Dr. Dennis M. Drehner, DO
- Publications
- 22
- Industry payments
- $25
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 3
- Practice address
- 1600 Rockland Rd, Wilmington, DE 19803
- Practice phone
- Call (302) 651-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nemours Children's Hospital - Delaware
Wilmington, Delaware
Find Dr. Drehner'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. Dennis M. Drehner is a pediatric pathology physician in Wilmington, Delaware
Dr. Drehner practices at Nemours Children's Hospital - Delaware in Wilmington, Delaware.
Dr. Drehner's NPI, 1578556643, was assigned on August 24, 2005. Dr. Drehner graduated from Pcom in 1979. Dr. Drehner holds Minnesota license 41867.
- NPI
- 1578556643NPI Registry (opens in a new tab)
- NPI enumeration date
- August 24, 2005
- NPI status
- Active
- Practice phone
- (302) 651-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Dennis M. Drehner practices at Nemours Children's Hospital - Delaware in Wilmington, Delaware
Dr. Drehner's primary practice is Nemours Children's Hospital - Delaware, at 1600 Rockland Rd, Wilmington, DE 19803 in New Castle County. The practice phone is (302) 651-4000.
- Nemours Children's Hospital - Delaware1600 Rockland Rd, Wilmington, DE 19803 · New Castle CountyPhone(302) 651-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dennis M. Drehner is affiliated with 2 sites of care and 1 medical group
Dr. Drehner's primary practice is Nemours Children's Hospital - Delaware in Wilmington, Delaware. The medical group on file is Nemours Children's Hospital, Delaware. Dmand AI also links Dr. Drehner to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dennis M. Drehner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Drehner 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 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis M. Drehner's specialty is pediatric pathology
Pediatric pathology is Dr. Drehner's primary specialty in the NPI Registry, under taxonomy code 207ZP0213X. Dr. Drehner is board certified in medical microbiology by the American Board of Medical Microbiology. Dr. Drehner is licensed in Minnesota.
Specialties and state licenses
- Pediatric pathology, MinnesotaPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Dennis M. Drehner's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Drehner's median patient age at 12, with 46% women.
Dr. Drehner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Dennis M. Drehner has 22 publications on record
Dmand AI links 22 papers to Dr. Drehner, published from 2012 to 2022. The most frequent topics are Diagnosis, Differential, Military Personnel and Biopsy. Dr. Drehner has published most often in Mil Med. Dr. Drehner's most frequent co-authors are David P. Dooley, MD, Thomas Stephan Neuhauser, MD and Brianne Barnett Roby, MD.
Dr. Drehner's papers by year, 2012 to 2022
Topics Dr. Drehner writes about most
- Diagnosis, Differential
- Military Personnel
- Biopsy
- Aerospace Medicine
- Antineoplastic Combined Chemotherapy Protocols
- Base Sequence
- Bronchoscopy
- Coccidioidomycosis
Dr. Drehner's most frequent co-authors
- David P. Dooley, MD2 shared papers
- Thomas Stephan Neuhauser, MD2 shared papers
- Brianne Barnett Roby, MD2 shared papers
Recent publications by Dr. Drehner
Pediatr Neurosurg
Int J Pediatr Otorhinolaryngol
Clin Infect Dis
See who Dr. Drehner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Drehner works with, so you can find a warm path to the right pediatric pathology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Dennis M. Drehner received $25 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Drehner from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Roche Diagnostics Corporation paid the most, $25.
Companies that paid Dr. Drehner the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dennis M. Drehner graduated from Pcom
Dr. Drehner graduated from Pcom in 1979. Dr. Drehner is a member of AOA.
- Medical school
- Board certified in medical microbiology
- Board certified in anatomic pathology & clinical pathology
- Board certified in pediatric pathology
- Board certified in pediatrics
- Board certified in 2022 - 2027
- Board certified in 2012 - 2026
- Board certified in 1999 - 2026
- Board certified in 1981 - 2016
- Board certified in 1992 - 2009
Source: Dmand AI Professional Profile Data
Dr. Dennis M. Drehner accepts plans from 3 insurance carriers
Dr. Drehner is in network with 3 carriers, including Aetna, DE State Medicaid and WI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- DE State Medicaid
- WI State Medicaid
Plan types Dr. Drehner accepts, by number of carriers
- Medicaid2
- EPO1
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Dennis M. Drehner'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Dennis M. Drehner
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. Dennis M. Drehner's NPI number?
Dr. Dennis M. Drehner's NPI number is 1578556643. It was assigned on August 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis M. Drehner?
Dr. Dennis M. Drehner is a pediatric pathology physician in Wilmington, Delaware. The primary specialty in the NPI Registry is Pediatric Pathology Physician (taxonomy code 207ZP0213X).
Where does Dr. Dennis M. Drehner practice?
Dr. Drehner practices at 1600 Rockland Rd, Wilmington, DE 19803. Dr. Drehner's primary practice is Nemours Children's Hospital - Delaware in Wilmington, Delaware. Dmand AI also links Dr. Drehner to 1 group practice or clinic.
What is Dr. Dennis M. Drehner's office phone number?
The practice phone on file for Dr. Drehner is (302) 651-4000.
What is Dr. Dennis M. Drehner's medical license number?
Dr. Drehner holds Minnesota license 41867.
What medical group is Dr. Dennis M. Drehner part of?
Dr. Drehner is linked to Nemours Children's Hospital, Delaware.
Is Dr. Dennis M. Drehner board certified?
Yes. Dr. Drehner is board certified in medical microbiology by the American Board of Medical Microbiology.
Where did Dr. Dennis M. Drehner go to medical school?
Dr. Drehner graduated from Pcom in 1979.
Has Dr. Dennis M. Drehner received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Drehner from 1 company from 2022 to 2022. The largest total came from Roche Diagnostics Corporation.
How long has Dr. Dennis M. Drehner been practicing?
Dr. Drehner graduated from medical school in 1979, 47 years ago.
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Does Dr. Dennis M. Drehner do research?
Dmand AI links 22 publications to Dr. Drehner, published from 2012 to 2022.
Who does Dr. Dennis M. Drehner publish with?
Dr. Drehner's most frequent co-authors are David P. Dooley, MD (2 shared papers), Thomas Stephan Neuhauser, MD (2 shared papers) and Brianne Barnett Roby, MD (2 shared papers).
What insurance does Dr. Dennis M. Drehner accept?
Dr. Drehner is in network with 3 carriers, including Aetna, DE State Medicaid and WI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
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