Douglas Allen Arenberg, MD
NPI 1043392954ActiveIndividual· Internal Medicine, Pulmonary Disease· Ann Arbor, MI
Internal Medicine, Pulmonary Disease (MD) in Ann Arbor, Michigan, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1990). In 2024 Medicare paid $37,048 for 222 patients, and Part D covered 65 of their prescriptions, 31% of them generic.
Overview
| NPI | 1043392954 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Jun 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 4301056075 | MI |
| Internal Medicine | 207R00000X | 4301056075 | MI |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 4301056075 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 404 across 40 procedure codes |
| Paid by Medicare | $37,048 |
Part D prescriptions in 2024
| Prescriptions (claims) | 65 · 77 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $27,070 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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