John Marshall Strong, M.D.
NPI 1043248719ActiveIndividual· Family Medicine· El Centro, CA
Family Medicine (M.D.) with Legacy MD Medical Group Inc, practicing in El Centro, California. Their prescriptions cost Medicare Part D more than their services did: $1,455,189 for 14,615 claims, against $577,745 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $1,035 in all, mostly food and beverage. Lists El Centro Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1043248719 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Apr 9, 2025 |
| Certified by provider | Apr 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G85954 | CA |
| Allergy & Immunology, Allergy | 207KA0200X | G85954 | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,429 |
|---|---|
| Services billed | 13,555 across 183 procedure codes |
| Paid by Medicare | $577,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,615 · 25,418 30-day fills |
|---|---|
| Patients | 1,549 |
| Total drug cost | $1,455,189 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Legacy MD Medical Group IncCalexico, CA · 13 clinicians
Hospital affiliations
- El Centro Regional Medical CenterEl Centro, CA
- Pioneers Memorial Healthcare DistrictBrawley, CA
Other facilities
- Accentcare Home Health of California IncHome health agency · El Centro, CA
- Assisting Hands Health CareHome health agency · Glendale, CA
- Healthpeak Home Health IncHome health agency · El Centro, CA
- N Your Home Health CareHome health agency · El Centro, CA
- Uni Care Home Care IncHome health agency · El Centro, CA
Industry payments (Open Payments)
- 2025$1,035 · 45 payments from 21 companies
- 2024$889.18 · 31 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $168.90 | 9 |
| Madrigal Pharmaceuticals | $130.01 | 4 |
| Glaxosmithkline, LLC. | $122.14 | 4 |
| Shield Therapeutics Inc | $88.62 | 1 |
| Novo Nordisk Inc | $81.71 | 5 |
What the 2025 payments were for
- Food and Beverage$1,035 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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