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ANDREA KHUE-TU NGUYEN MD
NPI 1417698929
Internal Medicine - Sleep Medicine in Redwood City, CA

Active since April 06, 2022PECOS Enrolled
450 BROADWAY ST FL 2, REDWOOD CITY, CA 94063(650) 723-6601 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 3, 2025, Apr 6, 2022 (2 updates tracked since 2022).

About Andrea Khue-tu Nguyen Md NPPES

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

ANDREA KHUE-TU NGUYEN MD (NPI 1417698929) is an individual sleep medicine provider in Redwood City, California, licensed in California (A203772) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417698929
Entity TypeIndividualFemale
Primary Taxonomy207RS0012X
Provider Legal NameANDREA KHUE-TU NGUYENCredential: MD
Location Address450 BROADWAY ST FL 2Redwood City, CA 94063-3132
Mailing Address450 Broadway St # CRedwood City, CA 94063-3132 · (650) 724-4600
Phone(650) 723-6601
Sole ProprietorNo
Enumeration DateApril 6, 2022
Last NPPES UpdateJuly 2, 20262 updates tracked since enumeration
NPPES CertifiedJuly 2, 2026
✔ NPI 1417698929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in CA · A203772
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
450 BROADWAY ST FL 2, Redwood City, CA 94063
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrea Khue-tu Nguyen 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 94063 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
$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.

Other Providers at the Same Location NPPES 4

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

HOPE WANG MD
Student in an Organized Health Care Education/Training Program
450 BROADWAY ST FL 2
REDWOOD CITY, CA 94063
San Mateo County (650) 723-6601
CHRISTINE CELESTE BRENNAN MD
Internal Medicine (Sleep Medicine)
450 BROADWAY ST FL 2
REDWOOD CITY, CA 94063
San Mateo County (507) 236-6016
LUIS REY GASCA MD
Internal Medicine (Sleep Medicine)
450 BROADWAY ST FL 2
REDWOOD CITY, CA 94063
San Mateo County (650) 723-6601
SHANTHA GOWDA PSYD
Psychologist
450 BROADWAY ST FL 2
REDWOOD CITY, CA 94063
San Mateo County (650) 498-3931

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 Andrea Nguyen's NPI number?

The NPI number for Andrea Nguyen is 1417698929. It was assigned to this individual provider in the NPPES registry on April 6, 2022.

Where is Andrea Nguyen located?

Andrea Nguyen practices at 450 Broadway St Fl 2, Redwood City, CA 94063. The listed phone number is (650) 723-6601.

What is Andrea Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Andrea Nguyen enrolled in Medicare?

Yes. Andrea Nguyen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Andrea Nguyen was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.