Mountain Vista Optical

Mountain Vista Optical is a healthcare organization registered as Eyewear Supplier in Riverside, CA, holding Type 2 (organization) NPI 1649394545 since 2007. The authorized official on file is Patricia Thormahlen, President.

✓ Active NPI ✓ Valid NPI checksum

NPI	1649394545
Entity type	Organization (Type 2)
Legal business name	Mountain Vista Optical
Practice address	10440 MAGNOLIA AVE, Riverside, CA, 92505
Phone	9516921323
Fax	8662580370
Enumeration date	2007-03-17
Last updated in NPPES	2023-09-07

Authorized official

Name	Patricia Thormahlen
Title	President
Phone	9516921323

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
332H00000X	Eyewear Supplier	Primary	D6924	CA

Other identifiers

Identifier	Type	State	Issuer
DX006924F	Medicaid	CA	—

Copy-ready billing details

Provider: Mountain Vista Optical
NPI: 1649394545
Taxonomy: 332H00000X (Eyewear Supplier)
Address: 10440 MAGNOLIA AVE, Riverside, CA, 92505

Providers at this address

NPI	Name	Type	Specialty	Location
1619011947	Lauren Tang	Individual	Optometrist	Riverside, CA
1003104035	Lauren Nghia Tang, O.D. Inc	Organization	Optometrist	Riverside, CA

Verify this record

Cross-check NPI 1649394545 against the authoritative CMS record: view Mountain Vista Optical on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-09-07. Verify at npiregistry.cms.hhs.gov.

Where is Mountain Vista Optical located?

The practice location on file with NPPES is in Riverside, CA.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-09-07.