Quick answers
- Where does Dou Zhang see patients?
- Medicare's clinician data lists 7 practice locations, including Largo, MD, Halethorpe, MD and Falls Church, VA. Call before your visit to confirm the address.
- What is Dou Zhang's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Dou Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Dou Zhang 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 Dou Zhang?
- (301) 618-5700, as listed in official Medicare / NPI Registry data.
- What is Dou Zhang's NPI number?
- 1700930583. 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 Dou Zhang is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
- 1701 Twin Springs RdHalethorpe, MD 21227 (410) 737‑5000
- 201 N Washington StFalls Church, VA 22046 (703) 237‑4000
- 6701 N Charles StBaltimore, MD 21204 (443) 849‑2000
- 7070 Samuel Morse DrColumbia, MD 21046 (410) 309‑4600
Group practices
Medicare enrollment lists Dou Zhang 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
Find other Cardiovascular Disease (Cardiology) doctors in Maryland →
Other cardiologists in Largo
Clinicians with the same Medicare primary specialty in Largo, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700930583 |
| 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