KELLEY NGUYEN
NPI 1104283613
Dentist - General Practice in Foster City, CA

Active since January 28, 2016Opted out of Medicare · through Feb 17, 2027
581 FOSTER CITY BLVD, FOSTER CITY, CA 94404(650) 286-9999 Get Directions Write a Review

NPPES record last updated: January 28, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 28, 2022, Jan 28, 2016 (2 updates tracked since 2016).

About Kelley Nguyen NPPES

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

KELLEY NGUYEN (NPI 1104283613) is an individual general practice provider in Foster City, California, licensed in California (100565) and active in the NPI registry since January 2016. She has opted out of Medicare through February 17, 2027 and remains eligible to order and refer and maintains a secondary practice location in East Palo Alto.

NPPES Registry Identity

NPI1104283613
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameKELLEY NGUYEN
Location Address581 FOSTER CITY BLVDFoster City, CA 94404-1695
Mailing Address1416 Hemlock AveSan Mateo, CA 94401-3540 · (408) 646-8233
Sole ProprietorYes
Enumeration DateJanuary 28, 2016
Last NPPES UpdateJanuary 28, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2022
NPI 1104283613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in CA · 100565
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
581 FOSTER CITY BLVD, Foster City, CA 94404

Secondary Practice Location 1

Location 11807 Bay RdEast Palo Alto, CA 94303-1312 · Phone (650) 289-7700

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Kelley Nguyen has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 17, 2017 through February 17, 2027.

Opt-Out Effective DateFebruary 17, 2017
Opt-Out In Effect ThroughFebruary 17, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94404 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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 17

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

Dentist
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist (General Practice)
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist (General Practice)
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist (General Practice)
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist (General Practice)
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist (Orofacial Pain)
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404
Dentist
581 FOSTER CITY BLVD
FOSTER CITY, CA 94404

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 Kelley Nguyen's NPI number?

The NPI number for Kelley Nguyen is 1104283613. It was assigned to this individual provider in the NPPES registry on January 28, 2016.

Where is Kelley Nguyen located?

Kelley Nguyen practices at 581 Foster City Blvd, Foster City, CA 94404. The listed phone number is (650) 286-9999.

What is Kelley Nguyen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Kelley Nguyen enrolled in Medicare?

No. Kelley Nguyen has opted out of Medicare through February 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Kelley Nguyen was last updated on January 28, 2022. 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.