Robert Landman, M.D.
NPI 1326035874ActiveIndividual· Internal Medicine· Yorba Linda, CA
Internal Medicine (M.D.) in Yorba Linda, California, trained at Chicago College of Medicine and Surgery (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $313,433 for 5,559 claims, against $41,745 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 5 companies reporting payments in 2025, $144.36 in all, mostly food and beverage.
Overview
| NPI | 1326035874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 30, 2005 |
| Last updated in NPPES | Apr 25, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G305501 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 512 across 21 procedure codes |
| Paid by Medicare | $41,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,559 · 12,825 30-day fills |
|---|---|
| Patients | 499 |
| Total drug cost | $313,433 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$144.36 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $35.91 | 1 |
| Novo Nordisk Inc | $30.85 | 1 |
| Pfizer Inc. | $29.62 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $29.01 | 1 |
| Glaxosmithkline, LLC. | $18.97 | 1 |
What the 2025 payments were for
- Food and Beverage$144.36 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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