Lee Kenneth Maas, M.D.
NPI 1548470081ActiveIndividual· Emergency Medicine· Pomona, CA
Emergency Medicine (M.D.) in Pomona, California, trained at Loma Linda University School of Medicine (class of 2006). 354 Medicare patients in 2024, $50,889 paid; nearly all of their 285 Part D prescriptions were generic (93%).
Overview
| NPI | 1548470081 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Aug 18, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A101495 | 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 | 354 |
|---|---|
| Services billed | 612 across 38 procedure codes |
| Paid by Medicare | $50,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 285 · 286 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $3,219 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
Hospital affiliations
- Emanate Health Foothill Presbyterian HospitalGlendora, CA
- Emanate Health Inter-Community HospitalCovina, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 emergency medicine physicians in Pomona · All emergency medicine physicians in California