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SI SI HAN PHD, ABPP
NPI 1104305218
Psychologist - Clinical in Ellicott City, MD

Active since August 09, 2018PECOS EnrolledAccepts Medicare Assignment
3300 N RIDGE RD STE 230, ELLICOTT CITY, MD 21043(410) 988-2192(410) 988-2927 Get Directions Write a Review

NPPES record last updated: December 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 31, 2025, Sep 1, 2023, Apr 13, 2021 and 2 more (5 updates tracked since 2018).

About Si Si Han Phd, Abpp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SI SI HAN PHD, ABPP (NPI 1104305218) is an individual clinical provider in Ellicott City, Maryland, licensed in Maryland (06921) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1104305218
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameSI SI HANCredential: PHD, ABPP
Location Address3300 N RIDGE RD STE 230Ellicott City, MD 21043-3387
Mailing Address3300 N Ridge Rd Ste 230Ellicott City, MD 21043-3387 · (410) 988-2192 · Fax (410) 988-2927
Phone(410) 988-2192
Fax(410) 988-2927
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 9, 2018
Last NPPES UpdateDecember 31, 20255 updates tracked since enumeration
NPPES CertifiedDecember 31, 2025
✔ NPI 1104305218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in MD · 06921✔ Licensed in VA · 0810006276
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
3300 N RIDGE RD STE 230, Ellicott City, MD 21043
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Si Si Han Phd, Abpp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799102869
PECOS Enrollment IDI20230630000062
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
203 services28 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
200 services36 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
139 services30 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
30 services30 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
30 services30 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21043 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRAIN & BEHAVIOR CARE LLC
Clinical Neuropsychologist
3300 N RIDGE RD STE 230
ELLICOTT CITY, MD 21043
Howard County (410) 988-2192
EMILY SCOTT LCSW-C
Social Worker (Clinical)
3300 N RIDGE RD STE 230
ELLICOTT CITY, MD 21043
Howard County (410) 750-3330

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Si Si Han's NPI number?

The NPI number for Si Si Han is 1104305218. It was assigned to this individual provider in the NPPES registry on August 9, 2018.

Where is Si Si Han located?

Si Si Han practices at 3300 N Ridge Rd Ste 230, Ellicott City, MD 21043. The listed phone number is (410) 988-2192.

What is Si Si Han's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Si Si Han enrolled in Medicare?

Yes. Si Si Han is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Si Si Han accept?

Health plans from CareSource list Si Si Han as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Si Si Han was last updated on December 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.