John Michael Hemphill, M.D.
NPI 1285672329ActiveIndividual· Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology· Savannah, GA
Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology (M.D.) in Savannah, Georgia, trained at Baylor College of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $4,357,263 for 5,734 claims, against $1,378,253 paid for services in 2024. Eisai Inc. was the largest of 39 companies reporting payments in 2025, $393,996 in all, mostly speaking and faculty fees.
Overview
| NPI | 1285672329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | May 24, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology Primary | 2084N0402X | 022414 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 695 |
|---|---|
| Services billed | 180,251 across 89 procedure codes |
| Paid by Medicare | $1,378,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,734 · 8,814 30-day fills |
|---|---|
| Patients | 714 |
| Total drug cost | $4,357,263 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Savannah Neurology Specialists P CSavannah, GA · 15 clinicians
Hospital affiliations
- Candler HospitalSavannah, GA
- Effingham Health SystemSpringfield, GA
- Savannah Health Services LLC DBA Memorial Health University Medical CenterSavannah, GA
- St Joseph's Hospital - SavannahSavannah, GA
Other facilities
- Enhabit Home HealthHome health agency · Pooler, GA
Industry payments (Open Payments)
- 2025$393,996 · 514 payments from 39 companies
- 2024$405,070 · 575 payments from 47 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $128,206 | 123 |
| Amgen Inc. | $49,673 | 54 |
| Alexion Pharmaceuticals, Inc. | $41,655 | 37 |
| Tg Therapeutics, Inc. | $33,379 | 29 |
| Genzyme Corporation | $33,082 | 16 |
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$206,128 · 67 payments
- Compensation for serving as faculty or as a speaker for a medical education program$88,964 · 50 payments
- Travel and Lodging$62,835 · 120 payments
- Consulting Fee$25,703 · 10 payments
- Food and Beverage$10,240 · 265 payments
- Education$127.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology providers in Savannah
- 1831426360
- 1619191103
- 1235169731