Xixi Xu
Gastroenterology Physician · Worcester, MA
Xixi Xu is a gastroenterology physician with a practice address in Worcester, Massachusetts, and NPI 1811458722, issued on Mar 26, 2019. Check the license (Massachusetts 291700, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Xixi Xu
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 291700 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-3068
- Enumerated
- Mar 26, 2019
- Record last updated
- Mar 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20260527001936); may accept Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nawal Aamir, MDInternal Medicine Physician1588248926
- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Xixi Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 291700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $144.49
2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Xixi Xu among 686 gastroenterology physician records in Massachusetts
Xixi Xu is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2004 among the 491 with a school on file
- Record last updated2026 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Worcester → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Graham Barnard, M.D.Worcester, MA 016551942284369
- Curtis Barry, MDWorcester, MA 016551326068479
- Anjali Basil, M.D.Worcester, MA 016551316993983
- Kanishka Bhattacharya, M.D.Worcester, MA 016551457333510
- David Cave, M.D.Worcester, MA 016551003898578
- Mitchell Gitkind, M.D.Worcester, MA 016551073596540
- Jean Marie Houghton, M.D. PHD.Worcester, MA 016551477536399
- Benjamin Hyatt, M.D.Worcester, MA 016551477518678
Common questions
What is Xixi Xu's NPI number?
Xixi Xu's National Provider Identifier (NPI) is 1811458722, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Xixi Xu located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-3068. Providers update this record themselves, so call before visiting.
How can I verify Xixi Xu's license?
NPPES lists Massachusetts license number 291700, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.