Quick answers
- Does Ramalingam Ratnasabapathy accept Medicare assignment?
- Yes. Medicare's clinician data says Ramalingam Ratnasabapathy 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 Ramalingam Ratnasabapathy see?
- In 2024, CMS data shows 407 Original Medicare patients and 166,043 services for Ramalingam Ratnasabapathy. This counts Original Medicare only and measures volume, not quality.
- What is Ramalingam Ratnasabapathy's NPI number?
- 1144220781. 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 Ramalingam Ratnasabapathy, 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 | 407 |
|---|---|
| Services billed to Medicare | 166,043 |
| Different services or procedures | 163 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram (Q5110)21,120 services
- Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)20,910 services
- Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram (Q5101)18,060 services
- Injection, fosaprepitant, 1 mg (J1453)9,000 services
- Injection, denosumab, 1 mg (J0897)5,340 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)48%
- Arthritis47%
- Diabetes41%
- Ischemic heart disease35%
Practice locations
Addresses where Ramalingam Ratnasabapathy is enrolled with Medicare (CMS data updated October 2, 2026).
- 2460 W Horizon Ridge PkwyHenderson, NV 89052 (702) 822‑2000
Group practices
Medicare enrollment lists Ramalingam Ratnasabapathy as a member of this group (CMS data updated October 2, 2026).
- Allison Curtis Kingsley Meoz Michael and Sanchez PC72 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Henderson
Clinicians with the same Medicare primary specialty in Henderson, NV — not a recommendation.
Other clinicians in Allison Curtis Kingsley Meoz Michael and Sanchez PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144220781 |
| 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
- 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