Quick answers
- Where does Si Si Han see patients?
- Medicare's clinician data lists 1 practice location in Ellicott City, MD. Call before your visit to confirm the address.
- What is Si Si Han's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Si Si Han accept Medicare assignment?
- Yes. Medicare's clinician data says Si Si Han 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 Si Si Han?
- (410) 988-2192, as listed in official Medicare / NPI Registry data.
- What is Si Si Han's NPI number?
- 1104305218. 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 Si Si Han is enrolled with Medicare (CMS data updated 2026-10-02).
- 3300 N Ridge Rd, Suite 230Ellicott City, MD 21043 (410) 988‑2192
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Ellicott City
Clinicians with the same Medicare primary specialty in Ellicott City, MD — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104305218 |
| 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