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Internal Medicine

Jesus A. Martinez Jr., MD

Works at hospitals in Stuart, FL · Sebring, FL · Fort Pierce, FL … · Florida

Summary

Dr. Jesus A. Martinez Jr., MD is an internal medicine doctor at 1700 S 23rd St, Lawnwood Regional Medical Center, Fort Pierce, FL 34950. Phone: (772) 461-4000. Accepts Medicare assignment. In 2024, Jesus A. Martinez Jr. had 283 Original Medicare patients and 924 services. NPI 1588616908. 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 Jesus A. Martinez Jr., 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 Jesus A. Martinez Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Jesus A. Martinez Jr. 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 Jesus A. Martinez Jr. see?
In 2024, CMS data shows 283 Original Medicare patients and 924 services for Jesus A. Martinez Jr.. This counts Original Medicare only and measures volume, not quality.
What is Jesus A. Martinez Jr.'s NPI number?
1588616908. 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 Jesus A. Martinez Jr., 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 patients283
Services billed to Medicare924
Different services or procedures7
Participating Medicare providerYes
Average age of these patients81

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)431 services
  2. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)232 services
  3. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)135 services
  4. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)75 services
  5. Nursing facility discharge management, more than 30 minutes (99316)34 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%
  • Arthritis65%
  • Depression55%
  • Ischemic heart disease48%
  • Anxiety48%

Hospitals where Jesus A. Martinez Jr. works

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

  • 1700 S 23rd St, Lawnwood Regional Medical CenterFort Pierce, FL 34950 (772) 461‑4000

Group practices

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

  • Hospital Medicine Services of Fl, LLC507 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Fort Pierce

Clinicians with the same Medicare primary specialty in Fort Pierce, FL — not a recommendation.

All internal medicine doctors in Fort Pierce →

Other clinicians in Hospital Medicine Services of Fl, LLC

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

Clinician information

CredentialMD
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588616908
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