Rayna Lin Trietsch, M.D.
NPI 1891221859ActiveIndividual· Obstetrics & Gynecology· Littleton, CO
Obstetrics & Gynecology (M.D.) in Littleton, Colorado, trained at University of Massachusetts Medical School (class of 2017). Mostly services rather than prescriptions: Medicare paid $4,341 for 31 patients in 2024, with only 36 Part D claims. Hologic Sales and Service, LLC was the largest of 5 companies reporting payments in 2025, $297.90 in all, mostly food and beverage.
Overview
| NPI | 1891221859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 11, 2017 |
| Last updated in NPPES | Aug 25, 2021 |
| Certified by provider | Aug 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | DR.0065878 | CO |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 31 |
|---|---|
| Services billed | 49 across 13 procedure codes |
| Paid by Medicare | $4,341 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 66 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $4,197 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- OB-GYN AffiliatesLone Tree, CO · 64 clinicians
Industry payments (Open Payments)
- 2025$297.90 · 8 payments from 5 companies
- 2024$384.61 · 10 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $170.99 | 3 |
| Mayne Pharma Commercial LLC | $57.86 | 2 |
| Sumitomo Pharma America, Inc. | $29.53 | 1 |
| Exeltis, USA Inc. | $22.04 | 1 |
| Mimedx Group, Inc. | $17.48 | 1 |
What the 2025 payments were for
- Food and Beverage$297.90 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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