Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Peter S. Chao, O.D.
Optometrist in Plano, TX · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972643625
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Registry record
Entity type Individual (Type 1)
Name Dr. Peter S. Chao
Credential O.D.
Sex Male
Practice address 4909 W Park Blvd, Suite 135, Plano, TX, 75093
Phone (972) 985-7916
Fax (972) 985-7933
Enumeration date Feb 8, 2007
Last updated in NPPES Oct 1, 2021
Taxonomy & licenses
152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License 5895TG (TX) Secondary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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.
Frequently asked questions
Is NPI 1972643625 active?
Yes, as of the latest NPPES snapshot, NPI 1972643625 is active (record last updated 2021-10-01).
How do I verify Peter Chao's NPI record?
Cross-check NPI 1972643625 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-01.