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Cardiac Surgery

Nana Toyoda, MD

Works at hospitals in Oklahoma City, OK · Oklahoma

Summary

Dr. Nana Toyoda, MD is a cardiac surgeon at 800 NE 10th St, Ouhp Stephenson Cancer Center, Oklahoma City, OK 73104. Phone: (405) 271-1112. Accepts Medicare assignment. In 2024, Nana Toyoda had 23 Original Medicare patients and 43 services. NPI 1942555743. 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.

  • Specialty: Cardiac surgeon (Medicare lists Cardiac Surgery)
  • Address: 800 NE 10th St, Ouhp Stephenson Cancer Center, Oklahoma City, OK 73104 · Directions
  • Phone: (405) 271‑1112
  • Medicare: Accepts Medicare assignment
  • Hospital: O U Medical Center
  • Group practice: OU Health Partners Inc
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nana Toyoda, 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 Nana Toyoda accept Medicare assignment?
Yes. Medicare's clinician data says Nana Toyoda 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 Nana Toyoda see?
In 2024, CMS data shows 23 Original Medicare patients and 43 services for Nana Toyoda. This counts Original Medicare only and measures volume, not quality.
What is Nana Toyoda's NPI number?
1942555743. 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 Nana Toyoda, 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 patients23
Services billed to Medicare43
Different services or procedures15
Participating Medicare providerYes
Average age of these patients77

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%
  • Ischemic heart disease75%
  • Chronic kidney disease57%
  • Heart failure57%
  • Diabetes48%

Hospitals where Nana Toyoda works

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

Group practices

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

  • OU Health Partners Inc1,184 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in Oklahoma →

Other cardiac surgeons in Oklahoma City

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

All cardiac surgeons in Oklahoma City →

Other clinicians in OU Health Partners Inc

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942555743
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