Spyridon A. Mastroyannis, MD
NPI 1700272986ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Aurora, CO
Obstetrics & Gynecology, Gynecologic Oncology (MD) in Aurora, Colorado, trained at George Washington University School of Medicine (class of 2015). In 2024 Medicare paid $59,085 for 115 patients, and Part D covered 170 of their prescriptions, 71% of them generic. Caris Mpi, Inc. reported $42.73 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1700272986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 14, 2015 |
| Last updated in NPPES | Jan 14, 2025 |
| Certified by provider | Jan 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | DR.0068092 | 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 - Gynecological Oncology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 336 across 57 procedure codes |
| Paid by Medicare | $59,085 |
Part D prescriptions in 2024
| Prescriptions (claims) | 170 · 212 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $41,819 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Gynecological Oncology |
| Secondary specialties | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- University Physicians IncorporatedAurora, CO · 3,215 clinicians
Hospital affiliations
- Medical Center of the RockiesLoveland, CO
- Poudre Valley HospitalFort Collins, CO
- Uchealth Greeley HospitalGreeley, CO
- Uchealth Highlands Ranch HospitalHighlands Ranch, CO
- University of Colorado Hospital AuthorityAurora, CO
Industry payments (Open Payments)
- 2025$42.73 · 1 payment from 1 company
- 2024$42.60 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Caris Mpi, Inc. | $42.73 | 1 |
What the 2025 payments were for
- Food and Beverage$42.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Obstetrics & Gynecology, Gynecologic Oncology providers in Aurora
- 1073546834
- 1104203967
- 1144619735
- 1255566964
- 1437595840
- 1558653451
- 1669900825
- 1922232172
- 1699280297
- 1003919960
- 1043879380
- 1083666721
All 19 Obstetrics & Gynecology, Gynecologic Oncology providers in Aurora · All Obstetrics & Gynecology, Gynecologic Oncology providers in Colorado