Esteffania Cristina Villegas Santamaria, MD
NPI 1457804395ActiveIndividual· Internal Medicine, Cardiovascular Disease· Ames, IA
Internal Medicine, Cardiovascular Disease (MD) with McFarland Clinic PC and 4 other groups, practicing in Ames, Iowa. Their prescriptions cost Medicare Part D more than their services did: $232,813 for 1,317 claims, against $79,608 paid for services in 2024. Pfizer Inc. reported $18.05 in payments in 2025, mostly food and beverage. Lists Boone County Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1457804395 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2016 |
| Last updated in NPPES | Sep 24, 2024 |
| Certified by provider | Sep 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 51761 | IA |
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 - Cardiovascular Disease (Cardiology) (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,274 |
|---|---|
| Services billed | 2,528 across 40 procedure codes |
| Paid by Medicare | $79,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,317 · 2,741 30-day fills |
|---|---|
| Patients | 295 |
| Total drug cost | $232,813 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- McFarland Clinic PCAmes, IA · 363 clinicians
- Iowa Specialty Hospital- ClarionClarion, IA · 98 clinicians
- Belmond Community HospitalBelmond, IA · 92 clinicians
- Mary Greeley Medical CenterAlpharetta, GA · 31 clinicians
- Story County HospitalNevada, IA · 16 clinicians
Hospital affiliations
- Boone County HospitalBoone, IA
- Iowa Specialty Hospital - BelmondBelmond, IA
- Mary Greeley Medical CenterAmes, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Story County HospitalNevada, IA
Industry payments (Open Payments)
- 2025$18.05 · 1 payment from 1 company
- 2024$37.61 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $18.05 | 1 |
What the 2025 payments were for
- Food and Beverage$18.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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