Heidi Jo Oster, M.D.
NPI 1902863541ActiveIndividual· Obstetrics & Gynecology· Lone Tree, CO
Obstetrics & Gynecology (M.D.) in Lone Tree, Colorado, trained at University of California, Geffen School of Medicine (class of 1988). In 2024 Medicare paid $29,551 for 155 patients, and Part D covered 625 of their prescriptions, 75% of them generic. Hologic Sales and Service, LLC was the largest of 18 companies reporting payments in 2025, $928.74 in all, mostly food and beverage.
Overview
| NPI | 1902863541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Nov 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 37061 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 155 |
|---|---|
| Services billed | 573 across 29 procedure codes |
| Paid by Medicare | $29,551 |
Part D prescriptions in 2024
| Prescriptions (claims) | 625 · 1,468 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $44,277 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- OB-GYN AffiliatesLone Tree, CO · 64 clinicians
Hospital affiliations
- HCA Healthone RoseDenver, CO
- Sky Ridge Medical CenterLone Tree, CO
Industry payments (Open Payments)
- 2025$928.74 · 35 payments from 18 companies
- 2024$1,165 · 35 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $213.80 | 3 |
| Astellas Pharma US Inc | $148.29 | 3 |
| Mayne Pharma Commercial LLC | $101.17 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $91.24 | 4 |
| Organon LLC | $58.32 | 3 |
What the 2025 payments were for
- Food and Beverage$829.74 · 34 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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