Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Han Xu, M.D. / PH.D. / FAPCR
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Rockville, MD · enumerated 2011 · practices at Medicine Invention Design Incorporation.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831468511
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| D11379922 | Other | MD | MD-SDAT-CAQH-HMO |
| 69891 | Other | MD | FDA-NDC-LABELER-CODE |
| IORG0007849 | Other | MD | HHS-OHRP-IORG |
| FWA00015357 | Other | MD | HHS-OHRP-FWA |
| IRB00009294 | Other | MD | HHS-OHRP-IRB |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-26.