Alyssa Kristine Stassi, D.O.
NPI 1831464858ActiveIndividual· Surgery, Surgical Critical Care· Phoenix, AZ
Surgery, Surgical Critical Care (D.O.) in Phoenix, Arizona, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2012). 155 Medicare patients in 2024, $91,542 paid; nearly all of their 81 Part D prescriptions were generic (90%). Lifenet Health was the largest of 7 companies reporting payments in 2025, $2,120 in all, mostly travel and lodging.
Overview
| NPI | 1831464858 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Mar 9, 2012 |
| Last updated in NPPES | Oct 21, 2021 |
| Certified by provider | Oct 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Critical Care Primary | 2086S0102X | 007597 | AZ |
| Surgery | 208600000X | 34.011950 | OH |
| Surgery | 208600000X | 007597 | AZ |
| 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 - General Surgery (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 155 |
|---|---|
| Services billed | 1,099 across 51 procedure codes |
| Paid by Medicare | $91,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 86 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $3,430 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | General Surgery |
| Secondary specialties | Critical Care (Intensivists) |
Medical groups
- Honorhealth AmbulatoryScottsdale, AZ · 630 clinicians
- Shirah Surgical PLLCPhoenix, AZ · 5 clinicians
Hospital affiliations
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ
- Honorhealth Deer Valley Medical CenterPhoenix, AZ
- Honorhealth Four Peaks Medical CenterMesa, AZ
- Honorhealth Scottsdale Osborn Medical CenterScottsdale, AZ
Other facilities
- Arizona Home CareHome health agency · Tempe, AZ
Industry payments (Open Payments)
- 2025$2,120 · 15 payments from 7 companies
- 2024$686.86 · 17 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lifenet Health | $1,421 | 6 |
| Avita Medical Americas, LLC | $198.80 | 3 |
| Surgenex LLC | $170.58 | 1 |
| Urgo Medical North America, LLC | $146.10 | 2 |
| Medtronic, Inc. | $123.16 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,209 · 3 payments
- Food and Beverage$910.51 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 Surgery, Surgical Critical Care providers in Phoenix · All Surgery, Surgical Critical Care providers in Arizona