MAGGIE YAU MD
NPI 1184129355
Pediatrics in St Johnsbury, VT

Q: What is Maggie Yau's NPI number?

The NPI number for Maggie Yau is 1184129355. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Q: What is Maggie Yau'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 Maggie Yau was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 March 28, 2018PECOS Enrolled

97 SHERMAN DR STE 1, ST JOHNSBURY, VT 05819(802) 748-5131(802) 748-4237 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 2, 2026, Aug 16, 2021, Mar 28, 2018 (3 updates tracked since 2018).

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About Maggie Yau Md NPPES

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

MAGGIE YAU MD (NPI 1184129355) is an individual pediatrics provider in St Johnsbury, Vermont, licensed in Vermont (042.0018620) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184129355

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameMAGGIE YAUCredential: MD

Location Address97 SHERMAN DR STE 1St Johnsbury, VT 05819-9280

Mailing AddressPo Box 905St Johnsbury, VT 05819-0905 · (802) 748-5131 · Fax (802) 748-4237

Phone(802) 748-5131

Fax(802) 748-4237

Sole ProprietorNo

Enumeration DateMarch 28, 2018

Last NPPES UpdateApril 2, 20263 updates tracked since enumeration

NPPES CertifiedApril 2, 2026

✔ NPI 1184129355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in VT · 042.0018620

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.

97 SHERMAN DR STE 1, St Johnsbury, VT 05819

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Other Identifiers 2

Medicaid6720308VT

Medicaid3149948NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maggie Yau 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 05819 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

$85.89 typical visit price

range $55.80 – $168.48

Typical copayment $21.47 (range $13.95 – $42.12)

Most-billed visit code 99203

Established Patient

$98.40 typical visit price

range $18.08 – $137.84

Typical copayment $24.60 (range $4.52 – $34.46)

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

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

DR. ALEXA C KEMENY MD

Pediatrics

97 SHERMAN DR STE 1
ST JOHNSBURY, VT 05819

Caledonia County (802) 748-5131

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 Maggie Yau's NPI number?

The NPI number for Maggie Yau is 1184129355. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Maggie Yau located?

Maggie Yau practices at 97 Sherman Dr Ste 1, St Johnsbury, VT 05819. The listed phone number is (802) 748-5131.

What is Maggie Yau's specialty?

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

Is Maggie Yau enrolled in Medicare?

Yes. Maggie Yau is registered in the Medicare PECOS enrollment system.

What insurance does Maggie Yau accept?

Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Maggie Yau 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 Maggie Yau was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.