Quick answers
- Does Heo-Jeng Ooi accept Medicare assignment?
- Yes. Medicare's clinician data says Heo-Jeng Ooi 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 Heo-Jeng Ooi see?
- In 2024, CMS data shows 139 Original Medicare patients and 1,389 services for Heo-Jeng Ooi. This counts Original Medicare only and measures volume, not quality.
- What is Heo-Jeng Ooi's NPI number?
- 1629269360. 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 Heo-Jeng Ooi, 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 | 139 |
|---|---|
| Services billed to Medicare | 1,389 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Imaging of retina (92134)227 services
- Established patient complete exam of visual system (92014)181 services
- Exam of visual field with extended testing (92083)144 services
- Established patient problem focused exam of visual system (92012)100 services
- Ultrasound scan of cornea to determine thickness (76514)83 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 pressure63%
- Arthritis49%
- Osteoporosis23%
- Diabetes22%
- Anxiety20%
Practice locations
Addresses where Heo-Jeng Ooi is enrolled with Medicare (CMS data updated October 2, 2026).
- 4627 5th AvePittsburgh, PA 15213 (412) 683‑4400
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Pittsburgh
Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629269360 |
| 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