Douglas Keyser, M.D.
NPI 1902831688 · Radiation Oncology Physician · Canton, OH
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Keyser, M.D. is a Radiation Oncology Physician provider in Canton, OH (NPI 1902831688).
Provider details
- NPI number
- 1902831688
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35 063249 (OH)
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
19 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
3,465 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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 1,203 | $45 |
| Calculation of Radiation Therapy Dose77300 | 712 | $32 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 366 | $192 |
| Design and Construction of Complex Radiation Treatment Device77334 | 283 | $59 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 119 | $45 |
| Complex Radiation Therapy Planning77263 | 116 | $168 |
| Design and Construction of Radiation Treatment Device for High Precision Radiation Therapy |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$114 across 3 records (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
- 2006-07-11
- Last updated
- 2023-11-06
- Certified
- 2023-11-06
Frequently asked questions
- What is Douglas Keyser's NPI number?
- Douglas Keyser's National Provider Identifier (NPI) is 1902831688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Keyser's specialty?
- Douglas Keyser is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Keyser located?
- Douglas Keyser's practice location on file with NPPES is 2600 6th St Sw, Canton, OH 44710-1702.
- What is Douglas Keyser's phone number?
- The practice phone number listed in the NPPES registry for Douglas Keyser is (330) 363-6201.
- Does Douglas Keyser accept Medicare?
- Douglas Keyser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Keyser's NPI active?
- Yes — Douglas Keyser's NPI (1902831688) is active in the NPPES registry as of the last update on 2023-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.