Brian O'Shea Ahlstrand, M.D.
NPI 1487920690ActiveIndividual· Internal Medicine· Westminster, CO
Internal Medicine (M.D.) with Colorado Permanente Medical Group PC, practicing in Westminster, Colorado. Part D covered 13,825 prescriptions written in 2024, 90% of them generic.
Overview
| NPI | 1487920690 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2012 |
| Last updated in NPPES | Jun 10, 2021 |
| Certified by provider | Jun 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0055108 | CO |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 13,825 · 34,454 30-day fills |
|---|---|
| Patients | 1,780 |
| Total drug cost | $621,864 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Colorado Permanente Medical Group PCDenver, CO · 1,327 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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