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Dr. John W. Ostrowski, MD
NPI1790770956
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $1,346
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 1600 Rockland Rd PO Box 269, Wilmington, DE 19899
- Practice phone
- Call (302) 651-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ostrowski's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John W. Ostrowski is an anesthesiologist in Wilmington, Delaware
Dr. Ostrowski practices at Nemours Children's Hospital, Delaware in Wilmington, Delaware, part of The Nemours Foundation.
Dr. Ostrowski's NPI, 1790770956, was assigned on September 14, 2005. Dr. Ostrowski graduated from Rutgers New Jersey Medical School in 1992. Dr. Ostrowski holds Delaware license C10008937.
NPI and contact details
- NPI
- 1790770956NPI Registry (opens in a new tab)
- NPI enumeration date
- September 14, 2005
- NPI status
- Active
- Practice phone
- (302) 651-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John W. Ostrowski practices at Nemours Children's Hospital, Delaware in Wilmington, Delaware
Dr. Ostrowski's primary practice is Nemours Children's Hospital, Delaware, at 1600 Rockland Rd PO Box 269, Wilmington, DE 19899 in New Castle County. The practice phone is (302) 651-4000.
- Nemours Children's Hospital, Delaware1600 Rockland Rd PO Box 269, Wilmington, DE 19899 · New Castle CountyPhone(302) 651-4000
Source: Dmand AI Affiliation Data
Dr. John W. Ostrowski is affiliated with 1 site of care and 2 medical groups
Dr. Ostrowski's primary practice is Nemours Children's Hospital, Delaware in Wilmington, Delaware, part of The Nemours Foundation. The medical group on file is Nemours Children's Hospital, Delaware. Dmand AI also links Dr. Ostrowski to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John W. Ostrowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ostrowski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nemours Children's Hospital, Delaware | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across The Nemours Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John W. Ostrowski is one of 134 anesthesiologists in Delaware
Anesthesiology is Dr. Ostrowski's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Ostrowski's licenses on file in 2 states: Delaware and New York.
Specialties and state licenses
- Anesthesiology, DelawarePrimary
- New York license
Anesthesiologists near Dr. Ostrowski
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
134anesthesiologists in Delaware69anesthesiologists in Wilmington17anesthesiologists at Nemours Children's Hospital, Delaware
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John W. Ostrowski's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Ostrowski's median patient age at 10, with 47% women.
Dr. Ostrowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. John W. Ostrowski has 1 publication on record
Dmand AI links 1 paper to Dr. Ostrowski in 2023. Dr. Ostrowski's most frequent co-authors are Mark Joseph Cartoski, MD, Sharon W. Gould, MD and Mary P. Harty, MD.
Papers1
Dr. Ostrowski's most frequent co-authors
- Mark Joseph Cartoski, MD1 shared paper
- Sharon W. Gould, MD1 shared paper
- Mary P. Harty, MD1 shared paper
Recent publications by Dr. Ostrowski
See who Dr. Ostrowski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ostrowski works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John W. Ostrowski received $1,346 in industry payments from 2018 to 2023
CMS Open Payments shows 6 general payments to Dr. Ostrowski from 3 drug and device companies from 2018 to 2023. Education make up the largest share, 58% of the total. Patterson Companies, Inc. paid the most, $650.
General payments to Dr. Ostrowski by program year, 2018 to 2023
General payments to Dr. Ostrowski by kind, 2018 to 2023
$1.3Kin total
- Education$78058%
- Food and beverage$56642%
Companies that paid Dr. Ostrowski the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. Ostrowski graduated from Rutgers New Jersey Medical School
Dr. Ostrowski graduated from Rutgers New Jersey Medical School in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Ostrowski's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John W. Ostrowski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John W. Ostrowski's NPI number?
Dr. John W. Ostrowski's NPI number is 1790770956. It was assigned on September 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Ostrowski?
Dr. John W. Ostrowski is an anesthesiologist in Wilmington, Delaware. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John W. Ostrowski practice?
Dr. Ostrowski practices at 1600 Rockland Rd PO Box 269, Wilmington, DE 19899. Dr. Ostrowski's primary practice is Nemours Children's Hospital, Delaware in Wilmington, Delaware, part of The Nemours Foundation. Dmand AI also links Dr. Ostrowski to 1 medical group.
What is Dr. John W. Ostrowski's office phone number?
The practice phone on file for Dr. Ostrowski is (302) 651-4000.
What is Dr. John W. Ostrowski's medical license number?
Dr. Ostrowski holds Delaware license C10008937, one of the licenses on file in 2 states.
Which states has Dr. John W. Ostrowski been licensed in?
Dmand AI has state licenses on file for Dr. Ostrowski in Delaware and New York.
Which hospitals is Dr. John W. Ostrowski affiliated with?
Dr. Ostrowski practices at Nemours Children's Hospital, Delaware in Wilmington, Delaware.
What medical group is Dr. John W. Ostrowski part of?
Dr. Ostrowski is linked to Nemours Children's Hospital, Delaware. Dmand AI links Dr. Ostrowski to 1 more medical group.
Where did Dr. John W. Ostrowski go to medical school?
Dr. Ostrowski graduated from Rutgers New Jersey Medical School in 1992.
Has Dr. John W. Ostrowski received payments from drug or device companies?
CMS Open Payments shows $1,346 in general payments to Dr. Ostrowski from 3 companies from 2018 to 2023. The largest total came from Patterson Companies, Inc.
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How long has Dr. John W. Ostrowski been practicing?
Dr. Ostrowski graduated from medical school in 1992, 34 years ago.
Does Dr. John W. Ostrowski do research?
Dmand AI links 1 publication to Dr. Ostrowski.
Who does Dr. John W. Ostrowski publish with?
Dr. Ostrowski's most frequent co-authors are Mark Joseph Cartoski, MD (1 shared paper), Sharon W. Gould, MD (1 shared paper) and Mary P. Harty, MD (1 shared paper).
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