Are you Dr. Riordan? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in Toledo, OH, Christopher Riordan, MD is listed in the NPI registry under thoracic surgery (cardiothoracic). Christopher graduated from University of Connecticut School of Medicine in 1989. According to Medicare claims data, Christopher cared for 300 Medicare patients across 309 services. The services billed most often include coronary artery bypass using artery graft, 1 graft, harvest of vein using an endoscope, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1972509560 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2109 HUGHES DR SUITE 720
Toledo, OH 43606
Within Thoracic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
Fluid drainage
Heart lining
Lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
309 services · 300 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
59 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Harvest of vein using an endoscope | Procedure | 33508 |
59 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
33 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Coronary artery bypass using vein or artery graft, 3 grafts | Procedure | 33519 |
13 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
47 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
38 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
35 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
25 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Riordan is a thoracic surgery (cardiothoracic) in Toledo, OH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Riordan is listed at 2109 Hughes Dr Suite 720, Toledo, OH 43606. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (419) 291-2077. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Riordan's National Provider Identifier is 1972509560. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Riordan attended University of Connecticut School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
Dr. Riordan has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Riordan performs procedures including coronary artery bypass using artery graft, 1 graft, harvest of vein using an endoscope and coronary artery bypass using vein or artery graft, 2 grafts, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Riordan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.