Charles John Billington, MD
NPI 1235225160ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Minneapolis, MN
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Minneapolis, Minnesota, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $126,252 for 296 claims, against $2,400 paid for services in 2024.
Overview
| NPI | 1235225160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25965 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 36 across 4 procedure codes |
| Paid by Medicare | $2,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 296 · 464 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $126,252 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Minnesota Health Clinics and Surgery Center IncMinneapolis, MN · 617 clinicians
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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