Quick answers
- Does Poongothai Sundaram accept Medicare assignment?
- Yes. Medicare's clinician data says Poongothai Sundaram accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Poongothai Sundaram see?
- In 2024, CMS data shows 260 Original Medicare patients and 36,299 services for Poongothai Sundaram. This counts Original Medicare only and measures volume, not quality.
- What is Poongothai Sundaram's NPI number?
- 1538127238. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Poongothai Sundaram, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 260 |
|---|---|
| Services billed to Medicare | 36,299 |
| Different services or procedures | 112 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)4,200 services
- Injection, ferric derisomaltose, 10 mg (J1437)1,400 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)680 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)565 services
- Injection, palonosetron hcl, 25 mcg (J2469)440 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease42%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
- Diabetes38%
Hospitals where Poongothai Sundaram works
Medicare's Facility Affiliation Data lists Poongothai Sundaram at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360035
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360012
Practice locations
Addresses where Poongothai Sundaram is enrolled with Medicare (CMS data updated October 2, 2026).
- 3100 Plaza Properties BlvdColumbus, OH 43219 (614) 383‑6000
- 5300 N Meadows Dr, Suite 1900Grove City, OH 43123 (614) 663‑2551
Group practices
Medicare enrollment lists Poongothai Sundaram as a member of these groups (CMS data updated October 2, 2026).
- American Oncology Partners PA391 clinicians in the group
- Mount Carmel Health System84 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in American Oncology Partners PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538127238 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians