Doctor profile · Federal record
Dr. Sepein Chiang, DO
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Phoenix, AZ
- NPI 1154491710
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18444 N 25Th Ave, Ste 210
Phoenix, AZ 850231264
(623) 537-5600
fax (866) 939-2673
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- August 8, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Arizona #3880
- Medicaid
- AZ #766248
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154491710. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,938
Distinct HCPCS
10
Medicare allowed
$136,235
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 808 | 130 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 232 | 174 | $89 | |
73564 |
X-ray of knee, 4 or more views | 192 | 155 | $46 | |
20610 |
Aspiration and/or injection of fluid from large joint | 164 | 132 | $73 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 155 | 155 | $110 | |
73502 |
X-ray of hip, 2-3 views | 84 | 76 | $44 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 75 | 68 | $125 | |
73562 |
X-ray of knee, 3 views | 50 | 45 | $40 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $160 | |
20985 |
Computer-assisted surgery for muscle and bone procedure | 38 | 38 | $142 |
In context: peer comparison
Among 32 peers in Phoenix Orthopaedic Surgery Physician, average services per provider: 230. This provider delivers 8.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
55
Patients
42
Total drug cost
$369
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 23 | 17 | $221 |
| Amoxicillin | Generic | 20 | 14 | $31 |
| Methylprednisolone | Generic | 12 | 11 | $117 |
Frequently asked questions
What is Dr. Sepein Chiang's medical specialty?
Dr. Sepein Chiang practices Orthopaedic Surgery Physician in Phoenix, AZ.
Where does Dr. Sepein Chiang practice?
Dr. Sepein Chiang practices at 18444 N 25Th Ave, Phoenix, AZ 850231264. Office phone: 6235375600.
What is Dr. Sepein Chiang's NPI?
Dr. Sepein Chiang's National Provider Identifier (NPI) is 1154491710, issued by NPPES.
Does Dr. Sepein Chiang accept Medicare assignment?
Yes. Dr. Sepein Chiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sepein Chiang commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); X-ray of knee, 4 or more views (HCPCS 73564). Source: CMS Medicare Physician & Other Practitioners file.