Janani Vigneswaran, MD, MPH
NPI 1447609821 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Fenton, MO
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janani Vigneswaran, MD, MPH is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Fenton, MO (NPI 1447609821).
Provider details
- NPI number
- 1447609821
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 13289390-1205 (UT)
Specialties & taxonomies
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianPrimary208G00000XLicense 2025030774 (MO)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,532 across 6 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
Additional practice locations (3)
- 5841 S Maryland Ave # Mc6040Chicago, IL 60637-1447Phone: (773) 753-1880Fax: (773) 702-2140
- 400 Medical Plz Ste 100Lake St Louis, MO 63367-1493Phone: (314) 925-4770
- 30 N 1900 ESalt Lake City, UT 84132-0002Phone: (801) 581-2121
Registry dates
- Enumerated
- 2016-06-07
- Last updated
- 2025-09-17
- Certified
- 2025-09-17
Frequently asked questions
- What is Janani Vigneswaran's NPI number?
- Janani Vigneswaran's National Provider Identifier (NPI) is 1447609821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janani Vigneswaran's specialty?
- Janani Vigneswaran is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Janani Vigneswaran located?
- Janani Vigneswaran's practice location on file with NPPES is 1011 Bowles Ave Ste 425, Fenton, MO 63026-2384.
- What is Janani Vigneswaran's phone number?
- The practice phone number listed in the NPPES registry for Janani Vigneswaran is (314) 925-4770.
- Does Janani Vigneswaran accept Medicare?
- Janani Vigneswaran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janani Vigneswaran's NPI active?
- Yes — Janani Vigneswaran's NPI (1447609821) is active in the NPPES registry as of the last update on 2025-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.