Dr. Rebecca Liu, MD
- Part D claims, 2024
- 82
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Liu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Rebecca Liu is a gastroenterologist in Boston, Massachusetts
Dr. Liu practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Liu's NPI, 1063972644, was assigned on March 21, 2019. Dr. Liu graduated from Yale University School of Medicine in 2019. Dr. Liu holds Massachusetts license 1024252.
- NPI
- 1063972644NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830428234
- NPI enumeration date
- March 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rebecca Liu practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Liu's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Rebecca Liu is affiliated with 2 sites of care and 2 medical groups
Dr. Liu's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Liu to 1 more community health center and 1 medical group, each named with a free account. Dr. Liu's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rebecca Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Rebecca Liu is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Liu is licensed in Massachusetts.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
Gastroenterologists near Dr. Liu
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rebecca Liu's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 73, with 65% women.
Dr. Liu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Rebecca Liu wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 82 Medicare Part D claims for 27 patients. 80% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $230 in total drug cost.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic66 claims80%
- Brand-name16 claims20%
Dr. Liu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Rebecca Liu offers telehealth to Medicare patients
Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rebecca Liu graduated from Yale University School of Medicine
Dr. Liu graduated from Yale University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rebecca Liu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Rebecca Liu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rebecca Liu's NPI number?
Dr. Rebecca Liu's NPI number is 1063972644. It was assigned on March 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Rebecca Liu?
Dr. Rebecca Liu is a gastroenterologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Rebecca Liu practice?
Dr. Liu practices at 55 Fruit Street, Boston, MA 02114. Dr. Liu's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Liu to 1 community health center and 1 medical group.
What is Dr. Rebecca Liu's office phone number?
The practice phone on file for Dr. Liu is (617) 726-2000.
What is Dr. Rebecca Liu's medical license number?
Dr. Liu holds Massachusetts license 1024252.
Which hospitals is Dr. Rebecca Liu affiliated with?
Dr. Liu practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Rebecca Liu part of?
Dr. Liu is linked to Massachusetts General Hospital. Dmand AI links Dr. Liu to 1 more medical group.
Does Dr. Rebecca Liu accept Medicare?
Yes. CMS lists Dr. Liu as accepting Medicare assignment.
Does Dr. Rebecca Liu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Liu as offering telehealth services.
Where did Dr. Rebecca Liu go to medical school?
Dr. Liu graduated from Yale University School of Medicine in 2019.
What drugs does Dr. Rebecca Liu prescribe most?
In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Famotidine.
How long has Dr. Rebecca Liu been practicing?
Dr. Liu graduated from medical school in 2019, 7 years ago.
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