Andrew Mui, M.D.
NPI 1992135826ActiveIndividual· Internal Medicine· La Palma, CA
Internal Medicine (M.D.) in La Palma, California, trained at Oral Roberts University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $1,037,531 for 7,631 claims, against $39,267 paid for services in 2024. Amgen Inc. was the largest of 16 companies reporting payments in 2025, $567.35 in all, mostly food and beverage.
Overview
| NPI | 1992135826 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 13, 2013 |
| Last updated in NPPES | Jul 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G56737 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 759 across 21 procedure codes |
| Paid by Medicare | $39,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,631 · 16,988 30-day fills |
|---|---|
| Patients | 706 |
| Total drug cost | $1,037,531 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Oral Roberts University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Joshua International Medical GroupLa Palma, CA · 4 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$567.35 · 31 payments from 16 companies
- 2024$397.41 · 21 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $173.14 | 9 |
| Novo Nordisk Inc | $70.16 | 4 |
| Glaxosmithkline, LLC. | $39.09 | 2 |
| Astrazeneca Pharmaceuticals LP | $35.77 | 2 |
| Radius Health, Inc. | $32.91 | 2 |
What the 2025 payments were for
- Food and Beverage$567.35 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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