Katherine Marie Duncan, P.A.-C
NPI 1083978753ActiveIndividual· Physician Assistant, Medical· Scottsdale, AZ
Physician Assistant, Medical (P.A.-C) with Brenda Latowsky M.D. P.L.C., practicing in Scottsdale, Arizona. 334 Medicare patients in 2024, $69,069 paid; nearly all of their 282 Part D prescriptions were generic (91%). Leo Pharma Inc. was the largest of 14 companies reporting payments in 2025, $1,566 in all, mostly food and beverage.
Overview
| NPI | 1083978753 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C |
| Sole proprietor | No |
| NPI issued | Jun 27, 2012 |
| Last updated in NPPES | Jun 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 6114 | 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 | 334 |
|---|---|
| Services billed | 2,940 across 47 procedure codes |
| Paid by Medicare | $69,069 |
Part D prescriptions in 2024
| Prescriptions (claims) | 282 · 336 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $75,180 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Brenda Latowsky M.D. P.L.C.Paradise Valley, AZ · 11 clinicians
Industry payments (Open Payments)
- 2025$1,566 · 52 payments from 14 companies
- 2024$1,123 · 43 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $211.73 | 5 |
| Sun Pharmaceutical Industries Inc. | $207.02 | 5 |
| Ucb, Inc. | $201.26 | 7 |
| Regeneron Healthcare Solutions, Inc. | $196.19 | 3 |
| E.R. Squibb & Sons, L.L.C. | $131.17 | 5 |
What the 2025 payments were for
- Food and Beverage$1,566 · 52 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 82 physician assistants in Scottsdale · All physician assistants in Arizona