John Stephen Mulvahill, M.D.
NPI 1205195005ActiveIndividual· Internal Medicine· Saint Louis, MO
Internal Medicine (M.D.) with Mercy Clinic East Communities, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,021,459 for 13,042 claims, against $127,282 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $119.34 in all, mostly food and beverage. Lists Barnes Jewish Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1205195005 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 14, 2012 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2015016131 | MO |
| Internal Medicine | 207R00000X | BP10043107 | TX |
| Internal Medicine | 207R00000X | P9234 | TX |
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 | 386 |
|---|---|
| Services billed | 1,748 across 44 procedure codes |
| Paid by Medicare | $127,282 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,042 · 29,810 30-day fills |
|---|---|
| Patients | 919 |
| Total drug cost | $1,021,459 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Other facilities
- Elara CaringHome health agency · Bridgeton, MO
- Mercy Home HealthHome health agency · Saint Louis, MO
- Mercy HospiceHospice · Saint Louis, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$119.34 · 6 payments from 5 companies
- 2024$48.77 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $49.45 | 2 |
| Lilly USA, LLC | $19.08 | 1 |
| Abbott Laboratories | $18.13 | 1 |
| Novo Nordisk Inc | $16.83 | 1 |
| Glaxosmithkline, LLC. | $15.85 | 1 |
What the 2025 payments were for
- Food and Beverage$119.34 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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