G. Alden Holmes, MD
Student in an Organized Health Care Education/Training Program (MD) with Providence Medical Foundation, practicing in Loma Linda, California. Their prescriptions cost Medicare Part D more than their services did: $369,468 for 1,343 claims, against $107,087 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $742.67 in all, mostly food and beverage. Lists Providence St. Jude Medical Center as a hospital affiliation.
Overview
| NPI | 1689177453 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 17, 2018 |
| Last updated in NPPES | Jul 18, 2026 |
| Certified by provider | Jul 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | A164631 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 260 |
|---|---|
| Services billed | 2,227 across 43 procedure codes |
| Paid by Medicare | $107,087 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,343 · 1,684 30-day fills |
|---|---|
| Patients | 465 |
| Total drug cost | $369,468 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$742.67 · 29 payments from 8 companies
- 2024$1,217 · 51 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $420.67 | 18 |
| Genzyme Corporation | $128.20 | 3 |
| Verrica Pharmaceuticals Inc. | $68.82 | 3 |
| Janssen Biotech, Inc. | $37.92 | 1 |
| Incyte Corporation | $24.22 | 1 |
What the 2025 payments were for
- Food and Beverage$742.67 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,034 Student in an Organized Health Care Education/Training Program providers in Loma Linda · All Student in an Organized Health Care Education/Training Program providers in California