Cesar Abraham Santillana, MD
NPI 1063974889ActiveIndividual· Internal Medicine· Tucson, AZ
Internal Medicine (MD) with Baptist Health Medical Group Inc and 4 other groups, practicing in Tucson, Arizona. 476 Medicare patients in 2024, $67,242 paid; nearly all of their 570 Part D prescriptions were generic (90%). Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $21.82 in payments in 2025, mostly food and beverage. Lists Baptist Health Hardin and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1063974889 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2019 |
| Last updated in NPPES | Aug 14, 2026 |
| Certified by provider | Aug 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C-193242 | CA |
| Internal Medicine | 207R00000X | 036162486 | IL |
| Internal Medicine | 207R00000X | ME153137 | FL |
| Hospitalist | 208M00000X | 036162486 | IL |
| Internal Medicine | 207R00000X | MD2022-1447 | NM |
| Hospitalist | 208M00000X | 339579 | LA |
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 (AZ); Practitioner - Internal Medicine (CA); Practitioner - Hospitalist (FL); Practitioner - Internal Medicine (FL); Practitioner - Hospitalist (IL); Practitioner - Internal Medicine (IN); Practitioner - Internal Medicine (KY); Practitioner - Internal Medicine (ME); Practitioner - Internal Medicine (NM); Practitioner - Internal Medicine (SC); Practitioner - Internal Medicine (TN); Practitioner - Internal Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 476 |
|---|---|
| Services billed | 733 across 12 procedure codes |
| Paid by Medicare | $67,242 |
Part D prescriptions in 2024
| Prescriptions (claims) | 570 · 858 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $34,016 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Baptist Health Medical Group IncMadison, IN · 2,472 clinicians
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
- McLeod Regional Medical Center of the Pee Dee IncMyrtle Beach, SC · 406 clinicians
- Apogee Medical Group IncKingman, AZ · 82 clinicians
- Quantum Bay Area Hospitalist Medical Group IncSan Jose, CA · 60 clinicians
Hospital affiliations
- Baptist Health HardinElizabethtown, KY
- Good Samaritan HospitalSan Jose, CA
- McLeod Regional Medical Center-Pee DeeFlorence, SC
- Santa Clara Valley Medical CenterSan Jose, CA
- St Francis HospitalMemphis, TN
Industry payments (Open Payments)
- 2025$21.82 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $21.82 | 1 |
What the 2025 payments were for
- Food and Beverage$21.82 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 742 internal medicine physicians in Tucson · All internal medicine physicians in Arizona