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Individual Healthcare Provider

Han Xu, M.D. / PH.D. / FAPCR

NPI Record: ActivePharmacist — Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
NPI1831468511
Rockville, Maryland

Provider's NPPES record last updated: March 26, 2025

Overview

Entity Type
Individual Healthcare Provider
NPI
1831468511
Primary Specialty
Pharmacist — Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
Practice Location
Rockville, Maryland
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 18, 2026, 12:17 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Pharmacist

    Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

    Pharmacy Service Providers

    Primary

    Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

    Taxonomy code 1835P0018X
  • Case Manager/Care Coordinator

    Other Service Providers

    A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.

    Taxonomy code 171M00000X
  • Specialist

    Research Study

    Other Service Providers

    Definition to come...

    Taxonomy code 1744R1102X
  • Specialist

    Research Data Abstracter/Coder

    Other Service Providers

    Definition to come...

    Taxonomy code 1744R1103X
  • Clinical Ethicist

    Other Service Providers

    A clinical ethicist has been trained in bioethics and ethics case consultation. The clinical ethicist addresses medical-ethical dilemmas arising in clinical practice, such as end-of-life care, refusal of treatment, and futility of care; assists patients and health care providers with medical decision-making; and provides ethics education for patients and families.

    Taxonomy code 174V00000X
  • Pharmacist

    Pharmacotherapy

    Pharmacy Service Providers

    A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing pharmacotherapeutic care of patients, by developing, implementing, monitoring, and modifying complex treatment plans, providing advanced level education and consultation, and collaborating with other health professionals in the management of therapy.

    Taxonomy code 1835P1200X
  • Internal Medicine

    Allopathic & Osteopathic Physicians

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Taxonomy code 207R00000X
  • Pathology

    Clinical Informatics

    Allopathic & Osteopathic Physicians

    Physicians who practice Clinical Informatics collaborate with other health care and information technology professionals to analyze, design, implement and evaluate information and communication systems that enhance individual and population health outcomes, improve patient care, and strengthen the clinician-patient relationship. Clinical Informaticians use their knowledge of patient care combined with their understanding of informatics concepts, methods, and tools to: assess information and knowledge needs of health care professionals and patients; characterize, evaluate, and refine clinical processes; develop, implement, and refine clinical decision support systems; and lead or participate in the procurement, customization, development, implementation, management, evaluation, and continuous improvement of clinical information systems.

    Taxonomy code 207ZC0008X
  • Preventive Medicine

    Clinical Informatics

    Allopathic & Osteopathic Physicians

    Physicians who practice Clinical Informatics collaborate with other health care and information technology professionals to analyze, design, implement and evaluate information and communication systems that enhance individual and population health outcomes, improve patient care, and strengthen the clinician-patient relationship. Clinical Informaticians use their knowledge of patient care combined with their understanding of informatics concepts, methods, and tools to: assess information and knowledge needs of health care professionals and patients; characterize, evaluate, and refine clinical processes; develop, implement, and refine clinical decision support systems; and lead or participate in the procurement, customization, development, implementation, management, evaluation, and continuous improvement of clinical information systems.

    Taxonomy code 2083C0008X
  • Clinical Pharmacology

    Allopathic & Osteopathic Physicians

    Clinical pharmacology encompasses the spectrum of activities related to the discovery, development, regulation, and utilization of safe and effective drugs.

    Taxonomy code 208U00000X
  • Technician, Pathology

    Clinical Laboratory Director, Non-physician

    Technologists, Technicians & Other Technical Service Providers

    An individual who is state-licensed as a clinical laboratory director and meets the qualifications in the Clinical Laboratory Improvement Amendments of 1988 for non-physicians (non-MD/DO) as defined in the CFR 42 Part 493.1405.

    Taxonomy code 247ZC0005X

Provider-Reported License Information

Pharmacist (Maryland)
IRB00009424
Case Manager/Care Coordinator (Maryland)
FWA00015357
Specialist (Maryland)
FWA00015357
Specialist (Maryland)
FWA00015357
Clinical Ethicist (Maryland)
IRB00009424
Pharmacist (Maryland)
FWA00015357
Pharmacist (Maryland)
69891
Pharmacist (Maryland)
D11379922
Pharmacist (Maryland)
IORG0007849
Pharmacist (Maryland)
IORG0007849
Internal Medicine (Maryland)
IORG0007849
Pathology (Maryland)
IORG0007849
Preventive Medicine (Maryland)
IORG0007849
Clinical Pharmacology (Maryland)
IORG0007849
Technician, Pathology (Maryland)
IORG0007849
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

5545 Burnside Dr

Rockville, Maryland 20853-2458

Phone: (301) 222-7143

Record Information

Enumeration Date
December 23, 2011
Provider's NPPES Record Last Updated
March 26, 2025
Certification Date
March 26, 2025
NPISignal NPPES Dataset
August 2026

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