Mayra Rivera Santiago, M.D.
NPI 1083646913ActiveIndividual· Internal Medicine· Tampa, FL
Internal Medicine (M.D.) in Tampa, Florida, trained at Michigan College of Medicine and Surgery (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $455,420 for 4,253 claims, against $38,337 paid for services in 2024. Novo Nordisk Inc was the largest of 14 companies reporting payments in 2025, $1,183 in all, mostly food and beverage.
Overview
| NPI | 1083646913 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Aug 27, 2021 |
| Certified by provider | Aug 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME79661 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 550 across 37 procedure codes |
| Paid by Medicare | $38,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,253 · 9,613 30-day fills |
|---|---|
| Patients | 403 |
| Total drug cost | $455,420 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Michigan College of Medicine and Surgery |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
- Ohi West Medical Group II LLCLutz, FL · 413 clinicians
Hospital affiliation
- Adventhealth TampaTampa, FL
Industry payments (Open Payments)
- 2025$1,183 · 61 payments from 14 companies
- 2024$1,132 · 62 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $381.63 | 23 |
| Astellas Pharma US Inc | $136.76 | 3 |
| Astrazeneca Pharmaceuticals LP | $122.51 | 7 |
| Abbvie Inc. | $121.88 | 5 |
| Pfizer Inc. | $119.64 | 6 |
What the 2025 payments were for
- Food and Beverage$1,098 · 60 payments
- Education$84.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Tampa
- 1013447408
- 1023081676
- 1023350410
- 1033162052
- 1073796637
- 1083930655
- 1093010126
- 1114487493
- 1114959046
- 1124039284
- 1144339862
- 1144414673
All 880 internal medicine physicians in Tampa · All internal medicine physicians in Florida