Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WENDY ANN LAURENCE-DIAZ MD
NPI 1205574837
Pediatrics in Palo Alto, CA

Q: What is Wendy Laurence-diaz's NPI number?

The NPI number for Wendy Laurence-diaz is 1205574837. It was assigned to this individual provider in the NPPES registry on May 24, 2022.

Q: What is Wendy Laurence-diaz's specialty?

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

Active since May 24, 2022PECOS Enrolled

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 31, 2026, Jul 6, 2026, Mar 20, 2023 and 2 more (5 updates tracked since 2022).

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About Wendy Ann Laurence-diaz Md NPPES

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

WENDY ANN LAURENCE-DIAZ MD (NPI 1205574837) is an individual pediatrics provider in Palo Alto, California, licensed in California (A207127) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1205574837

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameWENDY ANN LAURENCE-DIAZCredential: MD

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000

Phone(650) 497-8000

Sole ProprietorYes

Enumeration DateMay 24, 2022

Last NPPES UpdateAugust 31, 20265 updates tracked since enumeration

NPPES CertifiedAugust 31, 2026

✔ NPI 1205574837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A207127

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.

725 WELCH RD, Palo Alto, CA 94304

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Secondary Practice Locations 2

Location 1275 W MacArthur BlvdOakland, CA 94611-5641 · Phone (510) 752-1000

Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wendy Ann Laurence-diaz Md 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 94304 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

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.

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)