Doctor profile · Federal record
Dr. Aaron Chiang, M.D.
Internal Medicine Physician (CMS: Hospitalist) · Los Angeles, CA
- NPI 1184936379
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2080 Century Park E Ste 1605
Los Angeles, CA 900672019
(310) 620-1888
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- November 2, 2022
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A118585
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184936379. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,933
Distinct HCPCS
10
Medicare allowed
$144,332
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 364 | 162 | $98 | |
36415 |
Insertion of needle into vein for collection of blood sample | 300 | 196 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 252 | 187 | $8 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 211 | 180 | $3 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 206 | 181 | $16 | |
80053 |
Blood test, comprehensive group of blood chemicals | 201 | 167 | $10 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 200 | 171 | $16 | |
71046 |
X-ray of chest, 2 views | 180 | 170 | $39 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 177 | 168 | $13 | |
83036 |
Hemoglobin a1c level | 176 | 167 | $10 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 25× the peer median.Open Payments
Industry payments received
All-time total
$71
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $27.49 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $22.26 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $21.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
997
Patients
358
Total drug cost
$21,214
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 153 | 42 | $2,434 |
| Rosuvastatin Calcium | Generic | 116 | 38 | $4,688 |
| Amlodipine Besylate | Generic | 111 | 28 | $1,292 |
| Levothyroxine Sodium | Generic | 88 | 28 | $1,460 |
| Losartan Potassium | Generic | 83 | 26 | $1,398 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 67 | 58 | $691 |
| Gabapentin | Generic | 51 | 18 | $625 |
| Zolpidem Tartrate | Generic | 50 | 19 | $854 |
| Azithromycin | Generic | 46 | 38 | $317 |
| Lorazepam | Generic | 44 | 0 | $313 |
Hospital affiliations
Frequently asked questions
What is Dr. Aaron Chiang's medical specialty?
Dr. Aaron Chiang practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Aaron Chiang practice?
Dr. Aaron Chiang practices at 2080 Century Park E Ste 1605, Los Angeles, CA 900672019. Office phone: 3106201888.
What is Dr. Aaron Chiang's NPI?
Dr. Aaron Chiang's National Provider Identifier (NPI) is 1184936379, issued by NPPES.
Does Dr. Aaron Chiang accept Medicare assignment?
Yes. Dr. Aaron Chiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Chiang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.