Roy Chen, MD
NPI 1720248081 · Hematology & Oncology Physician · Riverhead, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Chen, MD is a Hematology & Oncology Physician provider in Riverhead, NY (NPI 1720248081).
Provider details
- NPI number
- 1720248081
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 262509 (NY)
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
51,993 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) |
|---|---|---|
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 4,419 | $28 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 4,222 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 4,178 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 3,579 | $10 |
| Phosphate Level84100 | 2,976 | $5 |
| Uric Acid Level, Blood84550 | 2,874 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Darbepoetin Alfa in Polysorbatbrand: Aranesp | 217 | 48 |
| Apixabanbrand: Eliquis | 118 | 32 |
| Denosumabbrand: Xgeva | 99 | 20 |
| Leuprolide Acetatebrand: Lupron Depot | 70 | 22 |
| Fosnetupitant/Palonosetronbrand: Akynzeo | 70 | 22 |
| Rivaroxabanbrand: Xarelto | 64 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 1 record (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
- 2008-06-11
- Last updated
- 2020-02-03
- Certified
- 2020-02-03
Frequently asked questions
- What is Roy Chen's NPI number?
- Roy Chen's National Provider Identifier (NPI) is 1720248081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Chen's specialty?
- Roy Chen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Chen located?
- Roy Chen's practice location on file with NPPES is 750 Old Country Road Building 2, Riverhead, NY 11901.
- What is Roy Chen's phone number?
- The practice phone number listed in the NPPES registry for Roy Chen is (631) 751-3000.
- Does Roy Chen accept Medicare?
- Roy Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Chen's NPI active?
- Yes — Roy Chen's NPI (1720248081) is active in the NPPES registry as of the last update on 2020-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.