Antonio A. Armstrong, M.D.
NPI 1235472705ActiveIndividual· Internal Medicine, Nephrology· Apopka, FL
Internal Medicine, Nephrology (M.D.) in Apopka, Florida, trained at Ponce School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $349,326 for 1,768 claims, against $195,370 paid for services in 2024. Amgen Inc. was the largest of 17 companies reporting payments in 2025, $981.19 in all, mostly food and beverage.
Overview
| NPI | 1235472705 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2013 |
| Last updated in NPPES | Dec 9, 2025 |
| Certified by provider | Dec 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | ME134450 | FL |
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 - Nephrology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 618 |
|---|---|
| Services billed | 2,217 across 22 procedure codes |
| Paid by Medicare | $195,370 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,768 · 3,443 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $349,326 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates of Central Florida, P.A.Orlando, FL · 34 clinicians
Hospital affiliation
- Adventhealth OrlandoOrlando, FL
Other facilities
- Apopka Artificial Kidney CenterDialysis facility · Apopka, FL
- Davita Apopka DialysisDialysis facility · Apopka, FL
- Davita Clarcona DialysisDialysis facility · Orlando, FL
Industry payments (Open Payments)
- 2025$981.19 · 42 payments from 17 companies
- 2024$853.50 · 42 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $278.48 | 15 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $168.57 | 4 |
| Scpharmaceuticals Inc. | $78.52 | 4 |
| Ardelyx, Inc. | $68.79 | 3 |
| Astrazeneca Pharmaceuticals LP | $52.30 | 2 |
What the 2025 payments were for
- Food and Beverage$939.71 · 40 payments
- Education$41.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Apopka
- 1013325752
- 1952954539