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Internal Medicine

Justin Tolentino, DO

Works at hospitals in Dallas, TX · Honolulu, HI · Texas, Hawaii

Summary

Dr. Justin Tolentino, DO is an internal medicine doctor at 3500 Gaston Ave, Fl 1, Dallas, TX 75246. Phone: (972) 817-6100. Accepts Medicare assignment. In 2024, Justin Tolentino had 324 Original Medicare patients and 615 services. NPI 1013349414. 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 Justin Tolentino, 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 Justin Tolentino accept Medicare assignment?
Yes. Medicare's clinician data says Justin Tolentino 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 Justin Tolentino see?
In 2024, CMS data shows 324 Original Medicare patients and 615 services for Justin Tolentino. This counts Original Medicare only and measures volume, not quality.
What is Justin Tolentino's NPI number?
1013349414. 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 Justin Tolentino, 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 patients324
Services billed to Medicare615
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)314 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)215 services
  3. Hospital discharge day management, more than 30 minutes (99239)53 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)20 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%
  • Arthritis68%
  • Chronic kidney disease48%
  • Heart failure47%
  • Diabetes44%

Hospitals where Justin Tolentino works

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

Group practices

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

  • Healthtexas Provider Network2,697 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Dallas

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

All internal medicine doctors in Dallas →

Other clinicians in Healthtexas Provider Network

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

Clinician information

CredentialDO
Medical schoolMid West Medical College
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013349414
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