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Internal Medicine

Lisa D. Ortiz, MD

Works at hospitals in Talihina, OK · Oklahoma

Summary

Lisa D. Ortiz, MD (Internal Medicine) is listed by Medicare at 1 hospital in Talihina, OK. NPI 1275743684. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa D. Ortiz, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
Wayne State University School Of MedicineMedical school
FemaleGender (as listed)
Choctaw Nation of OklahomaGroup practice

Quick answers

Which hospitals does Lisa D. Ortiz work at?
Medicare's official clinician data lists Lisa D. Ortiz at 1 hospital: Choctaw Nation Health Services Authority. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lisa D. Ortiz see patients?
Medicare's clinician data lists 1 practice location in Idabel, OK. Call before your visit to confirm the address.
What is Lisa D. Ortiz's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Lisa D. Ortiz accept Medicare assignment?
Yes. Medicare's clinician data says Lisa D. Ortiz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Lisa D. Ortiz?
(539) 316-6391, as listed in official Medicare / NPI Registry data.
What is Lisa D. Ortiz's NPI number?
1275743684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lisa D. Ortiz works

Medicare's Facility Affiliation Data lists Lisa D. Ortiz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lisa D. Ortiz is enrolled with Medicare (CMS data updated 2026-10-02).

  • 902 Lincoln Rd, Choctaw National Health Care IdabelIdabel, OK 74745 (539) 316‑6391

Group practices

Medicare enrollment lists Lisa D. Ortiz as a member of this group (CMS data updated 2026-10-02).

  • Choctaw Nation of Oklahoma267 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oklahoma →

Other internal medicine doctors in Oklahoma

Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.

All internal medicine doctors in Oklahoma →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275743684
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians