Douglas Clark, MD
NPI 1801982939 · Radiation Oncology Physician · Grand Island, NE
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Clark, MD is a Radiation Oncology Physician provider in Grand Island, NE (NPI 1801982939).
Provider details
- NPI number
- 1801982939
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26077 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1,621 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) |
|---|---|---|
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 451 | $19 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 299 | $41 |
| Calculation of Radiation Therapy Dose77300 | 196 | $30 |
| Design and Construction of Complex Radiation Treatment Device77334 | 191 | $56 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 161 | $175 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 51 | $35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 2 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
- 2006-10-05
- Last updated
- 2014-09-03
Frequently asked questions
- What is Douglas Clark's NPI number?
- Douglas Clark's National Provider Identifier (NPI) is 1801982939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Clark's specialty?
- Douglas Clark is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Clark located?
- Douglas Clark's practice location on file with NPPES is 2116 W Faidley Ave, Grand Island, NE 68803-4678.
- What is Douglas Clark's phone number?
- The practice phone number listed in the NPPES registry for Douglas Clark is (308) 398-5996.
- Does Douglas Clark accept Medicare?
- Douglas Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Clark's NPI active?
- Yes — Douglas Clark's NPI (1801982939) is active in the NPPES registry as of the last update on 2014-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.