Li M. Tsang, MD
NPI 1003994823ActiveIndividual· Anesthesiology· Vallejo, CA
Anesthesiology (MD) in Vallejo, California, trained at Northeastern Ohio University College of Medicine (class of 1986). Medicare paid $51,469 for services to 224 patients in 2024. Heron Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $92.60 in all, mostly food and beverage.
Overview
| NPI | 1003994823 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 7, 2021 |
| Certified by provider | Dec 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | G68508 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 270 across 60 procedure codes |
| Paid by Medicare | $51,469 |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Anesthesiology |
Medical groups
- Cep America - Anesthesia PCRedding, CA · 849 clinicians
- Sacsolano Anesthesia Exchange Medical Group, IncSacramento, CA · 33 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- Northbay Medical CenterFairfield, CA
Industry payments (Open Payments)
- 2025$92.60 · 4 payments from 3 companies
- 2024$27.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heron Therapeutics, Inc. | $60.61 | 2 |
| Merck Sharp & Dohme LLC | $17.70 | 1 |
| Medtronic, Inc. | $14.29 | 1 |
What the 2025 payments were for
- Food and Beverage$92.60 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 anesthesiologists in Vallejo · All anesthesiologists in California