Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Zakaria Tawadrous, MD

Sees patients in Mesa, AZ · Arizona

Summary

Dr. Zakaria Tawadrous, MD is an internal medicine doctor at 7227 E Baseline Rd, Suite 126, Mesa, AZ 85209. Phone: (480) 868-9650. Accepts Medicare assignment. In 2024, Zakaria Tawadrous had 349 Original Medicare patients and 631 services. NPI 1336290444. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 7227 E Baseline Rd, Suite 126, Mesa, AZ 85209 · Directions
  • Phone: (480) 868‑9650
  • Medicare: Accepts Medicare assignment
  • Group practice: Atlas Medical Aco LLC (+1 more)
  • Medical school: graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zakaria Tawadrous, 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 Zakaria Tawadrous accept Medicare assignment?
Yes. Medicare's clinician data says Zakaria Tawadrous 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 Zakaria Tawadrous see?
In 2024, CMS data shows 349 Original Medicare patients and 631 services for Zakaria Tawadrous. This counts Original Medicare only and measures volume, not quality.
What is Zakaria Tawadrous's NPI number?
1336290444. 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 Zakaria Tawadrous, 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 patients349
Services billed to Medicare631
Different services or procedures11
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)162 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)131 services
  3. Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)117 services
  4. Hospital discharge day management, more than 30 minutes (99239)95 services
  5. Advance care planning, first 30 minutes (99497)54 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%
  • Arthritis57%
  • Ischemic heart disease50%
  • Anxiety50%
  • Chronic kidney disease48%

Practice locations

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

Group practices

Medicare enrollment lists Zakaria Tawadrous as a member of these groups (CMS data updated October 2, 2026).

  • Atlas Medical Aco LLC52 clinicians in the group
  • Century Care Inc52 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Mesa

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

All internal medicine doctors in Mesa →

Other clinicians in Atlas Medical Aco LLC

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

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336290444
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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