Quick answers
- Does Arnold R. Ombati accept Medicare assignment?
- Yes. Medicare's clinician data says Arnold R. Ombati 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 Arnold R. Ombati see?
- In 2024, CMS data shows 254 Original Medicare patients and 461 services for Arnold R. Ombati. This counts Original Medicare only and measures volume, not quality.
- What is Arnold R. Ombati's NPI number?
- 1619343936. 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 Arnold R. Ombati, 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 | 254 |
|---|---|
| Services billed to Medicare | 461 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)94 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 services
- Automated urinalysis test (81003)44 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)40 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)18 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 pressure70%
- High cholesterol69%
- Arthritis54%
- Anxiety24%
- Ischemic heart disease23%
- Osteoporosis22%
Hospitals where Arnold R. Ombati works
Medicare's Facility Affiliation Data lists Arnold R. Ombati 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.
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027
Practice locations
Addresses where Arnold R. Ombati is enrolled with Medicare (CMS data updated October 2, 2026).
- 14720 Main St NE, Suite 109Duvall, WA 98019 (425) 788‑4889
- 16916 140th Ave NEWoodinville, WA 98072
- 2409 N 45th StSeattle, WA 98103
- 8980 161st Ave NERedmond, WA 98052
Group practices
Medicare enrollment lists Arnold R. Ombati as a member of these groups (CMS data updated October 2, 2026).
- King County Public Hospital District No 2608 clinicians in the group
- Proliance Surgeons Inc P S397 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Duvall
Clinicians with the same Medicare primary specialty in Duvall, WA — not a recommendation.
Other clinicians in King County Public Hospital District No 2
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619343936 |
| 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