Dr. Wei Chen, MD
Anesthesiology (Anesthesiology Physician)
300 Pasteur Dr
Stanford, CA 94305
Who else practices at this address →
Santa Clara County includes mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 12
- In the NPI registry since
- 2018
- Medicare patients seen, 2024
- 166
Licensed in California since 2026, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2018Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Anesthesiology Physician primary
CA license A209737 (first issued 2026; current) · MA license 292407 -
Critical Care Medicine (Anesthesiology) Physician
MA license 292407
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Tufts Medical Center Boston, MA
Medical groups
- Pratt Anesthesiology Associates Inc (155 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 166
- Services billed
- 193
- Patients’ average age
- 71
| Service | Times | Patients |
|---|---|---|
| Anesthesia for exam of colon using an endoscope | 12 | 12 |
| Anesthesia for procedure to assess heart electrical activity | 11 | 11 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 8 companies reported 11 payments worth $1,252 in total to this clinician.
| AbbVie Inc. | $259 |
|---|---|
| Alnylam Pharmaceuticals Inc. | $227 |
| Legend Biotech USA Inc. | $147 |
| Daiichi Sankyo Inc. | $135 |
| Amgen Inc. | $128 |
| Vertex Pharmaceuticals Incorporated | $120 |
| Karyopharm Therapeutics Inc. | $119 |
| GlaxoSmithKline, LLC. | $118 |
| Food and Beverage | $1,252 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.