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Internal Medicine

Tirso J. Aldana, MD

Works at hospitals in Fredericktown, MO · Potosi, MO · Missouri

Summary

Dr. Tirso J. Aldana, MD is an internal medicine doctor at 300 Health Way Dr, Potosi, MO 63664. Phone: (573) 438-5451. Accepts Medicare assignment. In 2024, Tirso J. Aldana had 119 Original Medicare patients and 175 services. NPI 1356305684. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 300 Health Way Dr, Potosi, MO 63664 · Directions (1 more location)
  • Phone: (573) 438‑5451
  • Medicare: Accepts Medicare assignment
  • Hospitals: Madison Medical Center, Washington County Memorial Hospital
  • Group practice: Madison Medical Center Stockhoff Memorial Nursing Home (+1 more)
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Tirso J. Aldana, 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 Tirso J. Aldana accept Medicare assignment?
Yes. Medicare's clinician data says Tirso J. Aldana 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 Tirso J. Aldana see?
In 2024, CMS data shows 119 Original Medicare patients and 175 services for Tirso J. Aldana. This counts Original Medicare only and measures volume, not quality.
What is Tirso J. Aldana's NPI number?
1356305684. 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 Tirso J. Aldana, 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 patients119
Services billed to Medicare175
Different services or procedures10
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)72 services
  2. Emergency department visit with moderate level of medical decision making (99284)44 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)43 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%
  • Arthritis60%
  • Anxiety55%
  • Ischemic heart disease50%
  • Depression43%

Hospitals where Tirso J. Aldana works

Medicare's Facility Affiliation Data lists Tirso J. Aldana 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 Tirso J. Aldana is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tirso J. Aldana as a member of these groups (CMS data updated October 2, 2026).

  • Madison Medical Center Stockhoff Memorial Nursing Home21 clinicians in the group
  • Potosi Emergency Group, LLC19 clinicians in the group

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Missouri

Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.

All internal medicine doctors in Missouri →

Other clinicians in Madison Medical Center Stockhoff Memorial Nursing Home

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356305684
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