ELAINE K ONG M.D.
NPI 1053499806
Pediatrics in Hayward, CA

Q: What is Elaine Ong's NPI number?

The NPI number for Elaine Ong is 1053499806. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Elaine Ong's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Elaine Ong was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since November 01, 2006PECOS Enrolled

27303 SLEEPY HOLLOW AVE S, HAYWARD, CA 94545(510) 454-1000 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Elaine K Ong M.d. NPPES

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

ELAINE K ONG M.D. (NPI 1053499806) is an individual pediatrics provider in Hayward, California, licensed in California (A64839) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053499806

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameELAINE K ONGCredential: M.D.

Location Address27303 SLEEPY HOLLOW AVE SHayward, CA 94545-4203

Mailing Address27303 Sleepy Hollow Ave SHayward, CA 94545-4203 · (510) 454-1000

Phone(510) 454-1000

Sole ProprietorNo

Enumeration DateNovember 1, 2006

Last NPPES UpdateDecember 6, 2021

✔ NPI 1053499806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A64839

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

27303 SLEEPY HOLLOW AVE S, Hayward, CA 94545

Open in Google Maps ↗

Other Identifiers 1

Medicaid00A648390CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elaine K Ong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Leave this field empty

Other Providers at the Same Location NPPES 20

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

GEORGE LAI M.D.

Internal Medicine (Nephrology)