John B. Marshall, MD
NPI 1437135563ActiveIndividual· Emergency Medicine· Dallas, TX
Emergency Medicine (MD) in Dallas, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2002). 428 Medicare patients in 2024, $61,400 paid; nearly all of their 297 Part D prescriptions were generic (95%). Integra Lifesciences Corporation reported $58.57 in payments in 2025, mostly device and supply loans.
Overview
| NPI | 1437135563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 20, 2005 |
| Last updated in NPPES | Jul 9, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | M0164 | TX |
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 - Emergency Medicine (FL); Practitioner - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 428 |
|---|---|
| Services billed | 709 across 18 procedure codes |
| Paid by Medicare | $61,400 |
Part D prescriptions in 2024
| Prescriptions (claims) | 297 · 300 30-day fills |
|---|---|
| Patients | 184 |
| Total drug cost | $1,941 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Emergency Medicine |
Medical group
- Paragon Emergency Services LLCOrange Park, FL · 418 clinicians
Hospital affiliations
- HCA Florida Memorial HospitalJacksonville, FL
- HCA Florida Orange Park HospitalOrange Park, FL
Industry payments (Open Payments)
- 2025$58.57 · 1 payment from 1 company
- 2024$55.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $58.57 | 1 |
What the 2025 payments were for
- Long term medical supply or device loan$58.57 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 616 emergency medicine physicians in Dallas · All emergency medicine physicians in Texas