Quick answers
- Does Yau H. Chung accept Medicare assignment?
- Yes. Medicare's clinician data says Yau H. Chung 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 Yau H. Chung see?
- In 2024, CMS data shows 1,163 Original Medicare patients and 40,098 services for Yau H. Chung. This counts Original Medicare only and measures volume, not quality.
- What is Yau H. Chung's NPI number?
- 1740388453. 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 Yau H. Chung, 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 | 1,163 |
|---|---|
| Services billed to Medicare | 40,098 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)23,166 services
- Test for allergy using allergenic extract (95004)9,088 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)2,140 services
- Imaging of retina (92134)1,791 services
- Photography of the retina (92250)968 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 pressure75%
- High cholesterol75%
- Diabetes48%
- Arthritis41%
- Chronic kidney disease25%
- Osteoporosis22%
Practice locations
Addresses where Yau H. Chung is enrolled with Medicare (CMS data updated October 2, 2026).
- 14201 Laurel Park Dr, Suite 104Laurel, MD 20707 (301) 880‑7255
- 16220 Frederick Rd, Suite 121Gaithersburg, MD 20877 (301) 990‑7070
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Laurel
Clinicians with the same Medicare primary specialty in Laurel, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740388453 |
| 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