Christiaan Nikolaje Mamczak, DO
NPI 1912112384ActiveIndividual· Orthopaedic Surgery, Orthopaedic Trauma· Pensacola, FL
Orthopaedic Surgery, Orthopaedic Trauma (DO) with Baptist Medical Group LLC, practicing in Pensacola, Florida. 218 Medicare patients in 2024, $122,580 paid; all of their 125 Part D prescriptions were generic. Smith+nephew, Inc. was the largest of 9 companies reporting payments in 2025, $36,207 in all, mostly consulting fees. Lists Baptist Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1912112384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 11, 2007 |
| Last updated in NPPES | Feb 18, 2026 |
| Certified by provider | Feb 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Trauma Primary | 207XX0801X | OS18452 | FL |
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 - Orthopedic Surgery (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 521 across 116 procedure codes |
| Paid by Medicare | $122,580 |
Part D prescriptions in 2024
| Prescriptions (claims) | 125 · 125 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $1,180 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Baptist Medical Group LLCPensacola, FL · 256 clinicians
Hospital affiliations
- Baptist HospitalPensacola, FL
- Gulf Breeze HospitalGulf Breeze, FL
Other facilities
- Baptist Home Health CareHome health agency · Pensacola, FL
- Centerwell Home HealthHome health agency · Pensacola, FL
Industry payments (Open Payments)
- 2025$36,207 · 50 payments from 9 companies
- 2024$26,701 · 42 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $32,827 | 38 |
| Curvafix, Inc. | $2,847 | 2 |
| Bioventus LLC | $167.92 | 3 |
| Haemonetics Corporation | $121.88 | 1 |
| Solventum Corporation | $88.73 | 1 |
What the 2025 payments were for
- Consulting Fee$14,325 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13,200 · 1 payment
- Travel and Lodging$3,624 · 9 payments
- Honoraria$2,750 · 1 payment
- Food and Beverage$2,308 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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