Jessica Lynn Underhill, DO
NPI 1417362880ActiveIndividual· Family Medicine· Saint Peters, MO
Family Medicine (DO) with Ssm Medical Group Inc and 1 other group, practicing in Saint Peters, Missouri. Their prescriptions cost Medicare Part D more than their services did: $576,953 for 8,071 claims, against $33,028 paid for services in 2024. Lists Barnes-Jewish St Peters Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1417362880 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 24, 2014 |
| Last updated in NPPES | Nov 12, 2020 |
| Certified by provider | Nov 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2016025180 | MO |
| General Practice | 208D00000X | 0 | 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 - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 450 across 19 procedure codes |
| Paid by Medicare | $33,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,071 · 18,816 30-day fills |
|---|---|
| Patients | 629 |
| Total drug cost | $576,953 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Ssm Medical Group IncSaint Charles, MO · 568 clinicians
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
Hospital affiliations
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Ssm St Joseph Health CenterSaint Charles, MO
- Ssm St Joseph Hospital WestLake Saint Louis, MO
Other facilities
- Aw Health CareHome health agency · Saint Louis, MO
- Elara CaringHome health agency · Bridgeton, MO
- Ssm Health at Home Home Health-St. LouisHome health agency · Saint Louis, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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