Monica Marie Karrer, FNP-C
NPI 1093388134ActiveIndividual· Nurse Practitioner, Family· Corpus Christi, TX
Nurse Practitioner, Family (FNP-C) with Christus Trinity Clinic Texas and 4 other groups, practicing in Corpus Christi, Texas. Their prescriptions cost Medicare Part D more than their services did: $27,708 for 394 claims, against $8,375 paid for services in 2024. Medical Device Business Services, Inc. was the largest of 3 companies reporting payments in 2025, $1,184 in all, mostly travel and lodging. Lists Christus Spohn Hospital Alice and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093388134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | Yes |
| NPI issued | Jul 16, 2021 |
| Last updated in NPPES | Apr 22, 2026 |
| Certified by provider | Apr 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 1047786 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 106 across 19 procedure codes |
| Paid by Medicare | $8,375 |
Part D prescriptions in 2024
| Prescriptions (claims) | 394 · 556 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $27,708 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
- Shea Physical Therapy Specialists LLCCorpus Christi, TX · 202 clinicians
- Gulf Coast Emergency Physicians, PLLCKingsville, TX · 113 clinicians
- Acute Care Surgical Affiliates of Texas PAEl Paso, TX · 47 clinicians
- Neurosurgical Affiliates of Texas PACorpus Christi, TX · 4 clinicians
Hospital affiliations
- Christus Spohn Hospital AliceAlice, TX
- Christus Spohn Hospital Corpus ChristiCorpus Christi, TX
Industry payments (Open Payments)
- 2025$1,184 · 12 payments from 3 companies
- 2024$94.66 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $848.36 | 6 |
| Depuy Synthes Sales Inc. | $211.19 | 5 |
| Novo Nordisk Inc | $124.68 | 1 |
What the 2025 payments were for
- Travel and Lodging$792.25 · 3 payments
- Food and Beverage$391.98 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 432 family nurse practitioners in Corpus Christi · All family nurse practitioners in Texas