Gillian G. Esser, M.D.
NPI 1598768491ActiveIndividual· Specialist· Gig Harbor, WA
Opted out of Medicare from April 2015 to April 2027. Specialist (M.D.) in Gig Harbor, Washington, licensed in WA, with an NPI issued in May 2005. Part D covered 281 prescriptions written in 2024, 80% of them generic. Mayne Pharma Commercial LLC was the largest of 3 companies reporting payments in 2025, $617.53 in all, mostly food and beverage.
Overview
| NPI | 1598768491 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Aug 27, 2024 |
| Certified by provider | Aug 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | MD00034839 | WA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 13, 2015 – Apr 13, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 281 · 670 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $31,438 |
| Generic share | 80% of claims |
Industry payments (Open Payments)
- 2025$617.53 · 45 payments from 3 companies
- 2024$353.59 · 27 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $517.80 | 40 |
| Abbvie Inc. | $73.99 | 4 |
| Lilly USA, LLC | $25.74 | 1 |
What the 2025 payments were for
- Food and Beverage$617.53 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 Specialist providers in Gig Harbor · All Specialist providers in Washington