Kassondra Mellen, PHYSICIAN ASSISTANT
NPI 1245418839ActiveIndividual· Physician Assistant· Mesa, AZ
Physician Assistant (PHYSICIAN ASSISTANT) with Atlas Medical ACO LLC and 1 other group, practicing in Mesa, Arizona. Their prescriptions cost Medicare Part D more than their services did: $798,155 for 11,639 claims, against $199,471 paid for services in 2024.
Overview
| NPI | 1245418839 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | No |
| NPI issued | Feb 5, 2008 |
| Last updated in NPPES | Jul 31, 2023 |
| Certified by provider | Jul 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 3773 | AZ |
| Physician Assistant, Surgical | 363AS0400X | 3773 | AZ |
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 - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 2,329 across 17 procedure codes |
| Paid by Medicare | $199,471 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,639 · 12,588 30-day fills |
|---|---|
| Patients | 396 |
| Total drug cost | $798,155 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Atlas Medical ACO LLCMesa, AZ · 52 clinicians
- Century Care IncMesa, AZ · 52 clinicians
Other facilities
- Aegis Homecare, IncHome health agency · Mesa, AZ
- Banner Home Care-ArizonaHome health agency · Mesa, AZ
- Sweetheart Healthcare LLCHome health agency · Chandler, AZ
- Aegis Hospice, Inc.Hospice · Mesa, AZ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 474 physician assistants in Mesa · All physician assistants in Arizona