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DIEU THUY LY D.M.D
NPI 1265534358
Dentist - Endodontics in N Chelmsford, MA

Active since September 01, 2006PECOS Enrolled
73 PRINCETON ST, STE 202, N CHELMSFORD, MA 01863(978) 251-1515(978) 251-1616 Get Directions Write a Review

NPPES record last updated: April 10, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dieu Thuy Ly D.m.d NPPES

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

DIEU THUY LY D.M.D (NPI 1265534358) is an individual endodontics provider in N Chelmsford, Massachusetts, licensed in Massachusetts (18772) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265534358
Entity TypeIndividualFemale
Primary Taxonomy1223E0200X
Provider Legal NameDIEU THUY LYCredential: D.M.D
Location Address73 PRINCETON ST, STE 202N Chelmsford, MA 01863
Mailing Address73 Princeton St, Ste 202N Chelmsford, MA 01863 · (978) 251-1515 · Fax (978) 251-1616
Phone(978) 251-1515
Fax(978) 251-1616
Sole ProprietorNo
Enumeration DateSeptember 1, 2006
Last NPPES UpdateApril 10, 2015
✔ NPI 1265534358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in MA · 18772
Definition
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
73 PRINCETON ST, N Chelmsford, MA 01863
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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, BEST Life 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)

Dieu Thuy Ly 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 01863 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 20

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

MR. ANTHONY A SHIPLEY MSW
Social Worker (Clinical)
73 PRINCETON ST, 314
N CHELMSFORD, MA 01863
Middlesex County (978) 251-7806
MS. CAROLINDA SUITOR STERCZALA MSW LICSW
Social Worker (Clinical)
73 PRINCETON ST, SUITE 203
N CHELMSFORD, MA 01863
Middlesex County (978) 256-6579
KAREN WOLFENDON LMHC
Counselor (Mental Health)
73 PRINCETON ST, SUITE 314
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 251-7806
LUCY A GROSVENOR LICSW
Social Worker (Clinical)
73 PRINCETON ST, SUITE203
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 256-6579
JOHN W THOMPSON MSW
Social Worker (Clinical)
73 PRINCETON ST, SUITE 203
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 256-6579
USHA TRIPATHI MD
Psychiatry & Neurology (Psychiatry)
73 PRINCETON ST, SUITE 203
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 256-6579
MERRIMACK VALLEY ENDODONTICS LLP
Dentist (Endodontics)
73 PRINCETON ST, SUITE 202
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 251-1515
DR. TIMOTHY PAUL CARTER DDS
Dentist (Endodontics)
73 PRINCETON ST
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 251-1515

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 Dieu Ly's NPI number?

The NPI number for Dieu Ly is 1265534358. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Where is Dieu Ly located?

Dieu Ly practices at 73 Princeton St Ste 202, N Chelmsford, MA 01863. The listed phone number is (978) 251-1515.

What is Dieu Ly's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Is Dieu Ly enrolled in Medicare?

Yes. Dieu Ly is registered in the Medicare PECOS enrollment system.

What insurance does Dieu Ly accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 5 other insurers list Dieu Ly 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 Dieu Ly was last updated on April 10, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.