Warren William Pleskow, MD
NPI 1942313036ActiveIndividual· Internal Medicine· Encinitas, CA
Internal Medicine (MD) in Encinitas, California, trained at State University of New York at Buffalo School of Medicine (class of 1976). In 2024 Medicare paid $564,335 for 158 patients, and Part D covered 1,264 of their prescriptions, 83% of them generic. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $363.91 in all, mostly food and beverage.
Overview
| NPI | 1942313036 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 16, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G038976 | CA |
| Internal Medicine, Allergy & Immunology | 207RA0201X | G038976 | 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 - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 15,588 across 23 procedure codes |
| Paid by Medicare | $564,335 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,264 · 2,590 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $187,686 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Medical groups
- United Medical DoctorsMurrieta, CA · 173 clinicians
- Oso Specialty Infusion IncIrvine, CA · 9 clinicians
Industry payments (Open Payments)
- 2025$363.91 · 13 payments from 3 companies
- 2024$200.90 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $166.74 | 10 |
| Astrazeneca Pharmaceuticals LP | $120.25 | 1 |
| Regeneron Healthcare Solutions, Inc. | $76.92 | 2 |
What the 2025 payments were for
- Food and Beverage$363.91 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 internal medicine physicians in Encinitas · All internal medicine physicians in California