Doctor profile · Federal record

Dr. Janani Vigneswaran, MD, MPH

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Surgery Physician · Fenton, MO

  • NPI 1447609821
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1011 Bowles Ave Ste 425
Fenton, MO 630262384
(314) 925-4770
Additional location
30 N 1900 E
Salt Lake City, UT 841320002
(801) 581-2121
Additional location
5841 S Maryland Ave # Mc6040
Chicago, IL 606371447
(773) 753-1880
fax (773) 702-2140
Show 1 more location
Additional location
400 Medical Plz Ste 100
Lake St Louis, MO 633671493
Mailing address
30 N 1900 E
Salt Lake City, UT 841320002

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
September 17, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (3)
Missouri #2025030774 · Utah #13289390-1205 · Illinois #125.069016

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447609821. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,532
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 3 $1,147.86
Zimmer Biomet Holdings, INC. 2 $236.88
Atricure, INC. 1 $146.95

By nature of payment

Education
$1,000
Food and Beverage
$532

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$62
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 11 11 $62

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Janani Vigneswaran's medical specialty?
Dr. Janani Vigneswaran practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Fenton, MO.
Where does Dr. Janani Vigneswaran practice?
Dr. Janani Vigneswaran practices at 1011 Bowles Ave Ste 425, Fenton, MO 630262384. Office phone: 3149254770.
What is Dr. Janani Vigneswaran's NPI?
Dr. Janani Vigneswaran's National Provider Identifier (NPI) is 1447609821, issued by NPPES.
Does Dr. Janani Vigneswaran accept Medicare assignment?
Yes. Dr. Janani Vigneswaran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.