NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Meng-Lun Hsieh

Radiation Oncology Physician in Oklahoma City, OK · enumerated 2020.

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

National Provider Identifier

1952939738

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Meng-Lun Hsieh
Sex Female
Practice address 800 Ne 10th Street, Okcc100, Oklahoma City, OK, 73104
Enumeration date Mar 29, 2020
Last updated in NPPES Jul 19, 2025

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License 7412 (OK) Secondary
2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 7412 (OK) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Meng-Lun Hsieh?
The National Provider Identifier (NPI) for Meng-Lun Hsieh is 1952939738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Meng-Lun Hsieh practice?
The practice location on file with NPPES is in Oklahoma City, OK. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-19.