Michael S. Basch, M.D.
NPI 1790889350ActiveIndividual· Internal Medicine· Temecula, CA
Internal Medicine (M.D.) with Acute Care Associates of California PC, practicing in Temecula, California. Their prescriptions cost Medicare Part D more than their services did: $1,291,807 for 8,922 claims, against $155,629 paid for services in 2024. Amgen Inc. was the largest of 12 companies reporting payments in 2025, $804.34 in all, mostly food and beverage. Lists Loma Linda University Medical Center-Murrieta and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1790889350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 12, 2006 |
| Last updated in NPPES | Jul 2, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 015430 | 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); Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 528 |
|---|---|
| Services billed | 2,324 across 22 procedure codes |
| Paid by Medicare | $155,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,922 · 19,289 30-day fills |
|---|---|
| Patients | 791 |
| Total drug cost | $1,291,807 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Acute Care Associates of California PCMurrieta, CA · 55 clinicians
Hospital affiliations
- Loma Linda University Medical Center-MurrietaMurrieta, CA
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA
- Temecula Valley HospitalTemecula, CA
Other facilities
- Mission Home Health of San Diego LLCHome health agency · San Diego, CA
- United Home Health Care GroupHome health agency · Woodland Hills, CA
- Valley Care Home Health Services, IncHome health agency · Temecula, CA
- Geiss Med Hospice LLCHospice · Santa Ana, CA
- Med Care Hospice IncHospice · Newbury Park, CA
Industry payments (Open Payments)
- 2025$804.34 · 38 payments from 12 companies
- 2024$755.42 · 38 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $250.90 | 15 |
| Harmony Biosciences LLC | $167.74 | 5 |
| Novo Nordisk Inc | $76.90 | 3 |
| Abbott Laboratories | $73.40 | 3 |
| Abbvie Inc. | $63.34 | 3 |
What the 2025 payments were for
- Food and Beverage$804.34 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 68 internal medicine physicians in Temecula · All internal medicine physicians in California