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

THINH HOANG NGUYEN MD
NPI 1265061725
Pediatrics - Pediatric Allergy/Immunology in Boston, MA

Q: What is Thinh Nguyen's NPI number?

The NPI number for Thinh Nguyen is 1265061725. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Q: What is Thinh Nguyen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Q: When was this NPI record last updated?

The NPPES record for Thinh Nguyen was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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 April 06, 2020PECOS Enrolled

300 LONGWOOD AVE, FEGAN 6, BOSTON, MA 02115(617) 355-6117 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 17, 2026, Jul 18, 2023, Apr 6, 2020 (3 updates tracked since 2020).

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About Thinh Hoang Nguyen Md NPPES

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

THINH HOANG NGUYEN MD (NPI 1265061725) is an individual pediatric allergy/immunology provider in Boston, Massachusetts, licensed in Massachusetts (1014679) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265061725

Entity TypeIndividualMale

Primary Taxonomy2080P0201X

Provider Legal NameTHINH HOANG NGUYENCredential: MD

Location Address300 LONGWOOD AVE, FEGAN 6Boston, MA 02115-5724

Mailing Address300 Longwood Ave, Fegan 6Boston, MA 02115-5724 · (617) 355-6117

Phone(617) 355-6117

Sole ProprietorNo

Enumeration DateApril 6, 2020

Last NPPES UpdateAugust 17, 20263 updates tracked since enumeration

NPPES CertifiedAugust 17, 2026

✔ NPI 1265061725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Allergy/ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0201X

License✔ Licensed in MA · 1014679

Definition

A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.

Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License 1014679 (MA)

Also ListedPediatricsTaxonomy 208000000X · License 1014679 (MA)

300 LONGWOOD AVE, Boston, MA 02115

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thinh Hoang Nguyen Md 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.

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.

JULIE ANN HANSEN LCSW

Social Worker (Clinical)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (857) 218-4309

MS. ANNA ROGLIERI

Nurse Practitioner (Psychiatric/Mental Health)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

STEPHEN G. FLYNN M.D.

Anesthesiology (Pediatric Anesthesiology)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

MRS. LAUREN ASHLEY SHARIS P.T., D.P.T

Physical Therapist

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-7216

MS. SOYUN KWAN LICSW

Social Worker (Clinical)

300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115

Suffolk County (617) 355-0567

PUJA BANKA M.D.

Pediatrics

300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115

Suffolk County (617) 355-6363

MR. COURTNEY SULLIVAN FRATTO CPNP

Nurse Practitioner (Pediatrics)

300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115

Suffolk County (857) 218-4085

DR. ELIZABETH S TAGLAUER M.D., PH.D.

Pediatrics (Neonatal-Perinatal Medicine)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

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 Thinh Nguyen's NPI number?

The NPI number for Thinh Nguyen is 1265061725. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Where is Thinh Nguyen located?

Thinh Nguyen practices at 300 Longwood Ave Fegan 6, Boston, MA 02115. The listed phone number is (617) 355-6117.

What is Thinh Nguyen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Is Thinh Nguyen enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Thinh Nguyen was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.