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MAY M WONG O.D.
NPI 1689727281
Optometrist in Hayward, CA

Active since January 19, 2007PECOS EnrolledAccepts Medicare Assignment
500 SOUTHLAND MALL, HAYWARD, CA 94545(510) 887-2800(510) 887-2812 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About May M Wong O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAY M WONG O.D. (NPI 1689727281) is an individual optometrist in Hayward, California, licensed in California (11406) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1689727281
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameMAY M WONGCredential: O.D.
Location Address500 SOUTHLAND MALLHayward, CA 94545-2148
Mailing Address221 S Barrington Ave, #104Los Angeles, CA 90049-3355 · (310) 471-0073
Phone(510) 887-2800
Fax(510) 887-2812
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJanuary 19, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1689727281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 11406
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
500 SOUTHLAND MALL, Hayward, CA 94545
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Other Identifiers 1

Medicare UPINU88048CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

May M Wong O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103923909
PECOS Enrollment IDI20070511000529
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94545 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL LI-JEN WANG O.D.
Optometrist
500 SOUTHLAND MALL
HAYWARD, CA 94545
Alameda County (510) 887-2800
MICHAEL JAMES THAANUM O.D.
Optometrist
500 SOUTHLAND MALL
HAYWARD, CA 94545
Alameda County (510) 887-2800
LUXOTTICA OF AMERICA INC.
Eyewear Supplier
500 SOUTHLAND MALL
HAYWARD, CA 94545
Alameda County (510) 887-2800
NAILEEN C CHAND O.D.
Optometrist
500 SOUTHLAND MALL
HAYWARD, CA 94545
Alameda County (510) 887-2800
JEFFREY K HA O.D.
Optometrist
500 SOUTHLAND MALL
HAYWARD, CA 94545
Alameda County (510) 887-2800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is May Wong's NPI number?

The NPI number for May Wong is 1689727281. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is May Wong located?

May Wong practices at 500 Southland Mall, Hayward, CA 94545. The listed phone number is (510) 887-2800.

What is May Wong's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is May Wong enrolled in Medicare?

Yes. May Wong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does May Wong accept?

Health plans from Providence Health Plan list May Wong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for May Wong was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.