Doctor profile · Federal record
Dr. Ruey Chang, P.A.
Medical Physician Assistant (CMS: Physician Assistant) · La Palma, CA
- NPI 1699064006
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5451 la Palma Ave, Suite 25
La Palma, CA 906231728
(714) 670-1340
fax (714) 443-3780
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- April 7, 2011
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- California #PA20204
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699064006. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,811
Distinct HCPCS
9
Medicare allowed
$64,804
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7332 |
Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg | 1,220 | 25 | $10 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 226 | 144 | $113 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 125 | 50 | $83 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 66 | $71 | |
76881 |
Complete ultrasound scan of joint | 52 | 26 | $50 | |
96372 |
Injection of drug or substance under skin or into muscle | 43 | 28 | $13 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $142 | |
J7324 |
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | 28 | 11 | $128 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 16 | 16 | $37 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 201. This provider delivers 9.0× the peer median.Open Payments
Industry payments received
All-time total
$1,964
Transactions
95
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| UCB, Inc. | 11 | $273.96 | |
| ABBVIE INC. | 21 | $268.29 | |
| Novartis Pharmaceuticals Corporation | 12 | $264.86 | |
| Janssen Biotech, Inc. | 9 | $223.39 | |
| GlaxoSmithKline, LLC. | 11 | $212.91 | |
| Amgen Inc. | 11 | $171.90 | |
| Alexion Pharmaceuticals, Inc. | 5 | $141.56 | |
| Organon Llc | 5 | $88.80 | |
| Mallinckrodt Hospital Products Inc. | 2 | $52.30 | |
| Lilly USA, LLC | 2 | $52.05 | |
| Aurinia Pharma U.S., Inc. | 2 | $46.27 | |
| Actelion Pharmaceuticals US, Inc. | 1 | $28.48 | |
| Fresenius Kabi USA, LLC | 1 | $28.46 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $28.23 | |
| Radius Health, Inc. | 1 | $26.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
47
Patients
13
Total drug cost
$612
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 29 | 13 | $192 |
| Pregabalin | Generic | 18 | 0 | $420 |
Frequently asked questions
What is Dr. Ruey Chang's medical specialty?
Dr. Ruey Chang practices Medical Physician Assistant in La Palma, CA.
Where does Dr. Ruey Chang practice?
Dr. Ruey Chang practices at 5451 la Palma Ave, La Palma, CA 906231728. Office phone: 7146701340.
What is Dr. Ruey Chang's NPI?
Dr. Ruey Chang's National Provider Identifier (NPI) is 1699064006, issued by NPPES.
Does Dr. Ruey Chang accept Medicare assignment?
Yes. Dr. Ruey Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruey Chang commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg (HCPCS J7332); Established patient office or other outpatient visit (HCPCS 99214); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.