Richard Y. Chang, MD
NPI 1285620468ActiveIndividual· Internal Medicine, Hematology & Oncology· Westlake, OH
Internal Medicine, Hematology & Oncology (MD) in Westlake, Ohio, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $10,403,481 for 1,961 claims, against $81,369 paid for services in 2024. Tempus Ai, Inc was the largest of 4 companies reporting payments in 2025, $168.92 in all, mostly food and beverage.
Overview
| NPI | 1285620468 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 23, 2005 |
| Last updated in NPPES | Dec 22, 2020 |
| Certified by provider | Dec 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 35-098177 | OH |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 223917 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 478 |
|---|---|
| Services billed | 1,293 across 13 procedure codes |
| Paid by Medicare | $81,369 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,961 · 2,429 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $10,403,481 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- University Primary Care Practices IncConneaut, OH · 1,079 clinicians
Hospital affiliations
- Parma Community General HospitalParma, OH
- Uh Cleveland Medical CenterCleveland, OH
- Uh St John Medical CenterWestlake, OH
- University Hospitals - Elyria Medical CenterElyria, OH
Industry payments (Open Payments)
- 2025$168.92 · 4 payments from 4 companies
- 2024$1,609 · 21 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tempus Ai, Inc | $95.60 | 1 |
| Genentech USA, Inc. | $29.08 | 1 |
| Daiichi Sankyo Inc. | $24.08 | 1 |
| Pfizer Inc. | $20.16 | 1 |
What the 2025 payments were for
- Food and Beverage$168.92 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Westlake
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