Doctor profile · Federal record
Dr. Thomas Greenwald, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Ames, IA
- NPI 1497743314
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1215 Duff Ave
Ames, IA 500103014
(515) 239-4475
fax (515) 239-4722
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- November 13, 2020
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Iowa #28613
- Medicaid
- IA #0087460
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497743314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,052
Distinct HCPCS
9
Medicare allowed
$103,466
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 3,448 | 170 | $1 | |
20610 |
Aspiration and/or injection of fluid from large joint | 332 | 177 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 119 | 104 | $118 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $155 | |
27447 |
Replacement of knee joint, both sides of knee | 27 | 24 | $1,159 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 24 | $83 | |
29826 |
Shaving of part of shoulder bone and repair of ligament using an endoscope | 20 | 19 | $158 | |
29827 |
Repair of shoulder rotator cuff using an endoscope | 18 | 17 | $990 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $123 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 1,077. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$1,191
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Arthrex, Inc. | 1 | $1,013.91 | |
| Stryker Corporation | 5 | $176.94 |
By nature of payment
Frequently asked questions
What is Dr. Thomas Greenwald's medical specialty?
Dr. Thomas Greenwald practices Orthopaedic Surgery Physician in Ames, IA.
Where does Dr. Thomas Greenwald practice?
Dr. Thomas Greenwald practices at 1215 Duff Ave, Ames, IA 500103014. Office phone: 5152394475.
What is Dr. Thomas Greenwald's NPI?
Dr. Thomas Greenwald's National Provider Identifier (NPI) is 1497743314, issued by NPPES.
Does Dr. Thomas Greenwald accept Medicare assignment?
Yes. Dr. Thomas Greenwald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Greenwald commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.