Amanda Nicole Waltos Hieger, MD
NPI 1508350091ActiveIndividual· Obstetrics & Gynecology· Saint Louis, MO
Obstetrics & Gynecology (MD) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $12,759 for 114 claims, against $3,140 paid for services in 2024. Evofem Biosciences, Inc. was the largest of 12 companies reporting payments in 2025, $526.71 in all, mostly food and beverage.
Overview
| NPI | 1508350091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2018 |
| Last updated in NPPES | Jul 13, 2022 |
| Certified by provider | Jul 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 2018020849 | 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 - Obstetrics/Gynecology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 51 across 11 procedure codes |
| Paid by Medicare | $3,140 |
Part D prescriptions in 2024
| Prescriptions (claims) | 114 · 213 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $12,759 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$526.71 · 24 payments from 12 companies
- 2024$736.98 · 30 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Evofem Biosciences, Inc. | $91.01 | 5 |
| Kvk-Tech, Inc. | $68.54 | 1 |
| Abbvie Inc. | $64.09 | 2 |
| Sumitomo Pharma America, Inc. | $49.43 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $43.82 | 2 |
What the 2025 payments were for
- Food and Beverage$526.71 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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