Denise R. Armellini, MD
NPI 1811107162ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fairfax, VA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with The Endocrine Center PC, practicing in Fairfax, Virginia. Their prescriptions cost Medicare Part D more than their services did: $353,921 for 776 claims, against $28,618 paid for services in 2024. Ibsa Pharma Inc. was the largest of 5 companies reporting payments in 2025, $136.40 in all, mostly food and beverage. Lists Virginia Hospital Center as a hospital affiliation.
Overview
| NPI | 1811107162 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Aug 23, 2023 |
| Certified by provider | Aug 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 0101249673 | VA |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | D71184 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 332 across 7 procedure codes |
| Paid by Medicare | $28,618 |
Part D prescriptions in 2024
| Prescriptions (claims) | 776 · 2,007 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $353,921 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- The Endocrine Center PCFairfax, VA · 2 clinicians
Hospital affiliation
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
- 2025$136.40 · 7 payments from 5 companies
- 2024$87.17 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ibsa Pharma Inc. | $46.98 | 2 |
| Sequel Med Tech, LLC | $32.97 | 2 |
| Insulet Corporation | $24.28 | 1 |
| Mannkind Corporation | $17.32 | 1 |
| Tandem Diabetes Care, Inc. | $14.85 | 1 |
What the 2025 payments were for
- Food and Beverage$136.40 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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