Dr. Wei Sun
Internal Medicine (Internal Medicine Physician)
At a glance
- In the NPI registry since
- 2013
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
- 2013Registered 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
-
Internal Medicine Physician primary
MA license 256157
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Medicare patients and services
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 19 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 |
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, 1 companies reported 1 payments worth $23.24 in total to this clinician.
| Otsuka America Pharmaceutical, Inc. | $23.24 |
|---|
| Food and Beverage | $23.24 |
|---|
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.