L. Stephanie Wu, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

SD0058080 Issued in CA

Practice address

22179 Redwood Rd
Castro Valley, CA 94546-7107

Phone

(510) 886-1856

Fax

(510) 886-1942

NPI assigned

Jun 7, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Gary a Osias

  • Optometrist
  • Castro Valley, CA
  • NPI 1467503144
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770523763",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22179 REDWOOD RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945467107",
            "telephone_number": "510-886-1856",
            "fax_number": "510-886-1942"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22179 REDWOOD RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945467107",
            "telephone_number": "510-886-1856",
            "fax_number": "510-886-1942"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WU",
        "first_name": "L.",
        "middle_name": "STEPHANIE",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "SD0058080",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Terence Chuck Wong, D.D.S.
• Sandi T Woo, PA-C
• William Garin Wood, M.D., M.S.
• Lily Woodruff
• Bryan Worthy, D.C.
• Annika Wurm
• Kun Xiao, MD MPH
• Ling Xu, M.D.
• Weiwei Xu, MD
• Helen Woohee Yang, MD

• Optometrist in Castro Valley, CA
• Providers in Castro Valley, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.