Sivagama Valli Ramasundaram, M.D.,
NPI 1275811952 · Internal Medicine Physician · Columbus, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sivagama Valli Ramasundaram, M.D., is a Internal Medicine Physician provider in Columbus, IN (NPI 1275811952).
Provider details
- NPI number
- 1275811952
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,
- Sex
- Female
- Sole proprietor
- No
- License
- 01073923A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,459 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 468 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 326 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 205 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $86 |
| Administration of Influenza Virus VaccineG0008 | 87 | $30 |
| Admn Sarscov2 Vacc 1 Dose90480 | 85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 470 | 147 |
| Levothyroxine Sodium | 308 | 86 |
| Lisinopril | 267 | 76 |
| Amlodipine Besylate | 225 | 72 |
| Hydrochlorothiazide | 206 | 62 |
| Omeprazole | 179 | 58 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$78 across 4 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
Registry dates
- Enumerated
- 2011-07-28
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Sivagama Valli Ramasundaram's NPI number?
- Sivagama Valli Ramasundaram's National Provider Identifier (NPI) is 1275811952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sivagama Valli Ramasundaram's specialty?
- Sivagama Valli Ramasundaram is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sivagama Valli Ramasundaram located?
- Sivagama Valli Ramasundaram's practice location on file with NPPES is 2118 25th St Ste C, Columbus, IN 47201-3240.
- What is Sivagama Valli Ramasundaram's phone number?
- The practice phone number listed in the NPPES registry for Sivagama Valli Ramasundaram is (812) 376-9427.
- Does Sivagama Valli Ramasundaram accept Medicare?
- Sivagama Valli Ramasundaram is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sivagama Valli Ramasundaram's NPI active?
- Yes — Sivagama Valli Ramasundaram's NPI (1275811952) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.