Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Yaniv Zager, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1750167128

Yaniv Zager, MD is a Colorectal Surgery (Proctology) in Worcester, Massachusetts. Qualified in 2016, 10 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
10
Licensed in
MA
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

67 Belmont St
Worcester, MA 01605-2657
Phone: (508) 334-8195
Fax: (508) 334-8130
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 2501 N Orange Ave Ste 235, Orlando, FL 32804-4659 — (321) 468-2656
  • 28 Newton St, Southborough, MA 01772-1215 — (508) 334-8195
  • 21 Eastern Ave, Worcester, MA 01605-3094 — (508) 334-8195

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 1024390 (MA)

Record details

NPI number1750167128
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 1, 2023
Last updated in NPPESSeptember 29, 2025
Certification dateSeptember 29, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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