DOUGLAS KEYSER (M.D.) – Radiation Oncology Physician, NPI 1902831688
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
321 RADIATION ONCOLOGY in OH
Provider Addresses for DOUGLAS KEYSER (M.D.)
1125 ASPIRA CT
MANSFIELD, OH 449064125
Phone: (419) 756-2122
Fax: (419) 756-3530
Type: Mailing
2600 6TH ST SW
CANTON, OH 447101702
Phone: (330) 363-6201
Fax: (330) 454-9397
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $149.
Total Amount is formed as General ($149) + Research ($0) + Ownership ($0) = $149.
Last reported payment date: 2024-10-15 • Largest payer in this snapshot: ACCURAY INCORPORATED ($80).
Total Amount
$149
General + Research + Ownership
Payments
4
Total payment records
General Amount
$149
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ACCURAY INCORPORATED | $80 |
| Cardinal Health 414 LLC | $35 |
| Progenics Pharmaceuticals, Inc. | $33 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-01-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110104000642 | I | Radiation Oncology | OH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 1,210 | 92 | $0 |
| 77300 | Calculation of radiation therapy dose | 512 | 93 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 350 | 111 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 298 | 19 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 241 | 81 | $0 |
Insurance plans in this area (ZIP 44906)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | OH | 77263 | Management of radiation therapy, complex | 86 | 76 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | OH | |
| Nurse Practitioner | OH | |
| General Practice, Obstetrics/Gynecology | OH | |
| - | OH | |
| Family Practice | OH | |
| Family Practice | OH | |
| Nurse Practitioner | OH | |
| - | OH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| General Surgery | OH |
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