Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JONATHAN TWU M.D.
NPI 1629417290
Orthopaedic Surgery in Naperville, IL

Q: What is Jonathan Twu's NPI number?

The NPI number for Jonathan Twu is 1629417290. It was assigned to this individual provider in the NPPES registry on June 17, 2013.

Q: What is Jonathan Twu's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Jonathan Twu was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 17, 2013PECOS EnrolledAccepts Medicare Assignment

100 SPALDING DR STE 300, NAPERVILLE, IL 60540(630) 456-7631 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2026, Aug 28, 2023, Apr 7, 2021 and 1 more (4 updates tracked since 2019).

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About Dr. Jonathan Twu M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONATHAN TWU M.D. (NPI 1629417290) is an individual orthopaedic surgery provider in Naperville, Illinois, licensed in Illinois (125-062644) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1629417290

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. JONATHAN TWUCredential: M.D.

Location Address100 SPALDING DR STE 300Naperville, IL 60540-6553

Mailing AddressPo Box 713260Chicago, IL 60677-1260 · (630) 469-2000

Phone(630) 456-7631

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2013

Enumeration DateJune 17, 2013

Last NPPES UpdateSeptember 29, 20264 updates tracked since enumeration

NPPES CertifiedAugust 28, 2023

✔ NPI 1629417290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in IL · 125-062644

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

100 SPALDING DR STE 300, Naperville, IL 60540

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Secondary Practice Location 1

Location 15841 S Maryland Ave, MC 3079Chicago, IL 60637-1447 · Phone (773) 834-2858

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jonathan Twu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911200373

PECOS Enrollment IDI20190710000611

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jonathan Twu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dupage Medical Group Ltd

8.6 mi

Multi-Specialty

1100 W 31ST ST, STE 300
Downers Grove, IL 60515

Reassigned Medicare billing, Illinois enrollment
1,061 clinicians in this Medicare group

NPI 1801833983 (630) 469-9200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

646 services150 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

254 services188 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

185 services152 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

167 services109 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

127 services83 patients

Aspiration and/or injection of fluid from small joint 20600

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

110 services70 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

82 services82 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

61 services41 patients

X-ray of finger, minimum of 2 views 73140

An X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.

55 services42 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

47 services47 patients

Release and/or relocation of hand nerve 64721

This procedure involves adjusting or moving a nerve in your hand to alleviate discomfort or improve function. The nerve may be compressed, causing pain or numbness. By releasing or relocating the nerve, these symptoms can be reduced, enhancing hand usage.

43 services37 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

22 services21 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

18 services18 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

18 services12 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

17 services16 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

16 services11 patients

Repair of tendon, finger, and/or palm of hand 26145

This procedure involves fixing damaged tendons in your finger or palm. Tendons connect muscles to bones, enabling movement. When injured, they require surgical repair to restore function. You'll be under anesthesia, and a surgeon will make small incisions to access and mend the tendon.

14 services11 patients

Removal of bone joints between wrist and fingers 25447

This procedure involves the surgical removal of bone joints between your wrist and fingers. It's typically done to relieve pain or restore function due to conditions like arthritis. After removal, the space may be filled with a graft or artificial joint.

12 services11 patients

Transfer of tendon to back of hand 26480

A transfer of tendon to the back of the hand is a surgical procedure aimed at improving hand function. It involves moving a healthy tendon from one area to another to replace a damaged or non-functioning one, helping to restore movement and strength.

12 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908

DME-Orthotic Devices · category DF000N

2 suppliers30 claims35 services$47.40 avg. paid by Medicare

Hand finger orthosis, without joints, may include soft interface, straps, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L3923

DME-Orthotic Devices · category DF000N

2 suppliers37 claims42 services$69.82 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

POOJAN NILESH PATEL PA-C

Physician Assistant