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Advanced Heart Failure and Transplant Cardiology

Alexander Hajduczok, MD

Works at hospitals in Tulsa, OK · Oklahoma

Summary

Dr. Alexander Hajduczok, MD is a heart failure and transplant cardiologist at 1265 S Utica Ave, Suite 300, Tulsa, OK 74104. Phone: (918) 592-0999. Accepts Medicare assignment. NPI 1447742101. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Heart failure and transplant cardiologist (Medicare lists Advanced Heart Failure and Transplant Cardiology)
  • Address: 1265 S Utica Ave, Suite 300, Tulsa, OK 74104 · Directions
  • Phone: (918) 592‑0999
  • Medicare: Accepts Medicare assignment
  • Hospital: Hillcrest Medical Center
  • Group practice: Ahs Oklahoma Heart LLC
  • Medical school: Univ Of Rochester School Of Dental Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander Hajduczok, 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 Alexander Hajduczok accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Hajduczok 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 Alexander Hajduczok's NPI number?
1447742101. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Hajduczok works

Medicare's Facility Affiliation Data lists Alexander Hajduczok at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370001

Practice locations

Addresses where Alexander Hajduczok is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Ahs Oklahoma Heart LLC132 clinicians in the group

Specialties

Find other Advanced Heart Failure and Transplant Cardiology doctors in Oklahoma →

Other heart failure and transplant cardiologists in Tulsa

Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.

All heart failure and transplant cardiologists in Tulsa →

Other clinicians in Ahs Oklahoma Heart LLC

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

Clinician information

CredentialMD
Medical schoolUniv Of Rochester School Of Dental Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447742101
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians