Doctor profile · Federal record
Dr. Christopher Riordan, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Toledo, OH
- NPI 1972509560
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2109 Hughes Dr, Suite 720
Toledo, OH 436063856
(419) 291-2077
fax (419) 291-2122
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- November 3, 2023
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State license (1)
- Ohio #35.072563
- Medicaid
- OH #2012762
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972509560. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
10
Medicare allowed
$171,272
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
33508 |
Harvest of vein using an endoscope | 55 | 55 | $16 | |
33533 |
Coronary artery bypass using artery graft, 1 graft | 51 | 51 | $1,698 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 48 | 48 | $214 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 45 | 45 | $171 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 31 | 22 | $49 | |
G0180 |
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 | 31 | 30 | $50 | |
33518 |
Coronary artery bypass using vein or artery graft, 2 grafts | 30 | 30 | $405 | |
33361 |
Replacement of aortic valve through the skin and femoral artery | 18 | 18 | $742 | |
33405 |
Replacement of aortic valve on heart-lung machine | 13 | 13 | $2,148 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $162 |
In context: peer comparison
Among 7 peers in Toledo Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 26. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$100
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Atricure, INC. | 1 | $43.08 | |
| Baxter Healthcare | 1 | $34.95 | |
| Ethicon US, LLC | 1 | $21.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
76
Patients
74
Total drug cost
$451
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mupirocin | Generic | 49 | 49 | $435 |
| Metoprolol Tartrate | Generic | 27 | 25 | $17 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Riordan's medical specialty?
Dr. Christopher Riordan practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Toledo, OH.
Where does Dr. Christopher Riordan practice?
Dr. Christopher Riordan practices at 2109 Hughes Dr, Toledo, OH 436063856. Office phone: 4192912077.
What is Dr. Christopher Riordan's NPI?
Dr. Christopher Riordan's National Provider Identifier (NPI) is 1972509560, issued by NPPES.
Does Dr. Christopher Riordan accept Medicare assignment?
Yes. Dr. Christopher Riordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Riordan commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.