DR. AN NHAT DUY NGUYEN DDS PHD
NPI 1649031980
Dentist - General Practice in San Leandro, CA

Q: What is An Nguyen's NPI number?

The NPI number for An Nguyen is 1649031980. It was assigned to this individual provider in the NPPES registry on January 23, 2024.

Q: What is An Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for An Nguyen was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since January 23, 2024PECOS Enrolled

2561 MERCED ST, SAN LEANDRO, CA 94577(510) 969-0788(510) 730-2911 Get Directions Write a Review

NPPES record last updated: January 23, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. An Nhat Duy Nguyen Dds Phd NPPES

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

DR. AN NHAT DUY NGUYEN DDS PHD (NPI 1649031980) is an individual general practice provider in San Leandro, California, licensed in California (DDS109696) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649031980

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameDR. AN NHAT DUY NGUYENCredential: DDS PHD

Location Address2561 MERCED STSan Leandro, CA 94577-4207

Mailing Address2900 Camby RdAntioch, CA 94509-5516 · (510) 316-0160

Phone(510) 969-0788

Fax(510) 730-2911

Sole ProprietorYes

Enumeration DateJanuary 23, 2024

NPPES CertifiedJanuary 22, 2024

✔ NPI 1649031980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · DDS109696

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.

2561 MERCED ST, San Leandro, CA 94577

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Dominion National, HRI Dental & Vision and more.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)

Dr. An Nhat Duy Nguyen Dds Phd 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 94577 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 2

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

C CHIU DDS INC

Dentist

2561 MERCED ST
SAN LEANDRO, CA 94577

Alameda County (510) 969-0788

DR. CHRISTOPHER T CHIU DDS

Dentist (Dentist Anesthesiologist)

2561 MERCED ST
SAN LEANDRO, CA 94577

Alameda County (510) 969-0788

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 An Nguyen's NPI number?

The NPI number for An Nguyen is 1649031980. It was assigned to this individual provider in the NPPES registry on January 23, 2024.

Where is An Nguyen located?

An Nguyen practices at 2561 Merced St, San Leandro, CA 94577. The listed phone number is (510) 969-0788.

What is An Nguyen's specialty?

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

Is An Nguyen enrolled in Medicare?

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

What insurance does An Nguyen accept?

Health plans from BEST Life, Dominion National, HRI Dental & Vision, Humana and Paramount and 1 other insurer list An Nguyen 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 An Nguyen was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.