Leo Meng-Tah Shum, M.D
NPI 1609061191ActiveIndividual· Internal Medicine, Critical Care Medicine· Pasadena, CA
Internal Medicine, Critical Care Medicine (M.D) in Pasadena, California, trained at University of Pittsburgh School of Medicine (class of 2006). Medicare paid $100,865 for services to 214 patients in 2024. Abbvie Inc. reported $22.39 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1609061191 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Sep 8, 2007 |
| Last updated in NPPES | Sep 7, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | A121518 | CA |
| Emergency Medicine | 207P00000X | MT188668 | PA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | A121518 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 725 across 14 procedure codes |
| Paid by Medicare | $100,865 |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Vista Critical Care Associates IncGlendale, CA · 15 clinicians
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Glendale Adventist Medical CenterGlendale, CA
Industry payments (Open Payments)
- 2025$22.39 · 1 payment from 1 company
- 2024$21.90 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $22.39 | 1 |
What the 2025 payments were for
- Food and Beverage$22.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other critical care physicians in Pasadena
- 1144331851
- 1205862489
- 1316259179
- 1790981678
- 1801811955