Lillian Chow, MD
Internal Medicine, Critical Care Medicine (MD) with Uc Regents, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $120,127 for 407 claims, against $72,895 paid for services in 2024. Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $9,167 in all, mostly consulting fees. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972778520 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2008 |
| Last updated in NPPES | Mar 26, 2025 |
| Certified by provider | Mar 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | C176283 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 258974 | NY |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 258974 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (CA); Practitioner - Pulmonary Disease (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 320 |
|---|---|
| Services billed | 772 across 37 procedure codes |
| Paid by Medicare | $72,895 |
Part D prescriptions in 2024
| Prescriptions (claims) | 407 · 577 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $120,127 |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$9,167 · 13 payments from 3 companies
- 2024$470.42 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $8,714 | 5 |
| Glaxosmithkline, LLC. | $418.66 | 7 |
| Verona Pharma, Inc. | $34.73 | 1 |
What the 2025 payments were for
- Consulting Fee$7,608 · 1 payment
- Travel and Lodging$854.35 · 2 payments
- Food and Beverage$705.13 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Critical Care Medicine providers in Orange
- 1457665564
- 1902313919
- 1336106871
- 1295078764
- 1508276197
- 1497280317
- 1528346103
- 1518983899
- 1316047913
- 1306005046
- 1538166780
- 1699785279
All Internal Medicine, Critical Care Medicine providers in California →