Quick answers
- Does Julia I. Sirianni accept Medicare assignment?
- Yes. Medicare's clinician data says Julia I. Sirianni 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 Julia I. Sirianni see?
- In 2024, CMS data shows 45 Original Medicare patients and 70 services for Julia I. Sirianni. This counts Original Medicare only and measures volume, not quality.
- What is Julia I. Sirianni's NPI number?
- 1023344124. 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 Julia I. Sirianni, 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 | 45 |
|---|---|
| Services billed to Medicare | 70 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)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 pressure56%
- High cholesterol47%
- Arthritis27%
- Diabetes24%
Practice locations
Addresses where Julia I. Sirianni is enrolled with Medicare (CMS data updated October 2, 2026).
- 1401 SE 164th Ave, Suite 100Vancouver, WA 98683 (360) 546‑2046
- 15259 SE 82nd Dr, Suite 101Clackamas, OR 97015 (503) 657‑0321
- 2020 116th Ave NE, Suite 200Bellevue, WA 98004 (425) 453‑2020
- 950 11th AveLongview, WA 98632 (360) 577‑1500
Group practices
Medicare enrollment lists Julia I. Sirianni as a member of these groups (CMS data updated October 2, 2026).
- Aeg Washington Professional PC62 clinicians in the group
- Northwest Eye Care LLC6 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Vancouver
Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.
Other clinicians in Aeg Washington Professional PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Pacific University - College Of Optometry |
| 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) | 1023344124 |
| 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