Vignesh Sundaram, MD
NPI 1215509435 · Internal Medicine Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vignesh Sundaram, MD is a Internal Medicine Physician provider in Springfield, MO (NPI 1215509435).
Provider details
- NPI number
- 1215509435
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2024025781 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
146 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 133 | $161 |
| Critical Care, First 30-74 Minutes99291 | 13 | $188 |
Typical Medicare-allowed amounts for these services range $161–$188 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 30 | 13 |
| Atorvastatin Calcium | 25 | 12 |
| Pantoprazole Sodium | 15 | — |
| Gabapentin | 14 | — |
| Losartan Potassium | 14 | — |
| Alendronate Sodium | 13 | — |
| Furosemide | 13 | — |
Practice location
Mailing address
Additional practice locations (1)
- 100 Hospital DrLebanon, MO 65536-9210Phone: (417) 533-6100
Registry dates
- Enumerated
- 2021-07-15
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Vignesh Sundaram's NPI number?
- Vignesh Sundaram's National Provider Identifier (NPI) is 1215509435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vignesh Sundaram's specialty?
- Vignesh Sundaram is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vignesh Sundaram located?
- Vignesh Sundaram's practice location on file with NPPES is 1235 E Cherokee St, Springfield, MO 65804-2203.
- What is Vignesh Sundaram's phone number?
- The practice phone number listed in the NPPES registry for Vignesh Sundaram is (417) 820-2600.
- Does Vignesh Sundaram accept Medicare?
- Vignesh Sundaram is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vignesh Sundaram's NPI active?
- Yes — Vignesh Sundaram's NPI (1215509435) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.