Matthew Alfred Gubens, MD
NPI 1194923235ActiveIndividual· Internal Medicine· Stanford, CA
Internal Medicine (MD) in Stanford, California, trained at Stanford University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,862,542 for 284 claims, against $602,973 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $30,909 in all, mostly consulting fees.
Overview
| NPI | 1194923235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2007 |
| Last updated in NPPES | Feb 15, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A98645 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 23,591 across 45 procedure codes |
| Paid by Medicare | $602,973 |
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 323 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $1,862,542 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- UCSF Health St. Mary's HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$30,909 · 25 payments from 7 companies
- 2024$13,908 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $11,750 | 5 |
| E.R. Squibb & Sons, L.L.C. | $6,106 | 8 |
| Janssen Biotech, Inc. | $4,929 | 6 |
| Beckman Coulter, Inc. | $4,550 | 1 |
| Regeneron Healthcare Solutions, Inc. | $2,318 | 2 |
What the 2025 payments were for
- Consulting Fee$27,708 · 11 payments
- Travel and Lodging$1,271 · 3 payments
- Honoraria$1,125 · 1 payment
- Food and Beverage$804.89 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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