Quick answers
- Does Stephanie S. Defreitas accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie S. Defreitas 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 Stephanie S. Defreitas see?
- In 2024, CMS data shows 67 Original Medicare patients and 15,218 services for Stephanie S. Defreitas. This counts Original Medicare only and measures volume, not quality.
- What is Stephanie S. Defreitas's NPI number?
- 1508272097. 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 Stephanie S. Defreitas, 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 | 67 |
|---|---|
| Services billed to Medicare | 15,218 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)44 services
- Injection of drug or substance under skin or into muscle (96372)38 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 cholesterol63%
- Arthritis54%
- High blood pressure52%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)33%
- Diabetes28%
- Chronic kidney disease28%
Practice locations
Addresses where Stephanie S. Defreitas is enrolled with Medicare (CMS data updated October 2, 2026).
- 1101 Madison St, Suite 301Seattle, WA 98104 (206) 505‑1300
- 1909 214th St SE, Suite 300Bothell, WA 98021 (425) 412‑7200
- 220 15th Ave SEPuyallup, WA 98372 (253) 435‑3400
Group practices
Medicare enrollment lists Stephanie S. Defreitas as a member of this group (CMS data updated October 2, 2026).
- Pacmed Clinics209 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Pacmed Clinics
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of Florida College Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508272097 |
| 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