John W. Ostrowski, MD
Anesthesiology Physician · Wilmington, DE
John W. Ostrowski, MD is an anesthesiology physician with a practice address in Wilmington, Delaware, and NPI 1790770956, issued on Sep 14, 2005. Check the license (Delaware C10008937, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John W. Ostrowski
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- C10008937 DE
196716 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Rockland Road, Wilmington, DE 19803
- Phone
- (302) 651-4000
- Enumerated
- Sep 14, 2005
- Record last updated
- Sep 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 651-5345
- Medicaid ID
- 02111782 NY
- Entity
- Type 1 · individual
Also registered at 1600 Rockland Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John W. Ostrowski 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 C10008937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Anesthesiology Physician providers in Delaware
There are 124 anesthesiology physician records in Delaware. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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 John W. Ostrowski, MD's NPI number?
John W. Ostrowski, MD's National Provider Identifier (NPI) is 1790770956, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John W. Ostrowski, MD located?
The NPPES record lists a practice address at 1600 Rockland Road, Wilmington, DE, 19803. Phone: (302) 651-4000. Providers update this record themselves, so call before visiting.
How can I verify John W. Ostrowski, MD's license?
NPPES lists Delaware license number C10008937, 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. 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.