John Kenneth Baker, M.D.
NPI 1598922130ActiveIndividual· Psychiatry & Neurology, Neurology· Sumter, SC
Psychiatry & Neurology, Neurology (M.D.) in Sumter, South Carolina, trained at University of South Carolina School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $8,013,858 for 6,805 claims, against $464,710 paid for services in 2024. Pfizer Inc. was the largest of 29 companies reporting payments in 2025, $162,448 in all, mostly speaking and faculty fees.
Overview
| NPI | 1598922130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2008 |
| Last updated in NPPES | Jun 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 33281 | SC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | NC |
| Psychiatry & Neurology, Diagnostic Neuroimaging | 2084D0003X | 33281-2015 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 927 |
|---|---|
| Services billed | 48,772 across 106 procedure codes |
| Paid by Medicare | $464,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,805 · 10,703 30-day fills |
|---|---|
| Patients | 1,054 |
| Total drug cost | $8,013,858 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Colonial Family Practice LLCSumter, SC · 62 clinicians
Hospital affiliations
- KershawhealthCamden, SC
- McLeod Health ClarendonManning, SC
- McLeod Regional Medical Center-Pee DeeFlorence, SC
- Prisma Health BaptistColumbia, SC
- Prisma Health Tuomey HospitalSumter, SC
Other facilities
- Amedisys Home Health of LexingtonHome health agency · Lexington, SC
Industry payments (Open Payments)
- 2025$162,448 · 393 payments from 29 companies
- 2024$128,583 · 444 payments from 44 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $28,970 | 39 |
| Neurocrine Biosciences, Inc. | $27,202 | 45 |
| Otsuka America Pharmaceutical, Inc. | $18,053 | 25 |
| Amgen Inc. | $15,058 | 22 |
| Teva Pharmaceuticals USA, Inc. | $13,390 | 52 |
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$123,442 · 52 payments
- Consulting Fee$17,693 · 27 payments
- Travel and Lodging$8,266 · 42 payments
- Food and Beverage$7,327 · 268 payments
- Honoraria$5,720 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Sumter
- 1164833026
- 1801055173
- 1619520483
- 1316444151
All Psychiatry & Neurology, Neurology providers in South Carolina →