Margaret Anne Harrison, MD
NPI 1598384885ActiveIndividual· Obstetrics & Gynecology· Littleton, CO
Obstetrics & Gynecology (MD) in Littleton, Colorado, trained at University of Colorado School of Medicine, Aurora (class of 2020). Part D covered 19 prescriptions written in 2024, 100% of them generic. Astellas Pharma US Inc was the largest of 11 companies reporting payments in 2025, $304.66 in all, mostly food and beverage.
Overview
| NPI | 1598384885 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 16, 2020 |
| Last updated in NPPES | Jun 12, 2024 |
| Certified by provider | Jun 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | DR.0072594 | 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 - Obstetrics/Gynecology (CO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 24 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $1,024 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Aurora |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- OB-GYN AffiliatesLone Tree, CO · 64 clinicians
Industry payments (Open Payments)
- 2025$304.66 · 15 payments from 11 companies
- 2024$56.36 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $82.66 | 4 |
| Hologic Sales and Service, LLC | $45.99 | 2 |
| Mayne Pharma Commercial LLC | $27.20 | 1 |
| Organon LLC | $25.01 | 1 |
| Exact Sciences Corporation | $24.56 | 1 |
What the 2025 payments were for
- Food and Beverage$304.66 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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