Zachary Giesick
NPI 1871122705ActiveIndividual· Physician Assistant· Hamden, CT
Physician Assistant with Singleton Associates PA and 1 other group, practicing in Hamden, Connecticut. Medicare paid $20,878 for services to 208 patients in 2024. Penumbra, Inc. reported $224.38 in payments in 2025, mostly food and beverage. Lists Ascension Seton Hays and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1871122705 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 3, 2020 |
| Last updated in NPPES | Mar 10, 2022 |
| Certified by provider | Mar 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA14170 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 346 across 26 procedure codes |
| Paid by Medicare | $20,878 |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Singleton Associates PATyler, TX · 838 clinicians
- Austin Radiological AssociationAustin, TX · 127 clinicians
Hospital affiliations
- Ascension Seton HaysKyle, TX
- Ascension Seton Medical Center AustinAustin, TX
- North Austin Medical CenterAustin, TX
- St David's Medical CenterAustin, TX
- St David's South Austin Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$224.38 · 2 payments from 1 company
- 2024$326.14 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $224.38 | 2 |
What the 2025 payments were for
- Food and Beverage$224.38 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Hamden
- 1164041943
- 1093527616
- 1396217675
- 1659352482
- 1346624723
- 1447832266
- 1588522742
- 1801047337
- 1134304017
- 1710470034
- 1730978834
- 1871031492