Venkatachalam Senthilnathan, MD, FRCS
NPI 1629174537 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Venkatachalam Senthilnathan, MD, FRCS is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Boston, MA (NPI 1629174537).
Provider details
- NPI number
- 1629174537
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FRCS
- Sex
- Male
- Sole proprietor
- No
- License
- 158601 (MA)
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
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
205 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) |
|---|---|---|
| Harvest of Vein Using an Endoscope33508 | 44 | $16 |
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 31 | $760 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 26 | $1,718 |
| Coronary Artery Bypass Using Vein Or Artery Graft, 1 Graft33517 | 25 | $187 |
| Harvest of Artery From Arm for Heart Bypass Graft Using an Endoscope33509 | 21 | $173 |
| Coronary Artery Bypass Using Artery Graft, 2 Grafts33534 | 18 | $2,066 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 1 record (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
- 2006-09-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Venkatachalam Senthilnathan's NPI number?
- Venkatachalam Senthilnathan's National Provider Identifier (NPI) is 1629174537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Venkatachalam Senthilnathan's specialty?
- Venkatachalam Senthilnathan is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Venkatachalam Senthilnathan located?
- Venkatachalam Senthilnathan's practice location on file with NPPES is 110 Francis St, Boston, MA 02215-5501.
- What is Venkatachalam Senthilnathan's phone number?
- The practice phone number listed in the NPPES registry for Venkatachalam Senthilnathan is (617) 632-8383.
- Does Venkatachalam Senthilnathan accept Medicare?
- Venkatachalam Senthilnathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Venkatachalam Senthilnathan's NPI active?
- Yes — Venkatachalam Senthilnathan's NPI (1629174537) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.