Quick answers
- Does Silvio J. Gurdian accept Medicare assignment?
- Yes. Medicare's clinician data says Silvio J. Gurdian 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 Silvio J. Gurdian see?
- In 2024, CMS data shows 289 Original Medicare patients and 1,602 services for Silvio J. Gurdian. This counts Original Medicare only and measures volume, not quality.
- What is Silvio J. Gurdian's NPI number?
- 1164497558. 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 Silvio J. Gurdian, 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 | 289 |
|---|---|
| Services billed to Medicare | 1,602 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient problem focused exam of visual system (92012)268 services
- Near infrared dual imaging of tear glands with interpretation and report (0507T)243 services
- Established patient complete exam of visual system (92014)206 services
- Microfluid analysis of tears (83861)187 services
- Imaging of retina (92134)178 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 pressure67%
- High cholesterol60%
- Arthritis40%
- Diabetes37%
- Chronic kidney disease22%
- Depression18%
Hospitals where Silvio J. Gurdian works
Medicare's Facility Affiliation Data lists Silvio J. Gurdian 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 Seaside HospitalSeaside, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381303
Practice locations
Addresses where Silvio J. Gurdian is enrolled with Medicare (CMS data updated October 2, 2026).
- 17720 SE Mill Plain Blvd, Suite 100Vancouver, WA 98683 (360) 823‑2020
- 25699 SW Argyle Ave, Suite AWilsonville, OR 97070 (503) 833‑2662
- 307 E Hancock StNewberg, OR 97132 (503) 538‑2010
- 3200 Main StVancouver, WA 98663
Group practices
Medicare enrollment lists Silvio J. Gurdian as a member of these groups (CMS data updated October 2, 2026).
- Vancouver Eye Care PS12 clinicians in the group
- Rha Ventures LLC3 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Vancouver
Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.
Other clinicians in Vancouver Eye Care PS
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164497558 |
| 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