Physician Profile
Unclaimed ProfileAbout CHANG
Based in Alhambra, CA, Jonathan Chang, M.D is listed in the NPI registry under orthopedic surgery. Jonathan graduated from Duke University School of Medicine in 1984. Jonathan is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Jonathan cared for 1,931 Medicare patients across 6,647 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 458-6653
- Email not available
Practice Locations
707 S GARFIELD AVE
Alhambra, CA 91801
Procedures Most Often Billed to Medicare
6,647 services · 1,931 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
139 |
| Application of elbow to finger cast | Procedure | 29075 |
16 |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
11 |
| X-ray of knee, 1-2 views | Imaging | 73560 |
250 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
48 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
42 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
40 |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
34 |
| X-ray of knee, 3 views | Imaging | 73562 |
20 |
| X-ray of pelvis, 1-2 views | Imaging | 72170 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Duke University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Chang's specialty?
Dr. Chang is an orthopedic surgeon in Alhambra, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where can I find Dr. Chang?
Dr. Chang is listed at 707 S GARFIELD AVE, Alhambra, CA 91801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chang?
The number on file is (626) 458-6653. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chang's NPI number?
Dr. Chang's National Provider Identifier is 1104824556. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chang's medical education?
Dr. Chang attended Duke University School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chang known for?
According to Medicare billing data, Dr. Chang performs procedures including aspiration and/or injection of fluid from large joint, application of elbow to finger cast and aspiration and/or injection of fluid large joint using ultrasound guidance; reads or performs imaging such as x-ray of knee, 1-2 views and x-ray of foot, minimum of 3 views; provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes and therapy procedure using manual technique, each 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.