Quick answers
- Does David R. Haseley accept Medicare assignment?
- Yes. Medicare's clinician data says David R. Haseley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does David R. Haseley see?
- In 2024, CMS data shows 44 Original Medicare patients and 1,936 services for David R. Haseley. This counts Original Medicare only and measures volume, not quality.
- What is David R. Haseley's NPI number?
- 1043399942. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for David R. Haseley, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 44 |
|---|---|
| Services billed to Medicare | 1,936 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,675 services
- Nuclear medicine study from skull base to mid-thigh with ct scan (78815)16 services
- Ct scan of chest with contrast (71260)14 services
- Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (A9552)13 services
- Blood creatinine level (82565)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol70%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)50%
- Arthritis41%
- Ischemic heart disease30%
- Diabetes27%
Practice locations
Addresses where David R. Haseley is enrolled with Medicare (CMS data updated October 2, 2026).
- 1221 Madison St, Suite 150Seattle, WA 98104 (206) 215‑6487
Group practices
Medicare enrollment lists David R. Haseley as a member of this group (CMS data updated October 2, 2026).
- Pet-Ct Imaging at Swedish Cancer Institute LLC13 clinicians in the group
Specialties
- Nuclear Medicineprimary
- Diagnostic Radiologyalso
Other nuclear medicine doctors in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Pet-Ct Imaging at Swedish Cancer Institute LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043399942 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians