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Internal Medicine

Zachary D. Burkhart, MD

Works at hospitals in Chandler, AZ · Mesa, AZ · Phoenix, AZ · Arizona

Summary

Dr. Zachary D. Burkhart, MD is an internal medicine doctor at 4530 E Muirwood Dr, Suite 105, Phoenix, AZ 85048. Phone: (480) 961-2303. Accepts Medicare assignment. In 2024, Zachary D. Burkhart had 559 Original Medicare patients and 1,182 services. NPI 1831696384. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary D. Burkhart, 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 Zachary D. Burkhart accept Medicare assignment?
Yes. Medicare's clinician data says Zachary D. Burkhart 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.
How many Medicare patients does Zachary D. Burkhart see?
In 2024, CMS data shows 559 Original Medicare patients and 1,182 services for Zachary D. Burkhart. This counts Original Medicare only and measures volume, not quality.
What is Zachary D. Burkhart's NPI number?
1831696384. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Zachary D. Burkhart, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients559
Services billed to Medicare1,182
Different services or procedures9
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)503 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)209 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)203 services
  4. Hospital discharge day management, more than 30 minutes (99239)191 services
  5. Advance care planning, first 30 minutes (99497)44 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis56%
  • Ischemic heart disease56%
  • Chronic kidney disease52%
  • Diabetes46%

Hospitals where Zachary D. Burkhart works

Medicare's Facility Affiliation Data lists Zachary D. Burkhart 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.

Practice locations

Addresses where Zachary D. Burkhart is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary D. Burkhart as a member of this group (CMS data updated October 2, 2026).

  • Aia Hospitalists LLC53 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Phoenix

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

All internal medicine doctors in Phoenix →

Other clinicians in Aia Hospitalists LLC

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831696384
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians