Amy Krieg Mosman, MMS, PA-C
NPI 1255756961ActiveIndividual· Physician Assistant, Medical· Saint Peters, MO
Physician Assistant, Medical (MMS, PA-C) with Midwest Nephrology Associates Inc, practicing in Saint Peters, Missouri. Their prescriptions cost Medicare Part D more than their services did: $626,040 for 1,906 claims, against $5,056 paid for services in 2024. Ardelyx, Inc. was the largest of 10 companies reporting payments in 2025, $14,027 in all, mostly speaking and faculty fees. Lists Ssm St Joseph Health Center as a hospital affiliation.
Overview
| NPI | 1255756961 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MMS, PA-C |
| Sole proprietor | No |
| NPI issued | Mar 4, 2014 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 2014006318 | 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 - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 85 across 11 procedure codes |
| Paid by Medicare | $5,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,906 · 3,671 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $626,040 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Midwest Nephrology Associates IncSaint Peters, MO · 9 clinicians
Hospital affiliation
- Ssm St Joseph Health CenterSaint Charles, MO
Industry payments (Open Payments)
- 2025$14,027 · 46 payments from 10 companies
- 2024$6,284 · 37 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $13,248 | 35 |
| Madrigal Pharmaceuticals | $129.20 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $122.78 | 1 |
| Glaxosmithkline, LLC. | $121.52 | 2 |
| Corcept Therapeutics | $106.13 | 1 |
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$7,600 · 11 payments
- Travel and Lodging$3,814 · 14 payments
- Food and Beverage$2,594 · 20 payments
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in Saint Peters
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