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Internal Medicine

Travis T. Yamanaka, MD

Sees patients in Harvey, IL · Olympia Fields, IL · Illinois

Summary

Dr. Travis T. Yamanaka, MD is an internal medicine doctor at 1 Ingalls Dr, Harvey, IL 60426. Phone: (708) 333-2300. Accepts Medicare assignment. NPI 1780827659. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1 Ingalls Dr, Harvey, IL 60426 · Directions (1 more location)
  • Phone: (708) 333‑2300
  • Medicare: Accepts Medicare assignment
  • Group practice: Cep America Illinois Intensivists (+1 more)
  • Medical school: Rush Medical College Of Rush University · graduated 2009 (17 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Travis T. Yamanaka, 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 Travis T. Yamanaka accept Medicare assignment?
Yes. Medicare's clinician data says Travis T. Yamanaka 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.
What is Travis T. Yamanaka's NPI number?
1780827659. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Travis T. Yamanaka is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Travis T. Yamanaka as a member of these groups (CMS data updated October 2, 2026).

  • Cep America Illinois Intensivists48 clinicians in the group
  • Hospitalist Physicians of Illinois, P.C.13 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Harvey

Clinicians with the same Medicare primary specialty in Harvey, IL — not a recommendation.

All internal medicine doctors in Harvey →

Other clinicians in Cep America Illinois Intensivists

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

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780827659
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians