Quick answers
- Does Patricia M. Oh accept Medicare assignment?
- Yes. Medicare's clinician data says Patricia M. Oh 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 Patricia M. Oh see?
- In 2024, CMS data shows 300 Original Medicare patients and 725 services for Patricia M. Oh. This counts Original Medicare only and measures volume, not quality.
- What is Patricia M. Oh's NPI number?
- 1144534470. 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 Patricia M. Oh, 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 | 300 |
|---|---|
| Services billed to Medicare | 725 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)213 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)153 services
- Imaging of optic nerve (92133)133 services
- Exam of visual field with extended testing (92083)57 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)48 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 cholesterol73%
- High blood pressure67%
- Arthritis43%
- Diabetes32%
- Chronic kidney disease24%
- Depression18%
Practice locations
Addresses where Patricia M. Oh is enrolled with Medicare (CMS data updated October 2, 2026).
- 903 Medical Ctr Dr, Suite 100Arlington, WA 98223 (360) 435‑8595
Group practices
Medicare enrollment lists Patricia M. Oh as a member of this group (CMS data updated October 2, 2026).
- Sight Partners Physicians PC59 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Arlington
Clinicians with the same Medicare primary specialty in Arlington, WA — not a recommendation.
Other clinicians in Sight Partners Physicians PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Of California - School Of Optometry |
| Graduation year | 2010 (16 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144534470 |
| 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