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Neurology

Mateja De Leonni Stanonik, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Dr. Mateja De Leonni Stanonik, MD is a neurologist at 2850 E Skyline Dr, Suite 130, Tucson, AZ 85718. Phone: (520) 638-5757. Accepts Medicare assignment. In 2024, Mateja De Leonni Stanonik had 475 Original Medicare patients and 22,931 services. NPI 1730344102. 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 Mateja De Leonni Stanonik, 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 Mateja De Leonni Stanonik accept Medicare assignment?
Yes. Medicare's clinician data says Mateja De Leonni Stanonik 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 Mateja De Leonni Stanonik see?
In 2024, CMS data shows 475 Original Medicare patients and 22,931 services for Mateja De Leonni Stanonik. This counts Original Medicare only and measures volume, not quality.
What is Mateja De Leonni Stanonik's NPI number?
1730344102. 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 Mateja De Leonni Stanonik, 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 patients475
Services billed to Medicare22,931
Different services or procedures46
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, onabotulinumtoxina, 1 unit (J0585)10,261 services
  2. Injection, methylprednisolone sodium succinate, 5 mg (J2919)8,704 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)696 services
  4. Injection, methylprednisolone sodium succinate, up to 40 mg (J2920)536 services
  5. Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month (99491)419 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 cholesterol75%
  • High blood pressure69%
  • Arthritis60%
  • Depression37%
  • Anxiety30%
  • Alzheimer's disease or dementia29%

Hospitals where Mateja De Leonni Stanonik works

Medicare's Facility Affiliation Data lists Mateja De Leonni Stanonik 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.

  • St Joseph's HospitalTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030011
  • Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006

Practice locations

Addresses where Mateja De Leonni Stanonik is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Neurology doctors in Arizona →

Other neurologists in Tucson

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

All neurologists in Tucson →

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730344102
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