Quick answers
- Does Darren J. Little accept Medicare assignment?
- Yes. Medicare's clinician data says Darren J. Little 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 Darren J. Little see?
- In 2024, CMS data shows 196 Original Medicare patients and 1,681 services for Darren J. Little. This counts Original Medicare only and measures volume, not quality.
- What is Darren J. Little's NPI number?
- 1639137342. 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 Darren J. Little, 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 | 196 |
|---|---|
| Services billed to Medicare | 1,681 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)545 services
- Radiation treatment management, 5 treatment sessions (77427)175 services
- Design and construction of complex radiation treatment device (77334)157 services
- Calculation of radiation therapy dose (77300)154 services
- Telephone medical discussion with physician, 11-20 minutes (99442)64 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure73%
- High cholesterol71%
- Arthritis33%
- Ischemic heart disease30%
- Chronic kidney disease28%
Hospitals where Darren J. Little works
Medicare's Facility Affiliation Data lists Darren J. Little at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500003
- Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501339
Practice locations
Addresses where Darren J. Little is enrolled with Medicare (CMS data updated October 2, 2026).
- 1717 13th St, Suite 200Everett, WA 98201 (425) 297‑5590
Group practices
Medicare enrollment lists Darren J. Little as a member of this group (CMS data updated October 2, 2026).
- Northwest Washington Radiation Oncology5 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Everett
Clinicians with the same Medicare primary specialty in Everett, WA — not a recommendation.
Other clinicians in Northwest Washington Radiation Oncology
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639137342 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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