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Dr. Chunwei Walter Lai, M.D., PH.D.

Gastroenterology Physician in Hagerstown, MD · enumerated 2013 · practices at Medical Practices of Antietam LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1134568306

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Registry record

Entity type Individual (Type 1)
Name Dr. Chunwei Walter Lai
Credential M.D., PH.D.
Sex Male
Practice address 11110 Medical Campus Rd Ste 246, Hagerstown, MD, 21742
Enumeration date Jun 20, 2013
Last updated in NPPES Jul 18, 2023

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License D96225 (MD) Primary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License MD458201 (PA) Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License MT203510 (PA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

What is the NPI number for Chunwei Lai?
The National Provider Identifier (NPI) for Chunwei Lai is 1134568306, a Type 1 (individual) record in the CMS NPPES registry.
Where does Chunwei Lai practice?
The practice location on file with NPPES is in Hagerstown, MD. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-18.