Nathan E. Millikan, MD
NPI 1679542716ActiveIndividual· Internal Medicine, Cardiovascular Disease· Indianapolis, IN
Internal Medicine, Cardiovascular Disease (MD) in Indianapolis, Indiana, trained at Indiana University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $1,044,037 for 5,811 claims, against $87,833 paid for services in 2024.
Overview
| NPI | 1679542716 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Feb 19, 2025 |
| Certified by provider | Feb 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 01043574A | IN |
| Internal Medicine | 207R00000X | 01043574A | IN |
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) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 977 |
|---|---|
| Services billed | 2,172 across 22 procedure codes |
| Paid by Medicare | $87,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,811 · 15,150 30-day fills |
|---|---|
| Patients | 840 |
| Total drug cost | $1,044,037 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- St Vincent Medical Group IncCarmel, IN · 736 clinicians
- Rush Memorial HospitalRushville, IN · 69 clinicians
Hospital affiliations
- Ascension St Vincent AndersonAnderson, IN
- Ascension St Vincent KokomoKokomo, IN
- Ascension St Vincent RandolphWinchester, IN
- Rush Memorial HospitalRushville, IN
- St Vincent Heart CenterCarmel, IN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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