Katharine T. Gregg, MD
NPI 1194758854ActiveIndividual· Internal Medicine, Geriatric Medicine· Jackson, MS
Internal Medicine, Geriatric Medicine (MD) in Jackson, Mississippi, trained at University of Mississippi School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $199,770 for 3,397 claims, against $76,942 paid for services in 2024. Lundbeck LLC was the largest of 2 companies reporting payments in 2024, $37.69 in all, mostly food and beverage.
Overview
| NPI | 1194758854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2006 |
| Last updated in NPPES | Apr 9, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 14404 | MS |
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 - Geriatric Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 321 |
|---|---|
| Services billed | 1,110 across 37 procedure codes |
| Paid by Medicare | $76,942 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,397 · 6,189 30-day fills |
|---|---|
| Patients | 259 |
| Total drug cost | $199,770 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
Hospital affiliations
- Mississippi Baptist Medical CenterJackson, MS
- Mississippi Methodist Rehab CtrJackson, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
- University of Mississippi Med CenterJackson, MS
- Yalobusha General HospitalWater Valley, MS
Other facilities
- Adoration Home HealthHome health agency · Vicksburg, MS
- Centerwell Home HealthHome health agency · Flowood, MS
- Mississippi Homecare of JacksonHome health agency · Jackson, MS
- Sta Home Health Agency of Jackson, Inc. DBA Accentcare Home Health of JacksonHome health agency · Clinton, MS
- Arden of Central Mississippi, LLCHospice · Ridgeland, MS
Industry payments (Open Payments)
- 2024$37.69 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $20.90 | 1 |
| Exact Sciences Corporation | $16.79 | 1 |
What the 2024 payments were for
- Food and Beverage$37.69 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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