Quick answers
- Where does Lan Chang see patients?
- Medicare's clinician data lists 3 practice locations, including Kensington, MD, Largo, MD and Woodbridge, VA. Call before your visit to confirm the address.
- What is Lan Chang's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Lan Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Lan Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Lan Chang?
- (301) 929-7100, as listed in official Medicare / NPI Registry data.
- What is Lan Chang's NPI number?
- 1871792002. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Lan Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 10810 Connecticut AveKensington, MD 20895 (301) 929‑7100
- 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
- 13285 Minnieville RdWoodbridge, VA 22192 (703) 986‑2400
Group practices
Medicare enrollment lists Lan Chang as a member of this group (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Kensington
Clinicians with the same Medicare primary specialty in Kensington, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871792002 |
| 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 2026-10-02, retrieved 2026-10-29
- 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