Gillian Reed Woodruff, MD
NPI 1598394496ActiveIndividual· Internal Medicine· Parker, AZ
Internal Medicine (MD) with Dhhs Ihs Phoenix Area and 1 other group, practicing in Parker, Arizona. Their prescriptions cost Medicare Part D more than their services did: $323,025 for 2,477 claims, against $32,713 paid for services in 2024. Lists Hopi Health Care Center as a hospital affiliation.
Overview
| NPI | 1598394496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2020 |
| Last updated in NPPES | Jan 12, 2026 |
| Certified by provider | Jan 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A192204 | CA |
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 - Internal Medicine (CA); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 467 across 11 procedure codes |
| Paid by Medicare | $32,713 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,477 · 5,753 30-day fills |
|---|---|
| Patients | 428 |
| Total drug cost | $323,025 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Dhhs Ihs Phoenix AreaParker, AZ · 59 clinicians
- Dhhs Ihs Phoenix AreaPolacca, AZ · 27 clinicians
Hospital affiliation
- Hopi Health Care CenterPolacca, AZ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Parker
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