Quick answers
- Does Rajesh P. Thirumaran accept Medicare assignment?
- Yes. Medicare's clinician data says Rajesh P. Thirumaran 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 Rajesh P. Thirumaran see?
- In 2024, CMS data shows 138 Original Medicare patients and 572 services for Rajesh P. Thirumaran. This counts Original Medicare only and measures volume, not quality.
- What is Rajesh P. Thirumaran's NPI number?
- 1699949040. 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 Rajesh P. Thirumaran, 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 | 138 |
|---|---|
| Services billed to Medicare | 572 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)192 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)182 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)90 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)46 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)14 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%
- Ischemic heart disease51%
- Diabetes50%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
- Arthritis42%
Hospitals where Rajesh P. Thirumaran works
Medicare's Facility Affiliation Data lists Rajesh P. Thirumaran 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.
- Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390156
- Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390174
Practice locations
Addresses where Rajesh P. Thirumaran is enrolled with Medicare (CMS data updated October 2, 2026).
- 1201 Langhorne Newtown RdLanghorne, PA 19047
- 1201 Langhorne Newtown Rd, St Mary Medical CenterLanghorne, PA 19047 (215) 750‑2000
- 1500 Lansdowne AveDarby, PA 19023
- 1500 Lansdowne Ave, Suite G103Darby, PA 19023 (610) 237‑7950
Group practices
Medicare enrollment lists Rajesh P. Thirumaran as a member of this group (CMS data updated October 2, 2026).
- Trinity Health Mid-Atlantic Medical Group334 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematologyalso
Other oncologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Trinity Health Mid-Atlantic Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699949040 |
| 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