David Stewart Koslov, MD
NPI 1043655525ActiveIndividual· Urology· San Bernardino, CA
Urology (MD) in San Bernardino, California, trained at University of Toledo College of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $454,636 for 1,907 claims, against $76,725 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $642.98 in all, mostly food and beverage.
Overview
| NPI | 1043655525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2013 |
| Last updated in NPPES | Sep 2, 2020 |
| Certified by provider | Sep 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | A168921 | CA |
| Urology | 208800000X | DR.0060248 | 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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 1,192 across 59 procedure codes |
| Paid by Medicare | $76,725 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,907 · 3,284 30-day fills |
|---|---|
| Patients | 569 |
| Total drug cost | $454,636 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Franklin M Chu MD IncSan Bernardino, CA · 7 clinicians
Hospital affiliations
- Desert Regional Medical CenterPalm Springs, CA
- St Bernardine Medical CenterSan Bernardino, CA
Industry payments (Open Payments)
- 2025$642.98 · 26 payments from 11 companies
- 2024$1,136 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $152.74 | 7 |
| Janssen Biotech, Inc. | $119.48 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $72.97 | 3 |
| Tolmar, Inc. | $54.26 | 2 |
| Pfizer Inc. | $53.49 | 2 |
What the 2025 payments were for
- Food and Beverage$607.92 · 25 payments
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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