Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sandra Shina Hou, OD
Optometrist in Troy, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013007467
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Registry record
Entity type Individual (Type 1)
Name Sandra Shina Hou
Credential OD
Sex Female
Practice address 2001 W Maple Rd, Wal Mart Vision Center, Troy, MI, 48084
Phone (248) 435-4126
Fax (248) 435-4162
Enumeration date Oct 14, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Sandra Hou?
Sandra Hou is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Wal-Mart Stores East Lp Community/Retail Pharmacy · Troy, MI NPI 1649297862 Sandra Shina Hou Od PC Optometrist · Troy, MI NPI 1902996358 Wal-Mart Stores East, Lp Optician · Troy, MI NPI 1619050705 Walmart Pharmacy · Troy, MI NPI 1083064372 Robert Sharp Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Troy, MI NPI 1356972988 Zaina Assaf Pharmacist · Troy, MI NPI 1639771074
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.