DR. VIGNESH SUNDARAM MD
NPI 1215509435
Internal Medicine in Springfield, MO
About Dr. Vignesh Sundaram Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VIGNESH SUNDARAM MD (NPI 1215509435) is an individual internal medicine provider in Springfield, Missouri, licensed in Missouri (2024025781) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS, is affiliated with Cox Medical Centers, and maintains a secondary practice location in Lebanon.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Vignesh Sundaram Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Vignesh Sundaram reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MO 65807
- Reassigned Medicare billing, Missouri enrollment
- 1,487 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cox Medical Centers
Acute Care Hospitals · Springfield, MOMercy Hospital Lebanon
Acute Care Hospitals · Lebanon, MOMercy Hospital Springfield
Acute Care Hospitals · Springfield, MOMercy Hospital Aurora
Critical Access Hospitals · Aurora, MOMercy St Francis Hospital
Critical Access Hospitals · Mountain View, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Vignesh Sundaram's NPI number?
The NPI number for Vignesh Sundaram is 1215509435. It was assigned to this individual provider in the NPPES registry on July 15, 2021.
Where is Vignesh Sundaram located?
Vignesh Sundaram practices at 1235 E Cherokee St, Springfield, MO 65804. The listed phone number is (417) 820-2600.
What is Vignesh Sundaram's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Vignesh Sundaram enrolled in Medicare?
Yes. Vignesh Sundaram is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Vignesh Sundaram's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vignesh Sundaram reassigns Medicare benefits to Mercy Clinic Springfield Communities (Springfield, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vignesh Sundaram's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vignesh Sundaram accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Vignesh Sundaram as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Vignesh Sundaram affiliated with any hospitals?
According to CMS data, Vignesh Sundaram is affiliated with Cox Medical Centers, Mercy Hospital Lebanon, Mercy Hospital Springfield, Mercy Hospital Aurora and Mercy St Francis Hospital.
When was this NPI record last updated?
The NPPES record for Vignesh Sundaram was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Vignesh Sundaram, MD · NPI 1215509435
Internal Medicine physician in Springfield, Missouri. Individual provider, active in the CMS NPPES registry since July 15, 2021.
## Identity
- **NPI:** 1215509435 (Entity type: Individual)
- **Enumerated:** July 15, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2024025781 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1235 E CHEROKEE ST, Springfield, MO 65804-2203
- **Phone:** (417) 820-2600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Clinic Springfield Communities (NPI 1245277631, Springfield, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215509435) · Data from the CMS NPPES public registry.