Matthew Timothy Long, DO, MPH
NPI 1740863273ActiveIndividual· Internal Medicine· Oceanside, CA
Internal Medicine (DO, MPH) in Oceanside, California, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $24,592 for 277 claims, against $15,721 paid for services in 2024.
Overview
| NPI | 1740863273 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO, MPH |
| Sole proprietor | Yes |
| NPI issued | May 3, 2021 |
| Last updated in NPPES | Jul 8, 2024 |
| Certified by provider | Jul 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A22404 | CA |
| Internal Medicine | 207R00000X | R3570 | AZ |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 54 |
|---|---|
| Services billed | 185 across 5 procedure codes |
| Paid by Medicare | $15,721 |
Part D prescriptions in 2024
| Prescriptions (claims) | 277 · 495 30-day fills |
|---|---|
| Patients | 93 |
| Total drug cost | $24,592 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Internal Medicine |
Medical group
- Hospitalist Medicine Physicians of California IncOceanside, CA · 123 clinicians
Hospital affiliation
- Tri-City Medical CenterOceanside, CA
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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All 40 internal medicine physicians in Oceanside · All internal medicine physicians in California