Alyssa Walters Haas, PA
NPI 1770323305ActiveIndividual· Physician Assistant· Atlanta, GA
Physician Assistant (PA) with Aga Clinical Services, LLC, practicing in Atlanta, Georgia. Medicare paid $2,342 for services to 23 patients in 2024. Ardelyx, Inc. was the largest of 2 companies reporting payments in 2025, $114.61 in all, mostly food and beverage. Lists Piedmont Henry Hospital as a hospital affiliation.
Overview
| NPI | 1770323305 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | May 30, 2024 |
| Last updated in NPPES | Nov 4, 2026 |
| Certified by provider | Nov 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 12418 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 35 across 6 procedure codes |
| Paid by Medicare | $2,342 |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Aga Clinical Services, LLCBlairsville, GA · 36 clinicians
Hospital affiliation
- Piedmont Henry HospitalStockbridge, GA
Industry payments (Open Payments)
- 2025$114.61 · 2 payments from 2 companies
- 2024$20.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $88.62 | 1 |
| Celltrion USA Inc. | $25.99 | 1 |
What the 2025 payments were for
- Food and Beverage$114.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,250 physician assistants in Atlanta · All physician assistants in Georgia