Karolina Siniakowicz, D.O.
Gastroenterology Physician · Englewood, FL
Karolina Siniakowicz, D.O. is a gastroenterology physician with a practice address in Englewood, Florida, and NPI 1083093280, issued on May 21, 2015. Check the license (Florida OS18109, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Karolina Siniakowicz
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- OS18109 FL
Self-reported in NPPES; status is on the state search - Practice location
- 900 Pine St Ste 211, Englewood, FL 34223
- Phone
- (941) 473-8881
- Enumerated
- May 21, 2015
- Record last updated
- Sep 20, 2024
- Fax
- (941) 475-0801
- Medicare enrollment
- Enrolled (PECOS I20210828000022); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2015
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,513 in Florida → Look up another NPI →
Also registered at 900 Pine St Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Ditomaso, MDGastroenterology Physician1407840408
- Rachael Hamelink, AGACNPAdult Health Nurse Practitioner1841845658
- Adina Leonard, PHARMDPharmacist1841555729
- Christine Sill, APRN, FNP-CFamily Nurse Practitioner1881458255
- Lori Smith, RPHPharmacist1952865156
- Mary ToddPharmacist1487316907
Verify Karolina Siniakowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS18109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,653 Medicare Part D claims for 511 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Pantoprazole Sodium500 claims
- Omeprazole272 claims
- Famotidine124 claims
- Colestipol Hcl96 claims
- Linzess66 claims
- Sucralfate64 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Florida Digestive Health Specialists, LLPBradenton, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karolina Siniakowicz among 1,513 gastroenterology physician records in Florida
Karolina Siniakowicz, D.O. is one of 1,513 gastroenterology physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2015 · median 2000 among the 1,156 with a school on file
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Florida
There are 1,513 gastroenterology physician records in Florida.
All 1,513 in Florida → Every provider in Englewood → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Anthony Ditomaso, MDEnglewood, FL 342231407840408
- Herman Birkner, M.D.Sarasota, FL 342311417193582
- Ramon Colina, MDSarasota, FL 342321871511386
- Jason Colizzo, M.D.Sarasota, FL 342321538435003
- Poh Khaw, MDSarasota, FL 342321902878630
- Richard Morse, MDSarasota, FL 342321417926668
- Iren Pober, MDSarasota, FL 342321366415499
- Kinan Rahal, MDSarasota, FL 342321639278708
Common questions
What is Karolina Siniakowicz, D.O.'s NPI number?
Karolina Siniakowicz, D.O.'s National Provider Identifier (NPI) is 1083093280, issued on May 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Karolina Siniakowicz, D.O. located?
The NPPES record lists a practice address at 900 Pine St Ste 211, Englewood, FL, 34223. Phone: (941) 473-8881. Providers update this record themselves, so call before visiting.
How can I verify Karolina Siniakowicz, D.O.'s license?
NPPES lists Florida license number OS18109, 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 Karolina Siniakowicz, D.O. prescribe under Medicare Part D?
In 2024, Karolina Siniakowicz, D.O. had 1,653 Medicare Part D claims for 511 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Karolina Siniakowicz, D.O.'s MIPS final score?
The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.