Doctor profile · Federal record
Dr. Tony Chang, MD
Sports Medicine (Family Medicine) Physician (CMS: Family Practice) · Redding, CA
- NPI 1871784678
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1255 Liberty Street
Redding, CA 960010814
(530) 246-2467
fax (530) 242-9460 - Mailing address
-
Po Box 991950
Redding, CA 960991950
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- October 9, 2013
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207QS0010X — NUCC code
- State license (1)
- California #A100732
- Medicaid
- CA #1871784678
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871784678. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
26,606
Distinct HCPCS
10
Medicare allowed
$799,244
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7329 |
Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | 11,850 | 124 | $9 | |
J3304 |
Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg | 4,096 | 91 | $17 | |
J7331 |
Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg | 2,100 | 31 | $24 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,534 | 425 | $0 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 1,112 | 437 | $7 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 866 | 234 | $94 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 790 | 420 | $91 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 752 | 76 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 733 | 429 | $130 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 285 | 285 | $168 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 502. This provider delivers 53× the peer median.Open Payments
Industry payments received
All-time total
$105
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pacira Pharmaceuticals Incorporated | 4 | $88.02 | |
| Bioventus LLC | 1 | $17.21 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
95
Patients
47
Total drug cost
$1,834
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 75 | 34 | $1,046 |
| Diclofenac Potassium | Generic | 20 | 13 | $788 |
Hospital affiliations
Frequently asked questions
What is Dr. Tony Chang's medical specialty?
Dr. Tony Chang practices Sports Medicine (Family Medicine) Physician in Redding, CA.
Where does Dr. Tony Chang practice?
Dr. Tony Chang practices at 1255 Liberty Street, Redding, CA 960010814. Office phone: 5302462467.
What is Dr. Tony Chang's NPI?
Dr. Tony Chang's National Provider Identifier (NPI) is 1871784678, issued by NPPES.
Does Dr. Tony Chang accept Medicare assignment?
Yes. Dr. Tony Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tony Chang commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (HCPCS J7329); Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (HCPCS J3304); Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg (HCPCS J7331). Source: CMS Medicare Physician & Other Practitioners file.