Dr. Eric S. Ong, M.D.
Nephrology (Kidney) (Nephrology Physician)
Who else practices at this address →
King County includes primary care (5% of residents) and dental (4% of residents) and mental health (4% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 14
- In the NPI registry since
- 2012
- Medicare patients seen, 2024
- 314
Licensed in Washington since 2020, according to the Washington State Department of Health. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2012Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Nephrology Physician primary
WA license MD61012370 (first issued 2020; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Swedish Medical Center Seattle, WA
- Swedish Edmonds Hospital Edmonds, WA
Medical groups
- Optum Care Washington PLLC (683 clinicians)
- The Polyclinic PLLC (365 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 314
- Services billed
- 31,253
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 15,620 | 20 |
| Insertion of needle into vein for collection of blood sample | 634 | 196 |
| Established patient office or other outpatient visit, 30-39 minutes | 624 | 219 |
| Creatinine level to test for kidney function or muscle injury | 397 | 167 |
| Kidney function blood test panel | 370 | 142 |
| Parathormone (parathyroid hormone) level | 361 | 158 |
| Urine microalbumin (protein) level | 337 | 149 |
| Blood test, basic group of blood chemicals (calcium, total) | 223 | 114 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test | 215 | 99 |
| Manual urinalysis test with examination using microscope, automated | 202 | 107 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.