William Wai-Ynn Loong, PA-C
NPI 1326415563ActiveIndividual· Physician Assistant· Cartersville, GA
Physician Assistant (PA-C) with Northside Cardiovascular Professional Services, LLC, practicing in Cartersville, Georgia. Their prescriptions cost Medicare Part D more than their services did: $883,478 for 5,013 claims, against $19,837 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $224.35 in all, mostly food and beverage. Lists Northside Hospital Cherokee and 1 other hospital as hospital affiliations.
Overview
| NPI | 1326415563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 24, 2015 |
| Last updated in NPPES | May 12, 2025 |
| Certified by provider | May 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 8082 | 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 | 216 |
|---|---|
| Services billed | 458 across 8 procedure codes |
| Paid by Medicare | $19,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,013 · 11,958 30-day fills |
|---|---|
| Patients | 703 |
| Total drug cost | $883,478 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Northside Cardiovascular Professional Services, LLCAtlanta, GA · 173 clinicians
Hospital affiliations
- Northside Hospital CherokeeCanton, GA
- Piedmont Mountainside Hospital IncJasper, GA
Industry payments (Open Payments)
- 2025$224.35 · 4 payments from 2 companies
- 2024$1,676 · 65 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $132.42 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $91.93 | 3 |
What the 2025 payments were for
- Food and Beverage$224.35 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 physician assistants in Cartersville · All physician assistants in Georgia