Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Chad J. Hyer, MD

Works at hospitals in Lima, OH · Bellefontaine, OH · Marysville, OH … · Ohio

Summary

Dr. Chad J. Hyer, MD is a cardiologist at 1145 Olentangy River Rd, Columbus, OH 43212. Phone: (614) 293-5066. Accepts Medicare assignment. In 2024, Chad J. Hyer had 279 Original Medicare patients and 453 services. NPI 1548791627. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 1145 Olentangy River Rd, Columbus, OH 43212 · Directions (18 more locations)
  • Phone: (614) 293‑5066
  • Medicare: Accepts Medicare assignment
  • Hospitals: Lima Memorial Health System, Mary Rutan Hospital, Memorial Hospital and 1 more
  • Group practice: OSU Internal Medicine LLC
  • Medical school: Wright State University Boonshoft School Of Medicine · graduated 2017 (9 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 Chad J. Hyer, 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 Chad J. Hyer accept Medicare assignment?
Yes. Medicare's clinician data says Chad J. Hyer 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 Chad J. Hyer see?
In 2024, CMS data shows 279 Original Medicare patients and 453 services for Chad J. Hyer. This counts Original Medicare only and measures volume, not quality.
What is Chad J. Hyer's NPI number?
1548791627. 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 Chad J. Hyer, 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 patients279
Services billed to Medicare453
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)106 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)43 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)21 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)19 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%
  • Ischemic heart disease58%
  • Arthritis52%
  • Atrial fibrillation43%
  • Chronic kidney disease42%

Hospitals where Chad J. Hyer works

Medicare's Facility Affiliation Data lists Chad J. Hyer 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.

  • Lima Memorial Health SystemLima, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360009
  • Mary Rutan HospitalBellefontaine, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360197
  • Memorial HospitalMarysville, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360092
  • Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085

Practice locations

Addresses where Chad J. Hyer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 19; the Medicare profile lists all.

Group practices

Medicare enrollment lists Chad J. Hyer as a member of this group (CMS data updated October 2, 2026).

  • OSU Internal Medicine LLC1,161 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Ohio →

Other cardiologists in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

All cardiologists in Columbus →

Other clinicians in OSU Internal Medicine LLC

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

Clinician information

CredentialMD
Medical schoolWright State University Boonshoft School Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548791627
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