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Internal Medicine

Luis M. Gonzalez-Peniza, MD

Works at hospitals in Mission, TX · Edinburg, TX · Texas

Summary

Dr. Luis M. Gonzalez-Peniza, MD is an internal medicine doctor at 110 E Savannah Ave, Bldg B Suite 203, McAllen, TX 78503. Phone: (956) 686-7611. Accepts Medicare assignment. In 2024, Luis M. Gonzalez-Peniza had 210 Original Medicare patients and 773 services. NPI 1154393817. 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: 110 E Savannah Ave, Bldg B Suite 203, McAllen, TX 78503 · Directions (1 more location)
  • Phone: (956) 686‑7611
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mission Regional Medical Center, South Texas Health System
  • Group practice: MD Hospitalists PLLC
  • Medical school: San Juan Bautista School Of Medicine · graduated 1986 (40 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Luis M. Gonzalez-Peniza, 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 Luis M. Gonzalez-Peniza accept Medicare assignment?
Yes. Medicare's clinician data says Luis M. Gonzalez-Peniza 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 Luis M. Gonzalez-Peniza see?
In 2024, CMS data shows 210 Original Medicare patients and 773 services for Luis M. Gonzalez-Peniza. This counts Original Medicare only and measures volume, not quality.
What is Luis M. Gonzalez-Peniza's NPI number?
1154393817. 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 Luis M. Gonzalez-Peniza, 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 patients210
Services billed to Medicare773
Different services or procedures8
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)320 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)197 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)117 services
  4. Hospital discharge day management, more than 30 minutes (99239)73 services
  5. Hospital discharge day management, 30 minutes or less (99238)48 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%
  • Diabetes70%
  • Chronic kidney disease61%
  • Ischemic heart disease60%
  • Arthritis59%

Hospitals where Luis M. Gonzalez-Peniza works

Medicare's Facility Affiliation Data lists Luis M. Gonzalez-Peniza 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 Luis M. Gonzalez-Peniza is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Luis M. Gonzalez-Peniza as a member of this group (CMS data updated October 2, 2026).

  • MD Hospitalists PLLC19 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in McAllen

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

All internal medicine doctors in McAllen →

Other clinicians in MD Hospitalists PLLC

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

Clinician information

CredentialMD
Medical schoolSan Juan Bautista School Of Medicine
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154393817
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