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

DR. CHIEN-YU HSU D.M.D.
NPI 1205817442
Dentist - General Practice in Lowell, MA

Q: What is Chien-yu Hsu's NPI number?

The NPI number for Chien-yu Hsu is 1205817442. It was assigned to this individual provider in the NPPES registry on November 5, 2005.

Q: What is Chien-yu Hsu'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 Chien-yu Hsu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.

Active since November 05, 2005PECOS Enrolled

111 CHELMSFORD ST, LOWELL, MA 01851(978) 453-7800(978) 934-0920 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Chien-yu Hsu D.m.d. NPPES

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

DR. CHIEN-YU HSU D.M.D. (NPI 1205817442) is an individual general practice provider in Lowell, Massachusetts, licensed in Massachusetts (17584) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205817442

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. CHIEN-YU HSUCredential: D.M.D.

Location Address111 CHELMSFORD STLowell, MA 01851-2621

Mailing Address111 Chelmsford StLowell, MA 01851-2621 · (978) 453-7800 · Fax (978) 934-0920

Phone(978) 453-7800

Fax(978) 934-0920

Sole ProprietorNo

Enumeration DateNovember 5, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1205817442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MA · 17584

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.

111 CHELMSFORD ST, Lowell, MA 01851

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, 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)

Dr. Chien-yu Hsu D.m.d. 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 01851 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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.

KAI GAO DMD

Dentist (General Practice)

111 CHELMSFORD ST
LOWELL, MA 01851

Middlesex County (978) 453-7800

PAILIN DENTAL CENTER

Dentist (General Practice)

111 CHELMSFORD ST
LOWELL, MA 01851

Middlesex County (978) 453-7800

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 Chien-yu Hsu's NPI number?

The NPI number for Chien-yu Hsu is 1205817442. It was assigned to this individual provider in the NPPES registry on November 5, 2005.

Where is Chien-yu Hsu located?

Chien-yu Hsu practices at 111 Chelmsford St, Lowell, MA 01851. The listed phone number is (978) 453-7800.

What is Chien-yu Hsu's specialty?

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

Is Chien-yu Hsu enrolled in Medicare?

Yes. Chien-yu Hsu is registered in the Medicare PECOS enrollment system.

What insurance does Chien-yu Hsu accept?

Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Chien-yu Hsu 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 Chien-yu Hsu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.