NPPES file of Aug 9, 2026

David Delapp, DO

Pulmonary Disease Physician · Winfield, IL

David Delapp, DO is a pulmonary disease physician with a practice address in Winfield, Illinois, and NPI 1366860421, issued on Apr 4, 2014. Check the license (Illinois 036151988, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366860421
Name
David Delapp
Credential
DO
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
036151988 IL
036.151988 IL
Self-reported in NPPES; status is on the state search
Practice location
25 N Winfield RD Ste 204, Winfield, IL 60190
Phone
(630) 232-0202
Enumerated
Apr 4, 2014
Record last updated
Feb 7, 2024
Fax
(630) 690-2293
Medicare enrollment
Enrolled (PECOS I20200806000734); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 25 N Winfield RD Ste 204

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nimra Alvi, MDPediatric Sleep Medicine Physician1336670868
  2. Linda Chan, M.D.Pulmonary Disease Physician1235187253
  3. Reeti Greenwald, MDSleep Medicine (Psychiatry & Neurology) Physician1649690827
  4. Amanda Law, APRN, CNPNurse Practitioner1558380634
  5. Steven Pearson, M.D.Pulmonary Disease Physician1144609256
  6. Mahwish Saim, M.D.Pulmonary Disease Physician1649767997

Verify David Delapp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036151988
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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29% more Medicare Part D claims than the average pulmonary disease physician in 2024

1,834 Medicare Part D claims for 390 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.

  1. David Delapp1,834
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa270 claims
  2. Trelegy Ellipta207 claims
  3. Breo Ellipta180 claims
  4. Anoro Ellipta124 claims
  5. Stiolto Respimat101 claims
  6. Fluticasone-Salmeterol96 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $92.21

2 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Delapp$92.21
  2. Specialty average$5,159.88

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

  1. Central Dupage Physician GroupWinfield, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Delapp among 617 pulmonary disease physician records in Illinois

David Delapp, DO is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2014 · median 2005 among the 444 with a school on file
  • Record last updated2024 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 pulmonary disease physician records list a practice address in Winfield

They are 11 of the 778 NPPES records with a practice address in Winfield, and 617 pulmonary disease physician records in Illinois.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Linda Chan, M.D.Winfield, IL 601901235187253
  2. Andrew Korcek, MDWinfield, IL 601901588630495
  3. Linda Lam, DOWinfield, IL 601901700839354
  4. Timothy McGee, DOWinfield, IL 601901023061116
  5. Crystal Otteman, DOWinfield, IL 601901174578629
  6. Steven Pearson, M.D.Winfield, IL 601901144609256
  7. Mahwish Saim, M.D.Winfield, IL 601901649767997
  8. Benjamin Seides, MD, MPHWinfield, IL 601901770648073

Common questions

What is David Delapp, DO's NPI number?

David Delapp, DO's National Provider Identifier (NPI) is 1366860421, issued on Apr 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is David Delapp, DO located?

The NPPES record lists a practice address at 25 N Winfield RD Ste 204, Winfield, IL, 60190. Phone: (630) 232-0202. Providers update this record themselves, so call before visiting.

How can I verify David Delapp, DO's license?

NPPES lists Illinois license number 036151988, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Delapp, DO prescribe under Medicare Part D?

In 2024, David Delapp, DO had 1,834 Medicare Part D claims for 390 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

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.