SANDRA GRAYBEAL WAI M.D.
NPI 1164667002
Pediatrics - Neonatal-Perinatal Medicine in Oakland, CA

Q: What is Sandra Wai's NPI number?

The NPI number for Sandra Wai is 1164667002. It was assigned to this individual provider in the NPPES registry on December 6, 2008. The provider is also known as Sandra Louise Graybeal MD.

Q: What is Sandra Wai's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Sandra Wai was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 December 06, 2008PECOS Enrolled

747 52ND ST, OAKLAND, CA 94609(510) 428-3000 Get Directions Write a Review

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

On this page

About Sandra Graybeal Wai M.d. NPPES

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

SANDRA GRAYBEAL WAI M.D. (NPI 1164667002) is an individual neonatal-perinatal medicine provider in Oakland, California, licensed in California (A106062) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164667002

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameSANDRA GRAYBEAL WAICredential: M.D.

Location Address747 52ND STOakland, CA 94609-1809

Mailing Address747 52nd StOakland, CA 94609-1809 · (510) 428-3000

Phone(510) 428-3000

Sole ProprietorYes

Enumeration DateDecember 6, 2008

Last NPPES UpdateJanuary 6, 2026

NPPES CertifiedJanuary 6, 2026

✔ NPI 1164667002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in CA · A106062

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License A106062 (CA)

747 52ND ST, Oakland, CA 94609

Open in Google Maps ↗

Other Names 1

Former Name (1)Sandra Louise Graybeal Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sandra Graybeal Wai 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.

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.

MRS. SHERYL LEE GARCIA RN

Registered Nurse (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

ERICA TRINGALE N.P,

Nurse Practitioner (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3373

MRS. NATALIE PLOTKIN MS, ACPNP

Pediatrics (Pediatric Hematology-Oncology)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3484

REBECCA ROMANOV MD

Pediatrics

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3331

SHELLEY ANNE BULL CPNP-PC

Nurse Practitioner (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

KARIDA ADETORO

Student in an Organized Health Care Education/Training Program

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

ANNIE ROQUE

Nurse Practitioner (Pediatrics)

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-4418

CHILDREN'S HOSPITAL & RESEARCH CENTER AT OAKLAND

General Acute Care Hospital

747 52ND ST
OAKLAND, CA 94609

Alameda County (510) 428-3885

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 Sandra Wai's NPI number?

The NPI number for Sandra Wai is 1164667002. It was assigned to this individual provider in the NPPES registry on December 6, 2008. The provider is also known as Sandra Louise Graybeal MD.

Where is Sandra Wai located?

Sandra Wai practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3000.

What is Sandra Wai's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Sandra Wai enrolled in Medicare?

Yes. Sandra Wai is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sandra Wai was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.