Doctor profile · Federal record
Dr. Jonathan Twu, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Naperville, IL
- NPI 1629417290
- Accepts Medicare
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 Spalding Dr Ste 300
Naperville, IL 605406553
(630) 456-7631 - Additional location
-
5841 S Maryland Ave, Mc 3079
Chicago, IL 606371447
(773) 834-2858 - Mailing address
-
Po Box 713260
Chicago, IL 606771260
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- August 28, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Illinois #125-062644
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629417290. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,737
Distinct HCPCS
10
Medicare allowed
$108,921
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 659 | 158 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 243 | 176 | $94 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 165 | 137 | $132 | |
73110 |
X-ray of wrist, minimum of 3 views | 124 | 83 | $46 | |
20550 |
Injection into tendon or ligament | 114 | 79 | $54 | |
20600 |
Aspiration and/or injection of fluid from small joint | 99 | 71 | $56 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $168 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 43 | 43 | $118 | |
64721 |
Release and/or relocation of hand nerve | 42 | 36 | $422 | |
73130 |
X-ray of hand, minimum of 3 views | 39 | 29 | $41 |
In context: peer comparison
Among 4 peers in Naperville Orthopaedic Surgery Physician, average services per provider: 88. This provider delivers 20× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
12
Total drug cost
$66
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 12 | $66 |
Frequently asked questions
What is Dr. Jonathan Twu's medical specialty?
Dr. Jonathan Twu practices Orthopaedic Surgery Physician in Naperville, IL.
Where does Dr. Jonathan Twu practice?
Dr. Jonathan Twu practices at 100 Spalding Dr Ste 300, Naperville, IL 605406553. Office phone: 6304567631.
What is Dr. Jonathan Twu's NPI?
Dr. Jonathan Twu's National Provider Identifier (NPI) is 1629417290, issued by NPPES.
Does Dr. Jonathan Twu accept Medicare assignment?
Yes. Dr. Jonathan Twu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Twu 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 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.