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Urology

Louis A. Aliperti, MD

Works at hospitals in Alton, IL · Maryville, IL · O Fallon, IL … · Illinois, Missouri

Summary

Dr. Louis A. Aliperti, MD is a urologist at 12855 N 40 Dr, Suite 375, Saint Louis, MO 63141. Phone: (314) 567-6071. Accepts Medicare assignment. In 2024, Louis A. Aliperti had 593 Original Medicare patients and 9,966 services. NPI 1861810350. 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 Louis A. Aliperti, 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 Louis A. Aliperti accept Medicare assignment?
Yes. Medicare's clinician data says Louis A. Aliperti 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 Louis A. Aliperti see?
In 2024, CMS data shows 593 Original Medicare patients and 9,966 services for Louis A. Aliperti. This counts Original Medicare only and measures volume, not quality.
What is Louis A. Aliperti's NPI number?
1861810350. 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 Louis A. Aliperti, 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 patients593
Services billed to Medicare9,966
Different services or procedures100
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)3,409 services
  2. Automated urinalysis test (81003)858 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)745 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)490 services
  5. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)429 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%
  • Arthritis48%
  • Ischemic heart disease36%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)33%
  • Diabetes30%

Hospitals where Louis A. Aliperti works

Medicare's Facility Affiliation Data lists Louis A. Aliperti 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.

  • Alton Memorial HospitalAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140002
  • Anderson HospitalMaryville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140289
  • HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187
  • Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
  • St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179

Practice locations

Addresses where Louis A. Aliperti is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Louis A. Aliperti as a member of this group (CMS data updated October 2, 2026).

  • Urology of St Louis Inc94 clinicians in the group

Specialties

Find other Urology doctors in Missouri →

Other urologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All urologists in Saint Louis →

Other clinicians in Urology of St Louis Inc

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1861810350
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