Doctor profile · Federal record
Dr. Jiwoon Chang, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Stanford, CA
- NPI 1952780694
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 94305
(650) 723-4000 - Additional location
-
550 1St Ave
New York, NY 100166402
(212) 263-5506
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- April 17, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- California #A154679
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952780694. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,170
Distinct HCPCS
10
Medicare allowed
$118,298
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
31645 |
Aspiration of initial secretion of lung airway using an endoscope | 246 | 199 | $68 | |
31624 |
Irrigation and suction of lung airways to obtain cells using an endoscope | 168 | 135 | $8 | |
31628 |
Biopsy of lobe of lung using an endoscope, 1 lobe | 87 | 87 | $108 | |
77012 |
Review by radiologist of ct guidance for needle placement | 68 | 68 | $79 | |
31627 |
Computer-assisted image-guided navigation of lung airways using an endoscope | 65 | 65 | $104 | |
76377 |
3d radiographic procedure with computerized image postprocessing | 65 | 65 | $43 | |
31653 |
Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 3 or more lymph nodes | 61 | 61 | $242 | |
31652 |
Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes | 49 | 48 | $222 | |
32555 |
Aspiration of fluid from chest cavity using imaging guidance | 44 | 33 | $115 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 32 | $75 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 61. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$10,602
Transactions
12
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pulmonx Corporation | 8 | $7,406.54 | |
| INTUITIVE SURGICAL, INC. | 3 | $3,016.00 | |
| STERIS CORPORATION | 1 | $179.72 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Jiwoon Chang's medical specialty?
Dr. Jiwoon Chang practices Pulmonary Disease Physician in Stanford, CA.
Where does Dr. Jiwoon Chang practice?
Dr. Jiwoon Chang practices at 300 Pasteur Dr, Stanford, CA 94305. Office phone: 6507234000.
What is Dr. Jiwoon Chang's NPI?
Dr. Jiwoon Chang's National Provider Identifier (NPI) is 1952780694, issued by NPPES.
Does Dr. Jiwoon Chang accept Medicare assignment?
Yes. Dr. Jiwoon Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jiwoon Chang commonly perform?
Top Medicare-reported procedures in 2023: Aspiration of initial secretion of lung airway using an endoscope (HCPCS 31645); Irrigation and suction of lung airways to obtain cells using an endoscope (HCPCS 31624); Biopsy of lobe of lung using an endoscope, 1 lobe (HCPCS 31628). Source: CMS Medicare Physician & Other Practitioners file.