Internal Medicine, Hematology & Oncology · Riverhead, NY
NPI
1720248081
Since 2008
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
750 Old Country Road Building 2
Riverhead, NY, 11901
Phone (631) 751-3000
Groups this clinician bills Medicare through
Medicare paid, 2024
$3.5M
280,638 services
Medicare patients, 2024
2,846
Average age 74
Drug cost, 2024
$9.6M
2,162 prescriptions
Company payments, 2025
$127
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Roy H Chen was code J1439 (injection, ferric carboxymaltose, 1 mg), 102,000 times for 111 patients. In total Roy H Chen billed 280,638 services in 297 codes, and Medicare paid $3.5M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-02-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J1439 Injection, ferric carboxymaltose, 1 mg | Office | 102,000 | 111 | $0.86 | $88K |
| J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Office | 20,002 | 32 | $2.27 | $45K |
| J9271 Injection, pembrolizumab, 1 mg | Office | 12,200 | 35 | $44.63 | $545K |
| J1756 Injection, iron sucrose, 1 mg | Office | 11,800 | 41 | $0.17 | $1,990 |
| J0897 Injection, denosumab, 1 mg | Office | 8,040 | 78 | $20.23 | $163K |
| J9267 Injection, paclitaxel, 1 mg | Office | 5,278 | 12 | $0.08 | $426 |
| 88185 Surgical Pathology Examination | Office | 4,419 | 184 | $22.03 | $97K |
| 36415 Venipuncture Blood Collection | Office | 4,222 | 1,993 | $8.64 | $36K |
| 85025 Blood Count | Office | 4,178 | 1,961 | $7.60 | $32K |
| 80053 Clinical Chemistry | Office | 3,579 | 1,788 | $10.31 | $37K |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 3,067 | 149 | $0.09 | $270 |
| 84100 Clinical Chemistry | Office | 2,976 | 1,474 | $4.63 | $14K |
| 84550 Clinical Chemistry | Office | 2,874 | 1,405 | $4.41 | $13K |
| 83735 Clinical Chemistry | Office | 2,870 | 1,393 | $6.55 | $19K |
| 83615 Clinical Chemistry | Office | 2,866 | 1,409 | $5.90 | $17K |
By year: 2022 $6.5M for 570,635 services; 2023 $5.0M for 408,179 services; 2024 $3.5M for 280,638 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 88185 Surgical Pathology Examination | 4,419 | 184 | $22.03 | $97K |
| 36415 Venipuncture Blood Collection | 4,222 | 1,993 | $8.64 | $36K |
| 85025 Blood Count | 4,178 | 1,961 | $7.60 | $32K |
| 80053 Clinical Chemistry | 3,579 | 1,788 | $10.31 | $37K |
| 84100 Clinical Chemistry | 2,976 | 1,474 | $4.63 | $14K |
| 84550 Clinical Chemistry | 2,874 | 1,405 | $4.41 | $13K |
| 83735 Clinical Chemistry | 2,870 | 1,393 | $6.55 | $19K |
| 83615 Clinical Chemistry | 2,866 | 1,409 | $5.90 | $17K |
| 82728 Clinical Chemistry | 2,012 | 1,161 | $13.30 | $27K |
| 83540 Clinical Chemistry | 1,936 | 1,125 | $6.31 | $12K |
Medicare prescription drug claims, 2024
In 2024, the drug Roy H Chen prescribed most often to Medicare patients was Aranesp (Darbepoetin Alfa In Polysorbat), with 217 prescriptions and refills. In total Roy H Chen wrote 2,162 Medicare prescriptions that cost $9.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Aranesp Darbepoetin Alfa In Polysorbat | 217 | 219 | 48 | $736K |
| Eliquis Apixaban | 118 | 228 | 32 | $132K |
| Xgeva Denosumab | 99 | 103 | 20 | $307K |
| Akynzeo Fosnetupitant/Palonosetron | 70 | 70 | 22 | $90K |
| Lupron Depot Leuprolide Acetate | 70 | 205 | 22 | $397K |
| Xarelto Rivaroxaban | 64 | 118 | 18 | $68K |
| Octagam Immun Globg(Igg)/Malt/Iga Ov50 | 53 | 55 | Under 11 | $401K |
| Prednisone Generic | 49 | 55 | 15 | $184 |
| Anastrozole Generic | 49 | 111 | 17 | $751 |
| Ibrance Palbociclib | 46 | 46 | Under 11 | $698K |
| Xtandi Enzalutamide | 46 | 46 | Under 11 | $612K |
| Ondansetron Odt Ondansetron | 45 | 53 | 32 | $993 |
| Calquence Acalabrutinib Maleate | 41 | 41 | Under 11 | $598K |
| Hydroxyurea Generic | 33 | 55 | Under 11 | $822 |
| Acyclovir Generic | 30 | 50 | Under 11 | $431 |
Brand drugs: 1,343 claims; generic drugs: - claims; opioid claims: 55.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Roy H Chen $127 ($127 in general payments such as food, travel and fees) from 1 company. The largest payer was Galvanize Therapeutics, Inc with $127.
| Company | Payments | Amount |
|---|---|---|
| Galvanize Therapeutics, Inc | 1 | $127 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.