Quick answers
- Does Sharel C. Ongchin accept Medicare assignment?
- Yes. Medicare's clinician data says Sharel C. Ongchin 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 Sharel C. Ongchin see?
- In 2024, CMS data shows 595 Original Medicare patients and 18,351 services for Sharel C. Ongchin. This counts Original Medicare only and measures volume, not quality.
- What is Sharel C. Ongchin's NPI number?
- 1538324694. 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 Sharel C. Ongchin, 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 | 595 |
|---|---|
| Services billed to Medicare | 18,351 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)12,840 services
- Imaging of retina (92134)1,401 services
- Injection of drug into eye (67028)605 services
- Extended exam of the back part of the eye with optic nerve drawing (92202)599 services
- Injection, aflibercept, 1 mg (J0178)594 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 cholesterol72%
- High blood pressure69%
- Arthritis37%
- Diabetes28%
- Chronic kidney disease28%
- Ischemic heart disease22%
Practice locations
Addresses where Sharel C. Ongchin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1370 116th Ave NE, Suite 110Bellevue, WA 98004 (425) 454‑2101
- 1530 N 115th St, Suite 105Seattle, WA 98133 (206) 363‑7035
- 3226 Nassau StEverett, WA 98201 (425) 740‑2470
Group practices
Medicare enrollment lists Sharel C. Ongchin as a member of this group (CMS data updated October 2, 2026).
- Retina Consultants of Seattle PC4 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.
Other clinicians in Retina Consultants of Seattle PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538324694 |
| 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