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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mengdi Yao, M.D.

Vascular Surgery Physician in Tinley Park, IL · enumerated 2016 · practices at Vascular Specialists LLC.

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

National Provider Identifier

1184073702

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Registry record

Entity type Individual (Type 1)
Name Mengdi Yao
Credential M.D.
Sex Female
Practice address Tinley Park, IL, 60487
Enumeration date Jun 4, 2016
Last updated in NPPES Nov 5, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 266920 (MA) Secondary
2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 036170094 (IL) Primary
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 Mengdi Yao?
The National Provider Identifier (NPI) for Mengdi Yao is 1184073702, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mengdi Yao practice?
The practice location on file with NPPES is in Tinley Park, IL. 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 2024-11-05.