Christine Hammer, MD
NPI 1821389255ActiveIndividual· Neurological Surgery· Olympia, WA
Neurological Surgery (MD) in Olympia, Washington, trained at Indiana University School of Medicine (class of 2011). 353 Medicare patients in 2024, $208,838 paid; nearly all of their 1,040 Part D prescriptions were generic (98%). Mml US, Inc. reported $225.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1821389255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2011 |
| Last updated in NPPES | Jun 4, 2026 |
| Certified by provider | Jun 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MD60937237 | 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) | Enrolled Practitioner - Neurosurgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 353 |
|---|---|
| Services billed | 1,520 across 69 procedure codes |
| Paid by Medicare | $208,838 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,040 · 1,079 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $7,431 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Olympia Orthopaedic Associates PLLCOlympia, WA · 87 clinicians
Hospital affiliations
- Capital Medical CenterOlympia, WA
- Grays Harbor Community HospitalAberdeen, WA
- Mason General Hospital & Family of ClinicsShelton, WA
- Providence St Peter HospitalOlympia, WA
- Summit Pacific Medical CenterElma, WA
Industry payments (Open Payments)
- 2025$225.37 · 1 payment from 1 company
- 2024$190.91 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mml US, Inc. | $225.37 | 1 |
What the 2025 payments were for
- Food and Beverage$225.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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