John Paul Greving, DO
NPI 1043388036ActiveIndividual· Internal Medicine· Hannibal, MO
Internal Medicine (DO) in Hannibal, Missouri, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,921,661 for 23,984 claims, against $4,243 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $435.63 in all, mostly food and beverage.
Overview
| NPI | 1043388036 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 30, 2006 |
| Last updated in NPPES | Oct 7, 2022 |
| Certified by provider | Oct 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2006005512 | MO |
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 - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 59 across 11 procedure codes |
| Paid by Medicare | $4,243 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23,984 · 30,512 30-day fills |
|---|---|
| Patients | 531 |
| Total drug cost | $1,921,661 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
Medical group
- Hannibal Regional Healthcare System IncHannibal, MO · 272 clinicians
Hospital affiliations
- Blessing HospitalQuincy, IL
- Hannibal Regional HospitalHannibal, MO
Other facilities
- Elara CaringHome health agency · Jefferson City, MO
- Hannibal Regional Hospital Home Health AgencyHome health agency · Hannibal, MO
- St. Croix HospiceHospice · Moberly, MO
- Beloved Health and Rehabilitation CenterNursing home · Hannibal, MO
- Beth Haven Nursing HomeNursing home · Hannibal, MO
- Luther Manor Retirement & Nursing CenterNursing home · Hannibal, MO
- Westview Nursing HomeNursing home · Center, MO
Industry payments (Open Payments)
- 2025$435.63 · 26 payments from 15 companies
- 2024$381.04 · 24 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $90.18 | 6 |
| Novo Nordisk Inc | $47.56 | 3 |
| Pfizer Inc. | $40.06 | 2 |
| Verona Pharma, Inc. | $32.92 | 2 |
| Lilly USA, LLC | $32.28 | 2 |
What the 2025 payments were for
- Food and Beverage$435.63 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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