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Pathology

Mark A. Wasylenko, MD

Works at hospitals in Phoenix, AZ · Gilbert, AZ · Glendale, AZ · Arizona

Summary

Mark A. Wasylenko, MD (Pathology) is listed by Medicare at 3 hospitals in Phoenix, AZ, Gilbert, AZ and Glendale, AZ. NPI 1245207653. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark A. Wasylenko, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
University Of Missouri, Kansas City, School Of MedicineMedical school
MaleGender (as listed)
Pathology Specialist of Arizona, LLPGroup practice

Quick answers

Which hospitals does Mark A. Wasylenko work at?
Medicare's official clinician data lists Mark A. Wasylenko at 3 hospitals: Banner - University Medical Center Phoenix, Banner Gateway Medical Center and Banner Thunderbird Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Wasylenko see patients?
Medicare's clinician data lists 1 practice location in Mesa, AZ. Call before your visit to confirm the address.
What is Mark A. Wasylenko's specialty?
Medicare lists Pathology as the primary specialty.
Does Mark A. Wasylenko accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Wasylenko 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.
What is the phone number for Mark A. Wasylenko?
(602) 685-5211, as listed in official Medicare / NPI Registry data.
What is Mark A. Wasylenko's NPI number?
1245207653. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Wasylenko works

Medicare's Facility Affiliation Data lists Mark A. Wasylenko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mark A. Wasylenko is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark A. Wasylenko as a member of this group (CMS data updated 2026-10-02).

  • Pathology Specialist of Arizona, LLP71 clinicians in the group

Specialties

Find other Pathology doctors in Arizona →

Other pathologists in Mesa

Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.

All pathologists in Mesa →

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Kansas City, School Of Medicine
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245207653
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians