Nicholas B. Argento, M.D.L
NPI 1093781155ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Laurel, MD
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.L) in Laurel, Maryland, trained at University of Maryland School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $3,495,696 for 7,114 claims, against $220,846 paid for services in 2024. Dexcom, Inc. was the largest of 32 companies reporting payments in 2025, $128,598 in all, mostly speaking and faculty fees.
Overview
| NPI | 1093781155 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D.L |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | D34018 | MD |
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 - Endocrinology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 773 |
|---|---|
| Services billed | 6,488 across 37 procedure codes |
| Paid by Medicare | $220,846 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,114 · 19,150 30-day fills |
|---|---|
| Patients | 659 |
| Total drug cost | $3,495,696 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Maryland Endocrine, P.A.Columbia, MD · 10 clinicians
Hospital affiliation
- Johns Hopkins Hospital, theBaltimore, MD
Industry payments (Open Payments)
- 2025$128,598 · 220 payments from 32 companies
- 2024$126,148 · 271 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $44,525 | 53 |
| Lilly USA, LLC | $27,210 | 39 |
| Tandem Diabetes Care, Inc. | $25,764 | 28 |
| Novo Nordisk Inc | $21,211 | 33 |
| Eli Lilly and Company | $6,628 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$66,592 · 43 payments
- Compensation for serving as faculty or as a speaker for a medical education program$38,475 · 12 payments
- Travel and Lodging$12,341 · 46 payments
- Consulting Fee$6,075 · 2 payments
- Food and Beverage$5,073 · 116 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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