Lianne Simone Gensler, M.D.
NPI 1780781369ActiveIndividual· Internal Medicine, Rheumatology· San Francisco, CA
Internal Medicine, Rheumatology (M.D.) in San Francisco, California, trained at University of California, Irvine, California College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,563,897 for 405 claims, against $8,448 paid for services in 2024. Ucb Sa was the largest of 3 companies reporting payments in 2025, $15,541 in all, mostly consulting fees.
Overview
| NPI | 1780781369 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 17, 2006 |
| Last updated in NPPES | Sep 18, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A83162 | 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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 134 across 9 procedure codes |
| Paid by Medicare | $8,448 |
Part D prescriptions in 2024
| Prescriptions (claims) | 405 · 575 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $1,563,897 |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| 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
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$15,541 · 17 payments from 3 companies
- 2024$19,038 · 21 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb Sa | $11,360 | 3 |
| Janssen Scientific Affairs, LLC | $3,327 | 3 |
| Janssen Biotech, Inc. | $853.74 | 11 |
What the 2025 payments were for
- Consulting Fee$15,140 · 5 payments
- Food and Beverage$315.76 · 11 payments
- Education$84.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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