Maciej Klosowski, MD
Anesthesiology Physician · Lewes, DE
Maciej Klosowski, MD is an anesthesiology physician with a practice address in Lewes, Delaware, and NPI 1093177628, issued on Mar 23, 2016. Check the license (Delaware C1-0024033, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Maciej Klosowski
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- C1-0024033 DE
Self-reported in NPPES; status is on the state search - Practice location
- 424 Savannah RD, Lewes, DE 19958
- Phone
- (302) 645-3580
- Enumerated
- Mar 23, 2016
- Record last updated
- Aug 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211113000129); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 424 Savannah RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda AbbottRegistered Nurse1356731657
- Mary Abercrombie, RNRegistered Nurse1972035301
- Lorie Vic Acacio-Nolasco, R.N.Registered Nurse1891184685
- Kathleen AdamsRegistered Nurse1477941243
- Renee Adams, RNRegistered Nurse1881246940
- Oluwaseun Adeniyi, MDInternal Medicine Physician1154906097
Verify Maciej Klosowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0024033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $19.51
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 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
- Delaware Anesthesia Associates PARehoboth Beach, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
12 anesthesiology physician records list a practice address in Lewes
They are 12 of the 1,696 NPPES records with a practice address in Lewes, and 124 anesthesiology physician records in Delaware.
All 12 in Lewes → All 124 in Delaware → Every provider in Lewes →
Other anesthesiology physician records in Delaware
- Mona Abdel-Misih, MDNew Castle, DE1982668836
- Suleiman Abu Afash, MDWilmington, DE1194711754
- Bruce Aldred, M.D.Lewes, DE1134216864
- Stephani Allison, M.D.Lewes, DE1629187539
- Kristina Antanavicius, MDWilmington, DE1922255611
- Judith Barnett, DONewark, DE1932649191
- Louis Berges, MDSeaford, DE1417952987
- David Blumberg, M.D.Wilmington, DE1023183548
- Thomas Boerner, M.D.Wilmington, DE1184610511
- Neal Brickhouse, MDDover, DE1588653810
Common questions
What is Maciej Klosowski, MD's NPI number?
Maciej Klosowski, MD's National Provider Identifier (NPI) is 1093177628, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Maciej Klosowski, MD located?
The NPPES record lists a practice address at 424 Savannah RD, Lewes, DE, 19958. Phone: (302) 645-3580. Providers update this record themselves, so call before visiting.
How can I verify Maciej Klosowski, MD's license?
NPPES lists Delaware license number C1-0024033, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.