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Surgical Oncology

Zachary E. Stiles, DO

Sees patients in Buffalo, NY · New York

Summary

Zachary E. Stiles, DO (Surgical Oncology) is enrolled with Medicare at 1 practice location in Buffalo, NY. NPI 1861810988. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(716) 845‑2300 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary E. Stiles, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

1Practice location
Surgical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
12Years since medical school (graduated 2014)
MaleGender (as listed)
Roswell Park Cancer InstituteGroup practice

Quick answers

Where does Zachary E. Stiles see patients?
Medicare's clinician data lists 1 practice location in Buffalo, NY. Call before your visit to confirm the address.
What is Zachary E. Stiles's specialty?
Medicare lists Surgical Oncology as the primary specialty, and also General Surgery.
Does Zachary E. Stiles accept Medicare assignment?
Yes. Medicare's clinician data says Zachary E. Stiles accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Zachary E. Stiles offer telehealth?
Medicare's clinician data says Zachary E. Stiles offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Zachary E. Stiles?
(716) 845-2300, as listed in official Medicare / NPI Registry data.
What is Zachary E. Stiles's NPI number?
1861810988. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Zachary E. Stiles is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Zachary E. Stiles as a member of this group (CMS data updated 2026-10-02).

  • Roswell Park Cancer Institute488 clinicians in the group

Specialties

Find other Surgical Oncology doctors in New York →

Other surgical oncologists in Buffalo

Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.

All surgical oncologists in Buffalo →

Clinician information

CredentialDO
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1861810988
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians