Quick answers
- Does Karthikeyan Kandavelou accept Medicare assignment?
- Yes. Medicare's clinician data says Karthikeyan Kandavelou 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 Karthikeyan Kandavelou see?
- In 2024, CMS data shows 361 Original Medicare patients and 138,483 services for Karthikeyan Kandavelou. This counts Original Medicare only and measures volume, not quality.
- What is Karthikeyan Kandavelou's NPI number?
- 1730316068. 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 Karthikeyan Kandavelou, 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 | 361 |
|---|---|
| Services billed to Medicare | 138,483 |
| Different services or procedures | 100 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram (Q5101)35,040 services
- Injection, ferric carboxymaltose, 1 mg (J1439)14,250 services
- Injection, fosaprepitant, 1 mg (J1453)11,401 services
- Injection, denosumab, 1 mg (J0897)4,800 services
- Injection, iron sucrose, 1 mg (J1756)4,400 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%
- Arthritis45%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
- Ischemic heart disease36%
- Chronic kidney disease36%
Hospitals where Karthikeyan Kandavelou works
Medicare's Facility Affiliation Data lists Karthikeyan Kandavelou 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.
- Middlesex HospitalMiddletown, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070020
Practice locations
Addresses where Karthikeyan Kandavelou is enrolled with Medicare (CMS data updated October 2, 2026).
- 536 Saybrook RdMiddletown, CT 06457 (860) 358‑2220
Group practices
Medicare enrollment lists Karthikeyan Kandavelou as a member of this group (CMS data updated October 2, 2026).
- Connecticut Oncology Group, P.C.8 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Connecticut
Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.
Other clinicians in Connecticut Oncology Group, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730316068 |
| 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