Quick answers
- Does Deyan Z. Milligan accept Medicare assignment?
- Yes. Medicare's clinician data says Deyan Z. Milligan 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 Deyan Z. Milligan see?
- In 2024, CMS data shows 93 Original Medicare patients and 125 services for Deyan Z. Milligan. This counts Original Medicare only and measures volume, not quality.
- What is Deyan Z. Milligan's NPI number?
- 1871677450. 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 Deyan Z. Milligan, 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 | 93 |
|---|---|
| Services billed to Medicare | 125 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for other procedure on top of arm bone and shoulder joint (01630)16 services
- Anesthesia for open or endoscopic total shoulder joint replacement (01638)15 services
- Anesthesia for procedure for total knee joint replacement (01402)12 services
- Anesthesia for total hip replacement (01214)11 services
- Anesthesia for other procedure or exam of knee joint using an endoscope (01400)11 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).
- Arthritis75%
- High cholesterol66%
- High blood pressure52%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)15%
- Ischemic heart disease14%
Practice locations
Addresses where Deyan Z. Milligan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1229 Madison St, Suite 1440Seattle, WA 98104 (206) 625‑0578
Group practices
Medicare enrollment lists Deyan Z. Milligan as a member of this group (CMS data updated October 2, 2026).
- Physicians Anesthesia Service PLLC172 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Physicians Anesthesia Service PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871677450 |
| 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