Christiaan Nikolaje Mamczak, DO
Orthopaedic Trauma Physician · Pensacola, FL
Christiaan Nikolaje Mamczak, DO is an orthopaedic trauma physician with a practice address in Pensacola, Florida, and NPI 1912112384, issued on May 11, 2007. Check the license (Florida OS18452, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Christiaan Nikolaje Mamczak
- Credential
- DO
- Primary taxonomy
- Orthopaedic Trauma Physician 207XX0801X
- License number
- OS18452 FL
Self-reported in NPPES; status is on the state search - Practice location
- 125 Baptist Way Ste 4A, Pensacola, FL 32503
- Phone
- (448) 227-6480
- Enumerated
- May 11, 2007
- Record last updated
- Feb 18, 2026
- Medicaid ID
- 113496800 FL
- Medicare enrollment
- Enrolled (PECOS I20220407001497); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic trauma physician records → All 66 in Florida → Look up another NPI →
Also registered at 125 Baptist Way Ste 4A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Barnes Remski, M.D.Orthopaedic Trauma Physician1134330020
- Cory Bennett, PAPhysician Assistant1568290492
- Colleen Class, PAPhysician Assistant1730959339
- Marcelo Gerjoi, PA-CPhysician Assistant1821276676
- Neilia-Kay McGill, MDRheumatology Physician1891066874
- James Piorkowski, MDOrthopaedic Hand Surgery Physician1467621599
Verify Christiaan Nikolaje Mamczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS18452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average orthopaedic trauma physician in 2024
125 Medicare Part D claims for 61 beneficiaries, against an average of 151 among the 627 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 45 claims were for opioids.
Most prescribed
- Ibuprofen22 claims
- Tramadol Hcl21 claims
- Gabapentin15 claims
- Hydrocodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $26,700.90
42 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 722 providers of this specialty with any payment received $15,814.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baptist Medical Group LLCPensacola, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christiaan Nikolaje Mamczak among 66 orthopaedic trauma physician records in Florida
Christiaan Nikolaje Mamczak, DO is one of 66 orthopaedic trauma physician records with a practice address in Florida. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 59% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated2003 · median 2008 among the 60 with a school on file
- Record last updated2026 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0801X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Trauma Physician providers in Florida
There are 66 orthopaedic trauma physician records in Florida.
All 66 in Florida → Every provider in Pensacola → Orthopaedic Trauma Physician nationwide →
The 8 orthopaedic trauma physician records with the nearest ZIP codes
- Leslie Barnes Remski, M.D.Pensacola, FL 325031134330020
- Jason Rocha, M.D.Pensacola, FL 325031851542427
- Pamela Warner, D.O.Fort Walton Beach, FL 325471205122736
- Aaron Barrow, M.D.Panama City, FL 324011164715769
- Benjamin Turnbow, MDPanama City, FL 324011386835577
- Griffin Biedron, MDGainesville, FL 326101982083812
- Christopher Gerzina, MDGainesville, FL 326101457916942
- William MitchellGainesville, FL 326101255915559
Common questions
What is Christiaan Nikolaje Mamczak, DO's NPI number?
Christiaan Nikolaje Mamczak, DO's National Provider Identifier (NPI) is 1912112384, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christiaan Nikolaje Mamczak, DO located?
The NPPES record lists a practice address at 125 Baptist Way Ste 4A, Pensacola, FL, 32503. Phone: (448) 227-6480. Providers update this record themselves, so call before visiting.
How can I verify Christiaan Nikolaje Mamczak, DO's license?
NPPES lists Florida license number OS18452, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christiaan Nikolaje Mamczak, DO prescribe under Medicare Part D?
In 2024, Christiaan Nikolaje Mamczak, DO had 125 Medicare Part D claims for 61 beneficiaries; the average among orthopaedic trauma physician prescribers was 151. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.