Peggy Wanner-Barjenbruch, MD
NPI 1326023185ActiveIndividual· Internal Medicine· Mexico, MO
Internal Medicine (MD) in Mexico, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $1,348,859 for 19,461 claims, against $158,263 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $134.83 in all, mostly food and beverage.
Overview
| NPI | 1326023185 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 14, 2005 |
| Last updated in NPPES | Oct 28, 2022 |
| Certified by provider | Oct 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | R2F18 | 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 | 428 |
|---|---|
| Services billed | 2,580 across 42 procedure codes |
| Paid by Medicare | $158,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,461 · 32,693 30-day fills |
|---|---|
| Patients | 727 |
| Total drug cost | $1,348,859 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Medical groups
- Boone Physician Services LLCColumbia, MO · 250 clinicians
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- University of Missouri Health CareColumbia, MO
Other facilities
- Centerwell Home HealthHome health agency · Columbia, MO
- Elara CaringHome health agency · Jefferson City, MO
- Community Loving Care HospiceHospice · Wentzville, MO
- Hospice Compassus-North Central MissouriHospice · Columbia, MO
- St. Croix HospiceHospice · Moberly, MO
- Heritage Hall Nursing CenterNursing home · Centralia, MO
- Pin Oaks Living CenterNursing home · Mexico, MO
Industry payments (Open Payments)
- 2025$134.83 · 7 payments from 6 companies
- 2024$114.63 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $31.40 | 1 |
| Astrazeneca Pharmaceuticals LP | $31.10 | 2 |
| Dexcom, Inc. | $21.88 | 1 |
| Abbvie Inc. | $19.98 | 1 |
| Lilly USA, LLC | $17.08 | 1 |
What the 2025 payments were for
- Food and Beverage$134.83 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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