Doctor profile · Federal record

Dr. Venkatachalam Senthilnathan, MD, FRCS

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Boston, MA

  • NPI 1629174537
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 Francis St, Suite 2A
Boston, MA 022155501
(617) 632-8383

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Massachusetts #158601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629174537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
9
Medicare allowed
$152,124
HCPCS Description Services Patients Avg allowed
33361 Replacement of aortic valve through the skin and femoral artery 41 41 $775
33508 Harvest of vein using an endoscope 35 35 $16
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $88
33534 Coronary artery bypass using artery graft, 2 grafts 23 23 $2,122
33509 Harvest of artery from arm for heart bypass graft using an endoscope 20 20 $177
33533 Coronary artery bypass using artery graft, 1 graft 20 20 $1,838
33517 Coronary artery bypass using vein or artery graft, 1 graft 15 15 $190
33518 Coronary artery bypass using vein or artery graft, 2 grafts 13 13 $419
33405 Replacement of aortic valve on heart-lung machine 11 11 $1,810

In context: peer comparison

Among 31 peers in Boston Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 38. This provider delivers 5.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$148
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $148.05

By nature of payment

Food and Beverage
$148

Frequently asked questions

Auto-generated from federal data
What is Dr. Venkatachalam Senthilnathan's medical specialty?
Dr. Venkatachalam Senthilnathan practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Boston, MA.
Where does Dr. Venkatachalam Senthilnathan practice?
Dr. Venkatachalam Senthilnathan practices at 110 Francis St, Boston, MA 022155501. Office phone: 6176328383.
What is Dr. Venkatachalam Senthilnathan's NPI?
Dr. Venkatachalam Senthilnathan's National Provider Identifier (NPI) is 1629174537, issued by NPPES.
Does Dr. Venkatachalam Senthilnathan accept Medicare assignment?
Yes. Dr. Venkatachalam Senthilnathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Venkatachalam Senthilnathan commonly perform?
Top Medicare-reported procedures in 2023: Replacement of aortic valve through the skin and femoral artery (HCPCS 33361); Harvest of vein using an endoscope (HCPCS 33508); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.