David Delapp, DO
NPI 1366860421ActiveIndividual· Internal Medicine, Pulmonary Disease· Winfield, IL
Internal Medicine, Pulmonary Disease (DO) in Winfield, Illinois, trained at Philadelphia College of Osteopathic Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $886,082 for 1,834 claims, against $181,344 paid for services in 2024. Inspire Medical Systems, Inc. was the largest of 2 companies reporting payments in 2025, $252.50 in all, mostly food and beverage.
Overview
| NPI | 1366860421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 4, 2014 |
| Last updated in NPPES | Oct 15, 2026 |
| Certified by provider | Oct 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036151988 | IL |
| Internal Medicine, Sleep Medicine | 207RS0012X | 036.151988 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 890 |
|---|---|
| Services billed | 2,426 across 47 procedure codes |
| Paid by Medicare | $181,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,834 · 2,942 30-day fills |
|---|---|
| Patients | 390 |
| Total drug cost | $886,082 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Marianjoy Rehabilitation CenterInpatient rehabilitation facility · Wheaton, IL
Industry payments (Open Payments)
- 2025$252.50 · 2 payments from 2 companies
- 2024$92.21 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $137.86 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $114.64 | 1 |
What the 2025 payments were for
- Food and Beverage$252.50 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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