Maria Norma Villalon Landeros, MD
NPI 1477081966ActiveIndividual· Family Medicine· Stanford, CA
Family Medicine (MD) in Stanford, California, trained at Stanford University School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $129,764 for 929 claims, against $12,606 paid for services in 2024. Dexcom, Inc. reported $19.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1477081966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2017 |
| Last updated in NPPES | Apr 17, 2024 |
| Certified by provider | Apr 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A157942 | 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 | 91 |
|---|---|
| Services billed | 238 across 11 procedure codes |
| Paid by Medicare | $12,606 |
Part D prescriptions in 2024
| Prescriptions (claims) | 929 · 2,282 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $129,764 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$19.59 · 1 payment from 1 company
- 2024$122.10 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $19.59 | 1 |
What the 2025 payments were for
- Food and Beverage$19.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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