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

DR. MARY STEPHANIE HUANG MD
NPI 1811987142
Pediatrics - Pediatric Hematology-Oncology in Boston, MA

Active since October 27, 2005PECOS Enrolled
55 FRUIT STREET YAW 8 B, BOSTON, MA 02114(617) 726-2737(617) 724-0702 Get Directions Write a Review

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

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Mary Stephanie Huang Md NPPES

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

DR. MARY STEPHANIE HUANG MD (NPI 1811987142) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (74556) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811987142
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. MARY STEPHANIE HUANGCredential: MD
Location Address55 FRUIT STREET YAW 8 BBoston, MA 02114-2696
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 724-0702
Sole ProprietorNo
Enumeration DateOctober 27, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1811987142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License Licensed in MA · 74556
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 74556 (MA)
55 FRUIT STREET YAW 8 B, Boston, MA 02114

Other Identifiers 3

OtherJ11340MA · Bcbs Ma
Medicaid3124487MA
Other074556MA · Tufts Health Plan

Accepted 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. Mary Stephanie Huang 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.

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 Mary Huang's NPI number?

The NPI number for Mary Huang is 1811987142. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Mary Huang located?

Mary Huang practices at 55 Fruit Street Yaw 8 B, Boston, MA 02114. The listed phone number is (617) 726-2737.

What is Mary Huang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Mary Huang enrolled in Medicare?

Yes. Mary Huang is registered in the Medicare PECOS enrollment system.

What insurance does Mary Huang accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Huang 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 Mary Huang 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 24 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.