Rajesh Thirumaran, M.D.
NPI 1699949040 · Hematology & Oncology Physician · Darby, PA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajesh Thirumaran, M.D. is a Hematology & Oncology Physician provider in Darby, PA (NPI 1699949040).
Provider details
- NPI number
- 1699949040
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD423189 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
524 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 192 | $118 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 182 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 90 | $185 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 46 | $174 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 14 | $226 |
Typical Medicare-allowed amounts for these services range $118–$226 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 90 | 17 |
| Anastrozole | 31 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 21 | — |
| Ruxolitinib Phosphatebrand: Jakafi | 18 | — |
| Ondansetron Hcl | 18 | — |
| Warfarin Sodium | 18 | — |
| Imatinib Mesylate | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,323 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-16
- Last updated
- 2023-06-26
- Certified
- 2023-06-26
Frequently asked questions
- What is Rajesh Thirumaran's NPI number?
- Rajesh Thirumaran's National Provider Identifier (NPI) is 1699949040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajesh Thirumaran's specialty?
- Rajesh Thirumaran is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Rajesh Thirumaran located?
- Rajesh Thirumaran's practice location on file with NPPES is 1500 Lansdowne Ave Ste G-103, Darby, PA 19023-1200.
- What is Rajesh Thirumaran's phone number?
- The practice phone number listed in the NPPES registry for Rajesh Thirumaran is (610) 237-7950.
- Does Rajesh Thirumaran accept Medicare?
- Rajesh Thirumaran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajesh Thirumaran's NPI active?
- Yes — Rajesh Thirumaran's NPI (1699949040) is active in the NPPES registry as of the last update on 2023-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.