Barry Michael Mossman, M.D.
NPI 1053516294ActiveIndividual· Internal Medicine· Saint Louis, MO
Internal Medicine (M.D.) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $938,341 for 10,510 claims, against $96,445 paid for services in 2024. Pfizer Inc. reported $17.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1053516294 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 18, 2007 |
| Last updated in NPPES | Sep 26, 2025 |
| Certified by provider | Sep 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-120094 | IL |
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 - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 2,758 across 32 procedure codes |
| Paid by Medicare | $96,445 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,510 · 23,681 30-day fills |
|---|---|
| Patients | 1,101 |
| Total drug cost | $938,341 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physician Groups LcFarmington, MO · 521 clinicians
Hospital affiliations
- Alton Memorial HospitalAlton, IL
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
Other facilities
- Amedisys Home Health of MissouriHome health agency · Hillsboro, MO
Industry payments (Open Payments)
- 2025$17.29 · 1 payment from 1 company
- 2024$291.44 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $17.29 | 1 |
What the 2025 payments were for
- Food and Beverage$17.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,092 internal medicine physicians in Saint Louis · All internal medicine physicians in Missouri