Priya Rajakumar, M.D.
NPI 1821478520 · Hematology & Oncology Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Priya Rajakumar, M.D. is a Hematology & Oncology Physician provider in Park Ridge, IL (NPI 1821478520).
Provider details
- NPI number
- 1821478520
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036146310 (IL)
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
11 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
1,109 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 425 | $95 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 226 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $67 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 83 | $5 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 71 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 147 | 39 |
| Acyclovir | 86 | 23 |
| Lenalidomidebrand: Revlimid | 70 | 12 |
| Dexamethasone | 46 | 18 |
| Rivaroxabanbrand: Xarelto | 42 | — |
| Allopurinol | 38 | 18 |
| Levofloxacin | 38 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,893 across 3 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
- 2015-06-08
- Last updated
- 2021-12-17
- Certified
- 2021-12-17
Frequently asked questions
- What is Priya Rajakumar's NPI number?
- Priya Rajakumar's National Provider Identifier (NPI) is 1821478520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Priya Rajakumar's specialty?
- Priya Rajakumar is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Priya Rajakumar located?
- Priya Rajakumar's practice location on file with NPPES is 1700 Luther Ln Ste 2200, Park Ridge, IL 60068-1270.
- What is Priya Rajakumar's phone number?
- The practice phone number listed in the NPPES registry for Priya Rajakumar is (847) 268-8200.
- Does Priya Rajakumar accept Medicare?
- Priya Rajakumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Priya Rajakumar's NPI active?
- Yes — Priya Rajakumar's NPI (1821478520) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.