Quick answers
- Does Anna A. Shagas accept Medicare assignment?
- Yes. Medicare's clinician data says Anna A. Shagas 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 Anna A. Shagas see?
- In 2024, CMS data shows 112 Original Medicare patients and 138 services for Anna A. Shagas. This counts Original Medicare only and measures volume, not quality.
- What is Anna A. Shagas's NPI number?
- 1780971440. 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 Anna A. Shagas, 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 | 112 |
|---|---|
| Services billed to Medicare | 138 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 85 |
Most frequent services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)90 services
- Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)26 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)16 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 cholesterol73%
- High blood pressure63%
- Arthritis55%
- Ischemic heart disease37%
- Atrial fibrillation32%
- Depression31%
Practice locations
Addresses where Anna A. Shagas is enrolled with Medicare (CMS data updated October 2, 2026).
- 2501 S Plum StSeattle, WA 98144 (206) 436‑2228
Group practices
Medicare enrollment lists Anna A. Shagas as a member of this group (CMS data updated October 2, 2026).
- Lighthouse for the Blind, Inc3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Lighthouse for the Blind, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2011 (15 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780971440 |
| 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