Dr. David Delapp, DO
- Medicare services, 2024
- 2,264
- Medicare patients, 2024
- 890
- Part D claims, 2024
- 1,834
- Publications
- 3
- Hospital affiliations
- 6
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. David Delapp is a pulmonologist in Winfield, Illinois
Dr. Delapp practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Delapp's NPI, 1366860421, was assigned on April 4, 2014. Dr. Delapp graduated from Philadelphia College of Osteopathic Medicine in 2014. Dr. Delapp holds Illinois license 036151988.
- NPI
- 1366860421NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911128996
- NPI enumeration date
- April 4, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Delapp practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Delapp's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Dr. David Delapp is affiliated with 8 sites of care and 1 medical group
Dr. Delapp's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Delapp is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Dr. Delapp to 4 more hospitals, 1 breast imaging center and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Delapp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Delapp practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Delapp is one of 517 pulmonologists in Illinois
Pulmonary disease is Dr. Delapp's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Delapp is licensed in Illinois.
Specialties and state licenses
- Pulmonary disease, IllinoisPrimary
Pulmonologists near Dr. Delapp
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Delapp billed Medicare for 2,264 services in 2024
CMS data shows 2,264 Medicare services from Dr. Delapp across 21 procedure codes in 2024, for 890 Medicare patients. Medicare paid $173,658 for them.
Dr. Delapp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5162024: 1,4961%
- Tests and treatments
- 2023: 5132024: 5568%
- Other services
- 2023: 02024: 199
- Surgery
- 2023: 152024: 1313%
Where Dr. Delapp's Medicare services took place, 2024
- In an office1,51967%
- In a facility74533%
Dr. Delapp compared with the Illinois median for pulmonologists, 2024
- Dr. Delapp
- Illinois median
- Medicare services
- 2,264vs 7692.9 times
- Medicare patients
- 890vs 3412.6 times
- Part D claims
- 1,660vs 4923.4 times
Medians across 522 pulmonologists in Illinois with Dmand AI profiles that report each measure.
Dr. Delapp's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Delapp and other pulmonologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Delapp treated 890 Medicare patients in 2024, average age 75
CMS counts 890 Medicare patients who saw Dr. Delapp in 2024. The largest group is 65 to 74, with 371 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Delapp's median patient age at 71, with 50% women.
Dr. Delapp's Medicare patients by age, 2024
Dr. Delapp's Medicare patients by sex, 2024
- Women44750%
- Men44350%
Chronic conditions among Dr. Delapp's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- COPD53%
- Ischemic heart disease45%
- Heart failure41%
- Anxiety37%
- Chronic kidney disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Delapp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Delapp wrote 1,834 Medicare Part D claims in 2024
In 2024, Dr. Delapp wrote 1,834 Medicare Part D claims for 390 patients. 35% of them were for generic drugs. CMS names the drug for 1,660 of them, across 32 drugs with 11 or more claims each, at $815,926 in total drug cost. In 2023, CMS named 1,239 claims across 28 drugs.
Dr. Delapp's Part D claims by kind of drug, 2024
- Generic639 claims35%
- Brand-name1,195 claims65%
Dr. Delapp's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Delapp's Part D claims, 2024
- Antibiotics4%80 of 1,834 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,2392024: 1,66034%
Drugs named by CMS: 32 in 2024, 28 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. David Delapp offers telehealth to Medicare patients
Dr. Delapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Delapp as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Delapp has 3 publications on record
Dmand AI links 3 papers to Dr. Delapp, published from 2016 to 2020. Dr. Delapp has published most often in Respir Med Case Rep. Dr. Delapp's most frequent co-authors are Christopher A. Chan, DO, Perry G. Nystrom, MD and Rodrigo Silva Cavallazzi, MD.
Dr. Delapp's papers by year, 2016 to 2020
Dr. Delapp's most frequent co-authors
- Christopher A. Chan, DO2 shared papers
- Perry G. Nystrom, MD2 shared papers
- Rodrigo Silva Cavallazzi, MD1 shared paper
Recent publications by Dr. Delapp
See who Dr. Delapp researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Delapp works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Delapp received $1,312 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Delapp from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Inspire Medical Systems, Inc. paid the most, $626.
General payments to Dr. Delapp by program year, 2016 to 2025
General payments to Dr. Delapp by kind, 2016 to 2025
- Food and beverage$1,21392%
- Education$998%
Companies that paid Dr. Delapp the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Delapp graduated from Philadelphia College of Osteopathic Medicine
Dr. Delapp graduated from Philadelphia College of Osteopathic Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Delapp'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. David Delapp
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. David Delapp's NPI number?
Dr. David Delapp's NPI number is 1366860421. It was assigned on April 4, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. David Delapp?
Dr. David Delapp is a pulmonologist in Winfield, Illinois. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. David Delapp practice?
Dr. Delapp practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Delapp's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Delapp to 4 hospitals, 1 breast imaging center and 1 clinical lab.
What is Dr. David Delapp's office phone number?
The practice phone on file for Dr. Delapp is (630) 682-1600.
What is Dr. David Delapp's medical license number?
Dr. Delapp holds Illinois license 036151988.
Which hospitals is Dr. David Delapp affiliated with?
Dr. Delapp practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Delapp is also affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Delapp to 4 more hospitals.
What medical group is Dr. David Delapp part of?
Dr. Delapp is linked to Northwestern Medicine Regional Medical Group.
Does Dr. David Delapp accept Medicare?
Yes. CMS data shows Dr. Delapp billed Medicare for 2,264 services in 2024, and Dr. Delapp accepts Medicare assignment.
Does Dr. David Delapp offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Delapp as offering telehealth services.
How many Medicare patients does Dr. David Delapp see?
CMS counts 890 Medicare patients who saw Dr. Delapp in 2024, with an average age of 75.
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What services does Dr. David Delapp bill to Medicare?
In 2024, Dr. Delapp's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. David Delapp go to medical school?
Dr. Delapp graduated from Philadelphia College of Osteopathic Medicine in 2014.
What drugs does Dr. David Delapp prescribe most?
In 2024 Medicare Part D data, Dr. Delapp's most prescribed drugs by claims were Albuterol Sulfate Hfa, Trelegy Ellipta and Breo Ellipta.
Has Dr. David Delapp received payments from drug or device companies?
CMS Open Payments shows $1,312 in general payments to Dr. Delapp from 8 companies from 2016 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. David Delapp been practicing?
Dr. Delapp graduated from medical school in 2014, 12 years ago.
Does Dr. David Delapp do research?
Dmand AI links 3 publications to Dr. Delapp, published from 2016 to 2020.
Who does Dr. David Delapp publish with?
Dr. Delapp's most frequent co-authors are Christopher A. Chan, DO (2 shared papers), Perry G. Nystrom, MD (2 shared papers) and Rodrigo Silva Cavallazzi, MD (1 shared paper).
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