Robert Alexander, MD
NPI 1285688309ActiveIndividual· Internal Medicine, Pulmonary Disease· Denville, NJ
Internal Medicine, Pulmonary Disease (MD) in Denville, New Jersey, trained at University of Missouri, Columbia School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $618,434 for 2,546 claims, against $331,630 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 19 companies reporting payments in 2025, $1,826 in all, mostly food and beverage.
Overview
| NPI | 1285688309 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Apr 11, 2023 |
| Certified by provider | Apr 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MA056847 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 697 |
|---|---|
| Services billed | 6,998 across 36 procedure codes |
| Paid by Medicare | $331,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,546 · 3,524 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $618,434 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Trudoc LLCClifton, NJ · 7 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Other facilities
- Dwelling Place at St ClaresNursing home · Dover, NJ
Industry payments (Open Payments)
- 2025$1,826 · 135 payments from 19 companies
- 2024$1,673 · 125 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $663.81 | 50 |
| Astrazeneca Pharmaceuticals LP | $393.12 | 40 |
| Axsome Therapeutics, Inc. | $102.06 | 6 |
| Philips North America LLC | $86.11 | 5 |
| Insmed, Inc. | $79.91 | 5 |
What the 2025 payments were for
- Food and Beverage$1,826 · 135 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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