Physician Profile
Tony L. Chang, MD practices family medicine — sports medicine in Redding, CA. According to Medicare claims data, Tony cared for 3,813 Medicare patients across 24,705 services. The services billed most often include hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg, injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg, and hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg. The provider's National Provider Identifier (NPI) is 1871784678.
Factual summary compiled by Guide.md from public records; not written by this provider.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1255 LIBERTY STREET
Redding, CA 96001
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
24,705 services · 3,813 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
981 | More than most peers in Family Medicine — Sports Medicine |
| Injection of contrast for imaging of shoulder joint | Procedure | 23350 |
165 | Too few peers to compare |
| Injection of contrast for imaging of hip joint | Procedure | 27093 |
93 | Too few peers to compare |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
76 | As often as other peers in Family Medicine — Sports Medicine |
| Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance | Procedure | 27096 |
72 | Too few peers to compare |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | Procedure | 64484 |
53 | Too few peers to compare |
| X-ray of knee, 4 or more views | Imaging | 73564 |
165 | More often than most peers in Family Medicine — Sports Medicine |
| Review by radiologist of shoulder joint image | Imaging | 73040 |
164 | Too few peers to compare |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
140 | More than most peers in Family Medicine — Sports Medicine |
| Review by radiologist of hip joint image | Imaging | 73525 |
93 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is a family doctor in Redding, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine — Sports Medicine”.
NPI registry
Dr. Chang is listed at 1255 Liberty Street, Redding, CA 96001. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (530) 246-2467. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chang's National Provider Identifier is 1871784678. 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
Dr. Chang attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, injection of contrast for imaging of shoulder joint and injection of contrast for imaging of hip joint; reads or performs imaging such as x-ray of knee, 4 or more views and review by radiologist of shoulder joint image, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
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.
Guide.md
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