Melissa Diane Loo, PA
NPI 1477019784ActiveIndividual· Physician Assistant· Litchfield Park, AZ
Physician Assistant (PA) in Litchfield Park, Arizona, trained at Lincoln Mem Univ, Debusk Col of Osteopathic Med (class of 2018). 85 Medicare patients in 2024, $7,605 paid; nearly all of their 128 Part D prescriptions were generic (92%).
Overview
| NPI | 1477019784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Feb 12, 2019 |
| Last updated in NPPES | Aug 5, 2021 |
| Certified by provider | Aug 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 8405 | AZ |
| Physician Assistant | 363A00000X | 9105 | GA |
| Physician Assistant | 363A00000X | 3258 | SC |
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); Practitioner - Physician Assistant (KS); Practitioner - Physician Assistant (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 180 across 16 procedure codes |
| Paid by Medicare | $7,605 |
Part D prescriptions in 2024
| Prescriptions (claims) | 128 · 133 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $1,504 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Lincoln Mem Univ, Debusk Col of Osteopathic Med |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Physician Assistant |
Medical groups
- Fast Pace Medical Clinic PLLCCollinwood, TN · 724 clinicians
- Emergency Medicine Services of Tn, PCMt Juliet, TN · 153 clinicians
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 24 physician assistants in Litchfield Park · All physician assistants in Arizona