Andrew Leon Kau, MD
NPI 1215073580ActiveIndividual· Internal Medicine, Allergy & Immunology· Saint Louis, MO
Internal Medicine, Allergy & Immunology (MD) in Saint Louis, Missouri, trained at Washington University School of Medicine (class of 2006). In 2024 Medicare paid $108,532 for 65 patients, and Part D covered 176 of their prescriptions, 47% of them generic. Pfizer Inc. reported $16.44 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1215073580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2007 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Allergy & Immunology Primary | 207RA0201X | 2009001739 | MO |
| Allergy & Immunology | 207K00000X | 2009001739 | MO |
| Internal Medicine | 207R00000X | 2009001739 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 5,210 across 29 procedure codes |
| Paid by Medicare | $108,532 |
Part D prescriptions in 2024
| Prescriptions (claims) | 176 · 246 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $130,412 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
Industry payments (Open Payments)
- 2025$16.44 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $16.44 | 1 |
What the 2025 payments were for
- Food and Beverage$16.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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