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Pin-Wen Chen, MD

Physical Medicine & Rehabilitation Physician in O Fallon, MO · enumerated 2018 · practices at Delmar Gardens of O'Fallon, LLC.

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

National Provider Identifier

1740779156

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Registry record

Entity type Individual (Type 1)
Name Pin-Wen Chen
Credential MD
Sex Female
Practice address 7068 S Outer 364, O Fallon, MO, 63368
Phone (702) 899-0595
Fax (702) 977-1496
Enumeration date May 2, 2018
Last updated in NPPES Jun 30, 2026

Taxonomy & licenses

207RH0002X Hospice and Palliative Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 2023011943 (MO) Secondary
208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 2023011943 (MO) Primary
2081H0002X Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician Allopathic & Osteopathic Physicians · License 2023011943 (MO) 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 Pin-Wen Chen?
The National Provider Identifier (NPI) for Pin-Wen Chen is 1740779156, a Type 1 (individual) record in the CMS NPPES registry.
Where does Pin-Wen Chen practice?
The practice location on file with NPPES is in O Fallon, MO. 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 2026-06-30.