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DR. ASHLEY THUY-TRANG NGUYEN MD
NPI 1114585460
Internal Medicine in Newton, MA

Active since June 02, 2019PECOS EnrolledAccepts Medicare Assignment
2000 WASHINGTON ST STE 304, NEWTON, MA 02462(508) 362-0099(508) 362-8811 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 30, 2025, Jun 2, 2019 (2 updates tracked since 2019).

About Dr. Ashley Thuy-trang Nguyen Md NPPES

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

DR. ASHLEY THUY-TRANG NGUYEN MD (NPI 1114585460) is an individual internal medicine provider in Newton, Massachusetts, licensed in Massachusetts (1022019) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Southcoast Hospitals Group, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2019).

NPPES Registry Identity

NPI1114585460
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ASHLEY THUY-TRANG NGUYENCredential: MD
Location Address2000 WASHINGTON ST STE 304Newton, MA 02462-1602
Mailing Address2000 Washington St Ste 304Newton, MA 02462-1602 · (508) 362-0099 · Fax (508) 362-8811
Phone(508) 362-0099
Fax(508) 362-8811
Sole ProprietorYes
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2019
Enumeration DateJune 2, 2019
Last NPPES UpdateJune 30, 20252 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
✔ NPI 1114585460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1022019
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2000 WASHINGTON ST STE 304, Newton, MA 02462
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ashley Thuy-trang Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789917196
PECOS Enrollment IDI20250702001329
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.

Medicare Billing Reassignment

Medicare enrollment records show Ashley Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Greater Boston Allergy Asthma Sinus & Immunology Centers, P.C.
68 mi
Allergy & Immunology
433 W MAIN ST
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 9 clinicians in this Medicare group
NPI 1376177790 (508) 362-0099

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Southcoast Hospitals Group

Acute Care Hospitals · Fall River, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220074
Location363 Highland AvenueFall River, MA 02720 · Bristol County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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

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

NATHALIE BOILEAU M.D.
Internal Medicine (Rheumatology)
2000 WASHINGTON ST STE 304
NEWTON, MA 02462
Middlesex County (617) 243-5440

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 Ashley Nguyen's NPI number?

The NPI number for Ashley Nguyen is 1114585460. It was assigned to this individual provider in the NPPES registry on June 2, 2019.

Where is Ashley Nguyen located?

Ashley Nguyen practices at 2000 Washington St Ste 304, Newton, MA 02462. The listed phone number is (508) 362-0099.

What is Ashley Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ashley Nguyen enrolled in Medicare?

Yes. Ashley Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ashley Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Nguyen reassigns Medicare benefits to Greater Boston Allergy Asthma Sinus & Immunology Centers, P.C. (Hyannis, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ashley Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Nguyen accept?

Health plans from Anthem Blue Cross and Blue Shield list Ashley 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.

Is Ashley Nguyen affiliated with any hospitals?

According to CMS data, Ashley Nguyen is affiliated with Southcoast Hospitals Group.

When was this NPI record last updated?

The NPPES record for Ashley Nguyen was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.