Wei Zhang, MD. PHD
Gastroenterology Physician · Boston, MA
Wei Zhang, MD. PHD is a gastroenterology physician with a practice address in Boston, Massachusetts, and NPI 1720473523, issued on Mar 30, 2015. Check the license (Massachusetts MCS009939A, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Wei Zhang
- Credential
- MD. PHD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MCS009939A MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-5925
- Enumerated
- Mar 30, 2015
- Record last updated
- Sep 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20220912002815); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Wei Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license MCS009939ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average gastroenterology physician in 2024
184 Medicare Part D claims for 94 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Gavilyte-G69 claims
- Spironolactone14 claims
- Vemlidy12 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.
Industry payments in 2024: $38.41
2 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, 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.
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wei Zhang among 686 gastroenterology physician records in Massachusetts
Wei Zhang, MD. PHD 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 2015, is newer than 80% of them.
- NPI issued2015 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2005 · median 2004 among the 491 with a school on file
- Record last updated2023 · 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 Boston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Diane Abraczinskas, MDBoston, MA 021141811988488
- Karin Andersson, MDBoston, MA 021141972585511
- Bernard Aserkoff, MDBoston, MA 021141851381123
- Cheryl Bunker, MDBoston, MA 021141952384752
- Andrew Chan, M.D.Boston, MA 021141982600144
- Raymond Chung, MDBoston, MA 021141154311769
- Daniel Chung, MDBoston, MA 021141710978994
- Peter Kelsey, MDBoston, MA 021141255313383
Common questions
What is Wei Zhang, MD. PHD's NPI number?
Wei Zhang, MD. PHD's National Provider Identifier (NPI) is 1720473523, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Wei Zhang, MD. PHD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-5925. Providers update this record themselves, so call before visiting.
How can I verify Wei Zhang, MD. PHD's license?
NPPES lists Massachusetts license number MCS009939A, 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.
How much does Wei Zhang, MD. PHD prescribe under Medicare Part D?
In 2024, Wei Zhang, MD. PHD had 184 Medicare Part D claims for 94 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.