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Nephrology

Melissa Aleta, MD

Works at hospitals in Ballinger, TX · Eden, TX · Brownwood, TX … · Texas

Summary

Dr. Melissa Aleta, MD is a nephrologist at 220 E Harris Ave, San Angelo, TX 76903. Phone: (325) 747-1511. Accepts Medicare assignment. In 2024, Melissa Aleta had 515 Original Medicare patients and 1,879 services. NPI 1255696522. 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 Melissa Aleta, 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 Melissa Aleta accept Medicare assignment?
Yes. Medicare's clinician data says Melissa Aleta 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 Melissa Aleta see?
In 2024, CMS data shows 515 Original Medicare patients and 1,879 services for Melissa Aleta. This counts Original Medicare only and measures volume, not quality.
What is Melissa Aleta's NPI number?
1255696522. 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 Melissa Aleta, 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 patients515
Services billed to Medicare1,879
Different services or procedures35
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)382 services
  2. Insertion of needle into vein for collection of blood sample (36415)336 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)336 services
  4. Hemodialysis procedure with physician evaluation (90935)210 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)127 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%
  • Chronic kidney disease75%
  • Diabetes62%
  • Arthritis49%
  • Heart failure48%

Hospitals where Melissa Aleta works

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

Group practices

Medicare enrollment lists Melissa Aleta as a member of this group (CMS data updated October 2, 2026).

  • Shannon Clinic559 clinicians in the group

Specialties

Find other Nephrology doctors in Texas →

Other nephrologists in San Angelo

Clinicians with the same Medicare primary specialty in San Angelo, TX — not a recommendation.

All nephrologists in San Angelo →

Other clinicians in Shannon Clinic

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255696522
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