Kenneth Lloyd Rexinger, M.D.
NPI 1003809963ActiveIndividual· Internal Medicine· San Clemente, CA
Internal Medicine (M.D.) in San Clemente, California, trained at Loma Linda University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $449,864 for 4,060 claims, against $144,707 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $857.67 in all, mostly food and beverage.
Overview
| NPI | 1003809963 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2005 |
| Last updated in NPPES | Nov 10, 2021 |
| Certified by provider | Nov 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G69073 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 351 |
|---|---|
| Services billed | 12,190 across 80 procedure codes |
| Paid by Medicare | $144,707 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,060 · 9,183 30-day fills |
|---|---|
| Patients | 428 |
| Total drug cost | $449,864 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Other facilities
- Home Health Plus Services, IncHome health agency · Arcadia, CA
- Mission Home Health of Irvine, LLCHome health agency · Irvine, CA
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
- Providence at Home With Compassus Home Health, Orange County SouthHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$857.67 · 41 payments from 11 companies
- 2024$972.85 · 52 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $182.11 | 14 |
| Novo Nordisk Inc | $175.84 | 7 |
| Lucid Diagnostics Inc. | $135.28 | 3 |
| Abbvie Inc. | $93.83 | 4 |
| Corcept Therapeutics | $58.97 | 2 |
What the 2025 payments were for
- Food and Beverage$857.67 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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