Joanna Leung Geslani, D.O.
NPI 1124333703ActiveIndividual· Internal Medicine, Rheumatology· Dallas, TX
Internal Medicine, Rheumatology (D.O.) in Dallas, Texas, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $2,591,031 for 1,997 claims, against $340,966 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 29 companies reporting payments in 2025, $55,691 in all, mostly speaking and faculty fees.
Overview
| NPI | 1124333703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 8, 2010 |
| Last updated in NPPES | Dec 23, 2019 |
| Certified by provider | Dec 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | Q5655 | TX |
| Internal Medicine | 207R00000X | Q5655 | TX |
| Internal Medicine | 207R00000X | BP10037460 | TX |
| Internal Medicine | 207R00000X | FG3893612 | TX |
| Internal Medicine, Rheumatology | 207RR0500X | 20A12753 | CA |
| Internal Medicine, Rheumatology | 207RR0500X | FG3893612 | TX |
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 - Rheumatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 50,489 across 55 procedure codes |
| Paid by Medicare | $340,966 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,997 · 4,385 30-day fills |
|---|---|
| Patients | 324 |
| Total drug cost | $2,591,031 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Rheumatology Associates and SubsidiaryArlington, TX · 23 clinicians
Industry payments (Open Payments)
- 2025$55,691 · 288 payments from 29 companies
- 2024$32,591 · 291 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $28,527 | 42 |
| Astrazeneca Pharmaceuticals LP | $15,751 | 35 |
| Janssen Biotech, Inc. | $3,067 | 23 |
| Progentec Diagnostics, Inc. | $2,400 | 1 |
| Ucb, Inc. | $1,115 | 31 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$36,060 · 19 payments
- Travel and Lodging$7,504 · 16 payments
- Food and Beverage$7,362 · 250 payments
- Consulting Fee$4,680 · 2 payments
- Education$84.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Dallas
- 1114689460
- 1528268604
- 1255475539
- 1639269517
- 1316625999
- 1821220518
- 1639129414
- 1922338714
- 1861273211
- 1396898219
- 1063691475
- 1902130156