Larissa Umberger, PA-S3
NPI 1093564932ActiveIndividual· Physician Assistant· Delta, CO
Physician Assistant (PA-S3) with Olathe Community Clinic, practicing in Delta, Colorado. Enrolled in Medicare as practitioner - physician assistant. Organon LLC reported $20.93 in payments in 2025, mostly food and beverage. Lists Delta County Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1093564932 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-S3 |
| Sole proprietor | No |
| NPI issued | May 14, 2024 |
| Last updated in NPPES | Jan 16, 2026 |
| Certified by provider | Jan 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA.0009312 | CO |
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 - Physician Assistant (CO) |
|---|
Education and affiliations
| Graduation year | 2025 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Olathe Community ClinicMontrose, CO · 25 clinicians
Hospital affiliation
- Delta County Memorial HospitalDelta, CO
Industry payments (Open Payments)
- 2025$20.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $20.93 | 1 |
What the 2025 payments were for
- Food and Beverage$20.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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