Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Luis A. Reynoso, MD

Works at hospitals in Harlingen, TX · Texas

Summary

Dr. Luis A. Reynoso, MD is an internal medicine doctor at 629 Kaimali Dr, Harlingen, TX 78550. Phone: (956) 425-7800. Accepts Medicare assignment. In 2024, Luis A. Reynoso had 270 Original Medicare patients and 4,454 services. NPI 1063402741. 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 Luis A. Reynoso, 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 A. Reynoso accept Medicare assignment?
Yes. Medicare's clinician data says Luis A. Reynoso 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 A. Reynoso see?
In 2024, CMS data shows 270 Original Medicare patients and 4,454 services for Luis A. Reynoso. This counts Original Medicare only and measures volume, not quality.
What is Luis A. Reynoso's NPI number?
1063402741. 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 A. Reynoso, 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 patients270
Services billed to Medicare4,454
Different services or procedures64
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)502 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)443 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)305 services
  4. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)246 services
  5. Injection of drug or substance under skin or into muscle (96372)241 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%
  • Diabetes49%
  • Arthritis42%
  • COPD42%
  • Ischemic heart disease41%

Hospitals where Luis A. Reynoso works

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

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Harlingen

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

All internal medicine doctors in Harlingen →

Clinician information

CredentialMD
Graduation year1986 (40 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063402741
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