Mengfei Liu, M.D.
Gastroenterology Physician · New Haven, CT
Mengfei Liu, M.D. is a gastroenterology physician with a practice address in New Haven, Connecticut, and NPI 1740690957, issued on Apr 28, 2014. Check the license (Connecticut 72956, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mengfei Liu
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 72956 CT
62053 MN
Self-reported in NPPES; status is on the state search - Practice location
- 40 Temple St Ste 1A, New Haven, CT 06510
- Phone
- (203) 785-4138
- Enumerated
- Apr 28, 2014
- Record last updated
- Jan 23, 2024
- Fax
- (203) 737-1345
- Medicare enrollment
- Enrolled (PECOS I20230314000244); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 40 Temple St Ste 1A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Amoona, PA-CMedical Physician Assistant1396254348
- Michaela Auscavitch, APRNFamily Nurse Practitioner1063161081
- Bubu Banini, MD PHDInternal Medicine Physician1427320985
- Qendresa BeqiriFamily Nurse Practitioner1740791144
- Sarah Halloran, PA-CMedical Physician Assistant1316183726
- Alexander Levy, MDGastroenterology Physician1497022297
Verify Mengfei Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 72956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gastroenterology physician in 2024
68 Medicare Part D claims for 18 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Xifaxan19 claims
- Pantoprazole Sodium14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mengfei Liu among 336 gastroenterology physician records in Connecticut
Mengfei Liu, M.D. is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 85% of them.
- NPI issued2014 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2014 · median 2001 among the 255 with a school on file
- Record last updated2024 · 69% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Connecticut
There are 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in New Haven → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Harry Aslanian, MDNew Haven, CT 065101295718401
- Sidney Bogardus, MDNew Haven, CT 065101730131103
- James Boyer, M.D.New Haven, CT 065101447233267
- Samuel Feldshon, MDNew Haven, CT 065101861464547
- Rosemarie Fisher, MDNew Haven, CT 065101174507685
- Guadalupe Garcia Tsao, MDNew Haven, CT 065101194706416
- Wolfram Goessling, MD PHDNew Haven, CT 065101083696298
- Chul Hyun, MDNew Haven, CT 065101467540401
Common questions
What is Mengfei Liu, M.D.'s NPI number?
Mengfei Liu, M.D.'s National Provider Identifier (NPI) is 1740690957, issued on Apr 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mengfei Liu, M.D. located?
The NPPES record lists a practice address at 40 Temple St Ste 1A, New Haven, CT, 06510. Phone: (203) 785-4138. Providers update this record themselves, so call before visiting.
How can I verify Mengfei Liu, M.D.'s license?
NPPES lists Connecticut license number 72956, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mengfei Liu, M.D. prescribe under Medicare Part D?
In 2024, Mengfei Liu, M.D. had 68 Medicare Part D claims for 18 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.