Craig Wierum, M.D.
NPI 1609867233ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Nashville, TN
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Nashville, Tennessee, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $612,145 for 2,268 claims, against $178,762 paid for services in 2024. Lilly USA, LLC was the largest of 21 companies reporting payments in 2025, $174,690 in all, mostly speaking and faculty fees.
Overview
| NPI | 1609867233 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Oct 25, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD023482 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 9,410 across 72 procedure codes |
| Paid by Medicare | $178,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,268 · 5,170 30-day fills |
|---|---|
| Patients | 350 |
| Total drug cost | $612,145 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Heritage Medical Associates PCBrentwood, TN · 164 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Vanderbilt University Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$174,690 · 340 payments from 21 companies
- 2024$119,335 · 300 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $91,601 | 124 |
| Novo Nordisk Inc | $79,665 | 69 |
| Amgen Inc. | $476.73 | 26 |
| Medtronic, Inc. | $453.49 | 13 |
| Beta Bionics, Inc. | $360.03 | 11 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$139,385 · 77 payments
- Travel and Lodging$18,484 · 44 payments
- Consulting Fee$10,114 · 1 payment
- Food and Beverage$6,700 · 217 payments
- Education$7.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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