Gillian Elizabeth Chase, MD
NPI 1336708635ActiveIndividual· Obstetrics & Gynecology· Warwick, RI
Obstetrics & Gynecology (MD) with Affinity Physicians LLC., practicing in Warwick, Rhode Island. 34 Medicare patients in 2024, $5,776 paid; nearly all of their 81 Part D prescriptions were generic (93%). Astellas Pharma US Inc reported $121.48 in payments in 2024, mostly food and beverage. Lists Kent County Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1336708635 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2019 |
| Last updated in NPPES | Sep 5, 2025 |
| Certified by provider | Sep 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | MD19409 | RI |
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 - Obstetrics/Gynecology (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 70 across 20 procedure codes |
| Paid by Medicare | $5,776 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 106 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $4,055 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Affinity Physicians LLC.Warwick, RI · 730 clinicians
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- Women & Infants Hospital of Rhode IslandProvidence, RI
Industry payments (Open Payments)
- 2024$121.48 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $121.48 | 1 |
What the 2024 payments were for
- Food and Beverage$121.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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