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

DR. LONG-GIANG NGUYEN CHAU D.D.S.
NPI 1245680040
Dentist - General Practice in New York, NY

Active since June 13, 2016PECOS Enrolled
345 E 24TH ST, NEW YORK, NY 10010(212) 998-9800 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 2, 2026, Mar 28, 2025, Feb 7, 2025 and 3 more (6 updates tracked since 2016).

About Dr. Long-giang Nguyen Chau D.d.s. NPPES

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

DR. LONG-GIANG NGUYEN CHAU D.D.S. (NPI 1245680040) is an individual general practice provider in New York, New York, licensed in California (102060) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245680040
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. LONG-GIANG NGUYEN CHAUCredential: D.D.S.
Location Address345 E 24TH STNew York, NY 10010-4020
Mailing Address345 E 24th StNew York, NY 10010-4020
Phone(212) 998-9800
Sole ProprietorYes
Enumeration DateJune 13, 2016
Last NPPES UpdateSeptember 2, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2026
✔ NPI 1245680040 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 · 102060
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.
345 E 24TH ST, New York, NY 10010
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas 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. Long-giang Nguyen Chau D.d.s. 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 10010 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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 20

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

KEITH CASSAR
Dentist (General Practice)
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
RAMTIN VAFAMANSOURI
Dentist
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
LEENA MAHMOODA MANZOOR
Student in an Organized Health Care Education/Training Program
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
DR. AKHIL SAINI DDS
Dentist
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
YOONCHANG KIM
Student in an Organized Health Care Education/Training Program
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
AFREEN AHMED
Dentist (General Practice)
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
JEONGYEON CHO
Student in an Organized Health Care Education/Training Program
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800
LAUREN PARK
Student in an Organized Health Care Education/Training Program
345 E 24TH ST
NEW YORK, NY 10010
New York County (212) 998-9800

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 Long-giang Chau's NPI number?

The NPI number for Long-giang Chau is 1245680040. It was assigned to this individual provider in the NPPES registry on June 13, 2016.

Where is Long-giang Chau located?

Long-giang Chau practices at 345 E 24th St, New York, NY 10010. The listed phone number is (212) 998-9800.

What is Long-giang Chau's specialty?

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

Is Long-giang Chau enrolled in Medicare?

Yes. Long-giang Chau is registered in the Medicare PECOS enrollment system.

What insurance does Long-giang Chau accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, HRI Dental & Vision and Humana and 2 other insurers list Long-giang Chau 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 Long-giang Chau was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.