Douglas Rennert, M.D.
NPI 1992796502ActiveIndividual· Internal Medicine, Pulmonary Disease· Leesburg, VA
Internal Medicine, Pulmonary Disease (M.D.) in Leesburg, Virginia, trained at Columbia University College of Physicians and Surgeons (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $1,184,957 for 3,030 claims, against $320,991 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $2,910 in all, mostly food and beverage.
Overview
| NPI | 1992796502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Jul 10, 2023 |
| Certified by provider | Jul 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 0101043761 | VA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 0101043761 | VA |
| Internal Medicine, Sleep Medicine | 207RS0012X | 0101043761 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (DC); Practitioner - Pulmonary Disease (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 921 |
|---|---|
| Services billed | 4,567 across 42 procedure codes |
| Paid by Medicare | $320,991 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,030 · 5,250 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $1,184,957 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease, Sleep Medicine |
| Telehealth | Offers telehealth |
Medical group
- Pulmonary and Critical Care Associates, P.C.Reston, VA · 5 clinicians
Hospital affiliations
- Inova Loudoun HospitalLeesburg, VA
- Reston Hospital CenterReston, VA
- Stonesprings Hospital CenterDulles, VA
- Uva Health Haymarket Medical CenterHaymarket, VA
Industry payments (Open Payments)
- 2025$2,910 · 125 payments from 19 companies
- 2024$2,236 · 97 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $716.02 | 39 |
| Glaxosmithkline, LLC. | $566.36 | 28 |
| Regeneron Healthcare Solutions, Inc. | $402.19 | 17 |
| Inspire Medical Systems, Inc. | $238.39 | 3 |
| Insmed, Inc. | $229.39 | 8 |
What the 2025 payments were for
- Food and Beverage$2,910 · 125 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Leesburg
- 1336638675
- 1891462370
- 1023008182
- 1487060950
- 1639346430
- 1619967767
- 1407865082
- 1992869861
- 1841254265
- 1588689632
- 1871034595
All Internal Medicine, Pulmonary Disease providers in Virginia →