Pamela Allison Simmons, M.D.
NPI 1508828310ActiveIndividual· Family Medicine· Temecula, CA
Family Medicine (M.D.) in Temecula, California, trained at Loma Linda University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $364,143 for 4,411 claims, against $45,820 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $390.45 in all, mostly food and beverage.
Overview
| NPI | 1508828310 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2006 |
| Last updated in NPPES | Jan 31, 2020 |
| Certified by provider | Jan 31, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G79899 | 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 | 170 |
|---|---|
| Services billed | 590 across 39 procedure codes |
| Paid by Medicare | $45,820 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,411 · 9,614 30-day fills |
|---|---|
| Patients | 400 |
| Total drug cost | $364,143 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Rancho Family Medical Group IncChula Vista, CA · 113 clinicians
Other facilities
- Horizon Valley Home Health Care IncHome health agency · Temecula, CA
Industry payments (Open Payments)
- 2025$390.45 · 10 payments from 6 companies
- 2024$106.53 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $122.80 | 2 |
| Baxter Healthcare | $109.23 | 1 |
| Abbott Laboratories | $86.12 | 4 |
| Glaxosmithkline, LLC. | $31.62 | 1 |
| Abbvie Inc. | $20.37 | 1 |
What the 2025 payments were for
- Food and Beverage$281.22 · 9 payments
- Debt forgiveness$109.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 115 family medicine physicians in Temecula · All family medicine physicians in California