Quick answers
- Does Ekambaram Ilamathi accept Medicare assignment?
- Yes. Medicare's clinician data says Ekambaram Ilamathi 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 Ekambaram Ilamathi see?
- In 2024, CMS data shows 180 Original Medicare patients and 561 services for Ekambaram Ilamathi. This counts Original Medicare only and measures volume, not quality.
- What is Ekambaram Ilamathi's NPI number?
- 1326046715. 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 Ekambaram Ilamathi, 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 | 180 |
|---|---|
| Services billed to Medicare | 561 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)298 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)102 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)85 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)36 services
- Dialysis services, 1 physician visit per month (20 years or older) (90962)16 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%
- Chronic kidney disease75%
- Heart failure61%
- Diabetes59%
- Ischemic heart disease56%
Hospitals where Ekambaram Ilamathi works
Medicare's Facility Affiliation Data lists Ekambaram Ilamathi 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.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330185
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393
Practice locations
Addresses where Ekambaram Ilamathi is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Port Washington BlvdRoslyn, NY 11576
- 1000 N Village AveRockville Center, NY 11570
Group practices
Medicare enrollment lists Ekambaram Ilamathi as a member of this group (CMS data updated October 2, 2026).
- CHS Physician Partners PC743 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Roslyn
Clinicians with the same Medicare primary specialty in Roslyn, NY — not a recommendation.
Other clinicians in CHS Physician Partners PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 (53 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326046715 |
| 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