Rassias, MD
NPI 1609961119 · Critical Care Medicine (Anesthesiology) Physician · Lebanon, NH
Provider details
- NPI number
- 1609961119
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9258 (NH)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
298 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 102 | $201 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 53 | $345 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 45 | $42 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 40 | $75 |
| Insertion of Tube in Pulmonary Artery for Monitoring93503 | 20 | $80 |
| Anesthesia for Procedure on Heart and Large Blood Vessels Using Heart-Lung Machine (1 Year Or Older)00562 | 13 | $582 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2025-09-11
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.