Karina La'O Vivar, MD
NPI 1922397462ActiveIndividual· Dermatology, Pediatric Dermatology· Chicago, IL
Dermatology, Pediatric Dermatology (MD) in Chicago, Illinois, licensed in IL, with an NPI issued in April 2011. Enrolled in Medicare as practitioner - pediatric medicine. Genzyme Corporation was the largest of 6 companies reporting payments in 2025, $425.92 in all, mostly food and beverage.
Overview
| NPI | 1922397462 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 5, 2011 |
| Last updated in NPPES | May 1, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, Pediatric Dermatology Primary | 207NP0225X | 036.145883 | IL |
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 - Pediatric Medicine (IL) |
|---|
Industry payments (Open Payments)
- 2025$425.92 · 10 payments from 6 companies
- 2024$3,000 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $260.19 | 5 |
| Pfizer Inc. | $59.93 | 1 |
| Lilly USA, LLC | $31.81 | 1 |
| Incyte Corporation | $25.90 | 1 |
| Organon LLC | $25.12 | 1 |
What the 2025 payments were for
- Food and Beverage$425.92 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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