Quick answers
- Where does Hannah J. Ong see patients?
- Medicare's clinician data lists 1 practice location in Brooklyn Park, MD. Call before your visit to confirm the address.
- What is Hannah J. Ong's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Hannah J. Ong accept Medicare assignment?
- Medicare's clinician data says Hannah J. Ong may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Hannah J. Ong offer telehealth?
- Medicare's clinician data says Hannah J. Ong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Hannah J. Ong?
- (410) 636-5600, as listed in official Medicare / NPI Registry data.
- What is Hannah J. Ong's NPI number?
- 1922201417. 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 Hannah J. Ong is enrolled with Medicare (CMS data updated 2026-10-02).
- 5710 Ritchie HwyBrooklyn Park, MD 21225 (410) 636‑5600
Group practices
Medicare enrollment lists Hannah J. Ong as a member of this group (CMS data updated 2026-10-02).
- Project Chesapeake, LLC16 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1922201417 |
| 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