Arnar Geirsson, MD
NPI 1306990916 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnar Geirsson, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in New York, NY (NPI 1306990916).
Provider details
- NPI number
- 1306990916
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT187291 (PA)
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
19 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
147 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 60 | $247 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $102 |
| Radical Reconstruction of Mitral Valve on Heart-Lung Machine33427 | 20 | $2,636 |
| Extensive Destruction and Reconstruction of Right Upper Heart Chamber on Heart-Lung Machine33259 | 14 | $964 |
| Replacement of Mitral Valve on Heart-Lung Machine33430 | 13 | $3,173 |
| Repair of Tricuspid Valve With Ring Insertion33464 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21,018 across 44 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
- 2007-01-22
- Last updated
- 2023-08-09
- Certified
- 2023-08-09
Frequently asked questions
- What is Arnar Geirsson's NPI number?
- Arnar Geirsson's National Provider Identifier (NPI) is 1306990916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnar Geirsson's specialty?
- Arnar Geirsson is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Arnar Geirsson located?
- Arnar Geirsson's practice location on file with NPPES is 177 Fort Washington Ave Fl 7, New York, NY 10032-3733.
- What is Arnar Geirsson's phone number?
- The practice phone number listed in the NPPES registry for Arnar Geirsson is (212) 305-4134.
- Does Arnar Geirsson accept Medicare?
- Arnar Geirsson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnar Geirsson's NPI active?
- Yes — Arnar Geirsson's NPI (1306990916) is active in the NPPES registry as of the last update on 2023-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.