Yaniv Zager, MD
Colon & Rectal Surgery Physician · Worcester, MA
Yaniv Zager, MD is a colon & rectal surgery physician with a practice address in Worcester, Massachusetts, and NPI 1750167128, issued on Sep 1, 2023. Check the license (Massachusetts 1024390, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Yaniv Zager
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 1024390 MA
Self-reported in NPPES; status is on the state search - Practice location
- 67 Belmont St, Worcester, MA 01605
- Phone
- (508) 334-8195
- Enumerated
- Sep 1, 2023
- Record last updated
- Sep 29, 2025
- Fax
- (508) 334-8130
- Medicare enrollment
- Enrolled (PECOS I20250919002976); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 67 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Min Ahn, MDOtolaryngology Physician1255326112
- Karim Alavi, MDColon & Rectal Surgery Physician1497700777
- Tess AuletColon & Rectal Surgery Physician1619394764
- Carol Buonamano, RDRegistered Dietitian1467668509
- Mirret El-HagrassyNeurology Physician1144514688
- Carlos Fairen Oro, MDSurgery Physician1265041032
Verify Yaniv Zager in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1024390Check 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: $110.96
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 1,524 providers of this specialty with any payment received $3,468.16 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 one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colon & Rectal Surgery Physician providers in Massachusetts
There are 55 colon & rectal surgery physician records in Massachusetts.
Other colon & rectal surgery physician records in Massachusetts
- Karim Alavi, MDWorcester, MA1497700777
- Sonia Archer, M.D.Boston, MA1245285733
- Tess AuletWorcester, MA1619394764
- David Becker, MDCambridge, MA1164515151
- Olga Beresneva, M.D.Boston, MA1114345741
- Jonathan Bliggenstorfer, MDBurlington, MA1588195572
- Marcella Bradway, M.D.Pittsfield, MA1669478657
- Elizabeth Breen, MDBurlington, MA1649221458
- Lilian Chen, M.D.Boston, MA1780813055
- Amanda Cimsit, MDBoston, MA1750565693
Common questions
What is Yaniv Zager, MD's NPI number?
Yaniv Zager, MD's National Provider Identifier (NPI) is 1750167128, issued on Sep 1, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Yaniv Zager, MD located?
The NPPES record lists a practice address at 67 Belmont St, Worcester, MA, 01605. Phone: (508) 334-8195. Providers update this record themselves, so call before visiting.
How can I verify Yaniv Zager, MD's license?
NPPES lists Massachusetts license number 1024390, 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.