Sean Kark, DO
NPI 1588025589ActiveIndividual· Family Medicine· Highlands Ranch, CO
Family Medicine (DO) with Mednow Clinics, Inc, practicing in Highlands Ranch, Colorado. Their prescriptions cost Medicare Part D more than their services did: $315,692 for 3,958 claims, against $38,089 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $1,746 in all, mostly food and beverage.
Overview
| NPI | 1588025589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 18, 2016 |
| Last updated in NPPES | Feb 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | DR.0061742 | 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 - Family Practice (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 872 across 39 procedure codes |
| Paid by Medicare | $38,089 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,958 · 9,260 30-day fills |
|---|---|
| Patients | 473 |
| Total drug cost | $315,692 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Mednow Clinics, IncAurora, CO · 54 clinicians
Industry payments (Open Payments)
- 2025$1,746 · 60 payments from 19 companies
- 2024$717.74 · 32 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $665.71 | 20 |
| Pfizer Inc. | $228.90 | 9 |
| Novo Nordisk Inc | $171.75 | 5 |
| Ethicon Inc. | $133.65 | 1 |
| Abbvie Inc. | $115.28 | 5 |
What the 2025 payments were for
- Food and Beverage$1,746 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Highlands Ranch
- 1003357286
- 1164870002
- 1205836152
- 1225146731
- 1326401605
- 1356667554
- 1376004689
- 1407058142
- 1477516045
- 1497163265
- 1508909896
- 1548649569
All 67 family medicine physicians in Highlands Ranch · All family medicine physicians in Colorado