Colleen B. Vanderkolk, DO
NPI 1811935711ActiveIndividual· Psychiatry & Neurology, Neurology· Nashville, TN
Psychiatry & Neurology, Neurology (DO) with Saint Thomas Medical Partners and 1 other group, practicing in Nashville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $669,662 for 1,826 claims, against $90,356 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $30.23 in all, mostly food and beverage. Lists Ascension Saint Thomas Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1811935711 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Aug 12, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 2627 | TN |
| Psychiatry & Neurology, Neurology | 2084N0400X | 45412-021 | WI |
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 - Neurology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 350 |
|---|---|
| Services billed | 9,641 across 19 procedure codes |
| Paid by Medicare | $90,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,826 · 2,561 30-day fills |
|---|---|
| Patients | 168 |
| Total drug cost | $669,662 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Saint Thomas Medical PartnersNashville, TN · 590 clinicians
- Williamson Professional PracticeFranklin, TN · 15 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Maury Regional HospitalColumbia, TN
- Saint Thomas River Park HospitalMcMinnville, TN
- Saint Thomas Rutherford HospitalMurfreesboro, TN
- Williamson Medical CenterFranklin, TN
Industry payments (Open Payments)
- 2025$30.23 · 2 payments from 2 companies
- 2024$381.20 · 28 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $15.78 | 1 |
| Sk Life Science, Inc. | $14.45 | 1 |
What the 2025 payments were for
- Food and Beverage$30.23 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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