Doctor profile · Federal record
Dr. Lin Chang, MD
Gastroenterology Physician (CMS: Gastroenterology) · Los Angeles, CA
- NPI 1770518557
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Medical Plz, Suite 303
Los Angeles, CA 900953075
(310) 825-1597 - Mailing address
-
10833 le Conte Ave, Chs 42-210
Los Angeles, CA 900957378
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 25, 2017
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G61634
- Medicaid
- CA #00G616340
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770518557. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
99
Distinct HCPCS
4
Medicare allowed
$18,102
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 56 | 42 | $195 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 17 | 17 | $241 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $100 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $141 |
In context: peer comparison
Among 52 peers in Los Angeles Gastroenterology Physician, average services per provider: 124. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$7,197
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 1 | $5,600.00 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 4 | $1,353.69 | |
| Ardelyx, INC. | 1 | $146.05 | |
| Madrigal Pharmaceuticals | 1 | $97.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
296
Patients
0
Total drug cost
$124,952
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Motegrity (Prucalopride Succinate) | Brand | 62 | 0 | $36,277 |
| Linzess (Linaclotide) | Brand | 49 | 0 | $39,216 |
| Viberzi (Eluxadoline) | Brand | 27 | 0 | $38,689 |
| Duloxetine Hcl | Generic | 20 | 0 | $1,234 |
| Ondansetron Odt (Ondansetron) | Brand | 17 | 0 | $428 |
| Desipramine Hcl | Generic | 16 | 0 | $1,386 |
| Amitriptyline Hcl | Generic | 14 | 0 | $387 |
| Dicyclomine Hcl | Generic | 14 | 0 | $181 |
| Nortriptyline Hcl | Generic | 14 | 0 | $285 |
| Pregabalin | Generic | 14 | 0 | $596 |
Frequently asked questions
What is Dr. Lin Chang's medical specialty?
Dr. Lin Chang practices Gastroenterology Physician in Los Angeles, CA.
Where does Dr. Lin Chang practice?
Dr. Lin Chang practices at 100 Medical Plz, Los Angeles, CA 900953075. Office phone: 3108251597.
What is Dr. Lin Chang's NPI?
Dr. Lin Chang's National Provider Identifier (NPI) is 1770518557, issued by NPPES.
Does Dr. Lin Chang accept Medicare assignment?
Yes. Dr. Lin Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lin Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.