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Hematology/Oncology

Shelby Mestnik, DO

Sees patients in Aurora, CO · Colorado

Summary

Dr. Shelby Mestnik, DO is a hematologist-oncologist at 13123 E 16th Ave, Aurora, CO 80045. Phone: (720) 777-1234. Accepts Medicare assignment. NPI 1356908909. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 13123 E 16th Ave, Aurora, CO 80045 · Directions
  • Phone: (720) 777‑1234
  • Medicare: Accepts Medicare assignment
  • Group practice: University Physicians Incorporated
  • Medical school: Rocky Vista University College Of Osteopathic Med · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shelby Mestnik, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Shelby Mestnik accept Medicare assignment?
Yes. Medicare's clinician data says Shelby Mestnik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Shelby Mestnik's NPI number?
1356908909. 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 Shelby Mestnik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shelby Mestnik as a member of this group (CMS data updated October 2, 2026).

  • University Physicians Incorporated3,215 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Colorado →

Other hematologist-oncologists in Aurora

Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.

All hematologist-oncologists in Aurora →

Other clinicians in University Physicians Incorporated

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolRocky Vista University College Of Osteopathic Med
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356908909
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 October 2, 2026, retrieved October 29, 2026
  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