Douglas Starr, MD
NPI 1154322998ActiveIndividual· Family Medicine· Diamond Bar, CA
Family Medicine (MD) in Diamond Bar, California, trained at Un of California, Irvine, College of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $793,094 for 9,074 claims, against $92,206 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $76.30 in all, mostly food and beverage.
Overview
| NPI | 1154322998 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2005 |
| Last updated in NPPES | Nov 10, 2021 |
| Certified by provider | Nov 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G41594 | 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 | 259 |
|---|---|
| Services billed | 1,774 across 63 procedure codes |
| Paid by Medicare | $92,206 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,074 · 22,158 30-day fills |
|---|---|
| Patients | 683 |
| Total drug cost | $793,094 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Un of California, Irvine, College of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Other facilities
- Elegance Healthcare, IncHome health agency · Tarzana, CA
- Providence at Home With Compassus Home Health, Inland EmpireHome health agency · Pomona, CA
Industry payments (Open Payments)
- 2025$76.30 · 4 payments from 3 companies
- 2024$169.00 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $39.15 | 2 |
| Ibsa Pharma Inc. | $22.85 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $14.30 | 1 |
What the 2025 payments were for
- Food and Beverage$76.30 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 family medicine physicians in Diamond Bar · All family medicine physicians in California