Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Si Si Han, PHD, ABPP

Individual provider Clinical Psychologist · NPI 1104305218

Si Si Han, PHD, ABPP is a Clinical Psychologist in Ellicott City, Maryland. Qualified in 2018, 8 years ago. Accepts Medicare assignment. Licensed in Maryland and Virginia.

Years since qualifying
8
Licensed in
MD, VA
In the registry since
2018
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3300 N Ridge Rd Ste 230
Ellicott City, MD 21043-3387
Phone: (410) 988-2192
Fax: (410) 988-2927
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 06921 (MD)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0810006276 (VA)

Record details

NPI number1104305218
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , ABPP
Sole proprietorNo
NPI enumeratedAugust 9, 2018
Last updated in NPPESDecember 31, 2025
Certification dateDecember 31, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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