Gregory Lalonde, MD
NPI 1629569587ActiveIndividual· Internal Medicine· Baltimore, MD
Internal Medicine (MD) in Baltimore, Maryland, trained at Louisiana State University School of Medicine in New Orleans (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $333,823 for 3,024 claims, against $38,719 paid for services in 2024. Exact Sciences Corporation reported $16.47 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629569587 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2018 |
| Last updated in NPPES | Jul 13, 2022 |
| Certified by provider | Jul 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0094016 | MD |
| Internal Medicine | 207R00000X | 125.072166 | IL |
| Hospitalist | 208M00000X | 036-156422 | IL |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 215 |
|---|---|
| Services billed | 716 across 19 procedure codes |
| Paid by Medicare | $38,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,024 · 6,125 30-day fills |
|---|---|
| Patients | 337 |
| Total drug cost | $333,823 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Maryland General Clinical Practice Group, Inc.Baltimore, MD · 59 clinicians
Hospital affiliations
- Umd Rehabilitation & Orthopaedic InstituteBaltimore, MD
- University of Maryland Medical CenterBaltimore, MD
- University of MD Medical Center Midtown CampusBaltimore, MD
Other facilities
- HomecallHome health agency · Baltimore, MD
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, MD
Industry payments (Open Payments)
- 2025$16.47 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $16.47 | 1 |
What the 2025 payments were for
- Food and Beverage$16.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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