Doctor profile · Federal record
Dr. Alexander Riordan, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Oak Creek, WI
- NPI 1972879534
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 E Ryan RD
Oak Creek, WI 531544563
(414) 570-3590 - Additional location
-
525 W River Woods Pkwy Ste 100
Glendale, WI 532121010
(414) 332-6262
fax (414) 332-0422 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- January 15, 2024
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Wisconsin #61300-20
- Medicaid
- WI #100034181
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972879534. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
435
Distinct HCPCS
9
Medicare allowed
$41,090
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 212 | 39 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 60 | 54 | $119 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $156 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 29 | 23 | $95 | |
20610 |
Aspiration and/or injection of fluid from large joint | 22 | 20 | $66 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 19 | $157 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 16 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $163 | |
27130 |
Replacement of thigh bone and hip joint with prosthesis | 13 | 13 | $1,166 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 48. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$170
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $169.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
67
Patients
54
Total drug cost
$989
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 21 | 20 | $66 |
| Celecoxib | Generic | 18 | 11 | $756 |
| Oxycodone Hcl | Generic | 17 | 12 | $79 |
| Methylprednisolone | Generic | 11 | 11 | $88 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexander Riordan's medical specialty?
Dr. Alexander Riordan practices Orthopaedic Surgery Physician in Oak Creek, WI.
Where does Dr. Alexander Riordan practice?
Dr. Alexander Riordan practices at 200 E Ryan RD, Oak Creek, WI 531544563. Office phone: 4145703590.
What is Dr. Alexander Riordan's NPI?
Dr. Alexander Riordan's National Provider Identifier (NPI) is 1972879534, issued by NPPES.
Does Dr. Alexander Riordan accept Medicare assignment?
Yes. Dr. Alexander Riordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Riordan commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.