REBECCA LIU MD
NPI 1063972644
Internal Medicine - Gastroenterology in Boston, MA

Active since March 21, 2019PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 9, 2025, Mar 21, 2019 (2 updates tracked since 2019).

About Rebecca Liu Md NPPES

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

REBECCA LIU MD (NPI 1063972644) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (1024252) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Yale University School Of Medicine (2019).

NPPES Registry Identity

NPI1063972644
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameREBECCA LIUCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address2 Beekman PlMorristown, NJ 07960-7905
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2019
Enumeration DateMarch 21, 2019
Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
NPI 1063972644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MA · 1024252
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
55 FRUIT ST, Boston, MA 02114

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 and accepts Medicare assignment

Rebecca Liu 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 ID9830428234
PECOS Enrollment IDI20250916003138
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.

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Rebecca Liu's NPI number?

The NPI number for Rebecca Liu is 1063972644. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Rebecca Liu located?

Rebecca Liu practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-5820.

What is Rebecca Liu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Rebecca Liu enrolled in Medicare?

Yes. Rebecca Liu 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.

What insurance does Rebecca Liu accept?

Health plans from Anthem Blue Cross and Blue Shield list Rebecca Liu 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 Rebecca Liu affiliated with any hospitals?

According to CMS data, Rebecca Liu is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Rebecca Liu was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.