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BRIAN CHANG
NPI 1114629987
Internal Medicine in Boston, MA

Active since March 17, 2023PECOS Enrolled

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 12, 2025, Mar 17, 2023 (2 updates tracked since 2023).

About Brian Chang NPPES

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

BRIAN CHANG (NPI 1114629987) is an individual internal medicine provider in Boston, Massachusetts, licensed in California (A202438) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Stanford.

NPPES Registry Identity

NPI1114629987
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBRIAN CHANG
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address55 Fruit StBoston, MA 02114-2621
Phone(617) 726-2000
Sole ProprietorNo
Enumeration DateMarch 17, 2023
Last NPPES UpdateJune 12, 20252 updates tracked since enumeration
NPPES CertifiedMay 25, 2025
✔ NPI 1114629987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A202438
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.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License A202438 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Secondary Practice Location 1

Location 1870 Quarry Road, Cardiovascular Research Center, FALK BuildingStanford, CA 94305-5406 · Phone (650) 723-6141

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian Chang 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 02114 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 20

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

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Brian Chang's NPI number?

The NPI number for Brian Chang is 1114629987. It was assigned to this individual provider in the NPPES registry on March 17, 2023.

Where is Brian Chang located?

Brian Chang practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.

What is Brian Chang's specialty?

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

Is Brian Chang enrolled in Medicare?

Yes. Brian Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brian Chang was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.