Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marvin Lee Hsiao, MD

Ophthalmology Physician in Carrollton, TX · enumerated 2007.

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

National Provider Identifier

1477756310

Verified

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Registry record

Entity type Individual (Type 1)

Name Marvin Lee Hsiao

Credential MD

Sex Male

Practice address 4325 N. Josey Ln., Suite 103, Carrollton, TX, 75010

Phone (972) 395-7131

Fax (972) 395-7585

Enumeration date Jun 7, 2007

Last updated in NPPES Feb 18, 2010

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License N2117 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
BP1-0022426	Other	-	INSTITUTIONAL PERMIT
205515401	Medicaid	TX	-

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

How do I verify Marvin Hsiao's NPI record?

Cross-check NPI 1477756310 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1477756310 active?

Yes, as of the latest NPPES snapshot, NPI 1477756310 is active (record last updated 2010-02-18).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-18.