Douglas Keyser, M.D.
NPI 1902831688ActiveIndividual· Radiology, Radiation Oncology· Canton, OH
Radiology, Radiation Oncology (M.D.) in Canton, Ohio, trained at Northeastern Ohio University College of Medicine (class of 1990). 259 Medicare patients in 2024, $259,848 paid; nearly all of their 145 Part D prescriptions were generic (99%). Accuray Incorporated was the largest of 2 companies reporting payments in 2024, $113.68 in all, mostly food and beverage.
Overview
| NPI | 1902831688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Oct 21, 2026 |
| Certified by provider | Oct 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 35 063249 | OH |
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 - Radiation Oncology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 259 |
|---|---|
| Services billed | 3,518 across 23 procedure codes |
| Paid by Medicare | $259,848 |
Part D prescriptions in 2024
| Prescriptions (claims) | 145 · 152 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $1,589 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Radiation Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Marietta Memorial HospitalMarietta, OH · 392 clinicians
Hospital affiliations
- Camden Clark Medical CenterParkersburg, WV
- Marietta Memorial HospitalMarietta, OH
- Selby General HospitalMarietta, OH
- Sistersville General HospitalSistersville, WV
Industry payments (Open Payments)
- 2024$113.68 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Accuray Incorporated | $80.19 | 1 |
| Progenics Pharmaceuticals, Inc. | $33.49 | 2 |
What the 2024 payments were for
- Food and Beverage$113.68 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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