Shervin Assassi, M.D.
NPI 1043259567ActiveIndividual· Internal Medicine, Rheumatology· Houston, TX
Internal Medicine, Rheumatology (M.D.) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $421,163 for 589 claims, against $7,947 paid for services in 2024. Boehringer Ingelheim International Gmbh was the largest of 9 companies reporting payments in 2025, $94,542 in all, mostly consulting fees. Lists Memorial Hermann - Texas Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1043259567 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Jun 24, 2025 |
| Certified by provider | Jun 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | M2251 | 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 | 60 |
|---|---|
| Services billed | 127 across 12 procedure codes |
| Paid by Medicare | $7,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 589 · 1,260 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $421,163 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
- 2025$94,542 · 52 payments from 9 companies
- 2024$86,888 · 89 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim International Gmbh | $73,247 | 35 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16,988 | 10 |
| Csl Behring | $1,430 | 1 |
| Astrazeneca Uk Limited | $1,074 | 1 |
| Tanabe Pharma America, Inc. | $840.00 | 1 |
What the 2025 payments were for
- Consulting Fee$68,483 · 27 payments
- Travel and Lodging$20,392 · 11 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,860 · 1 payment
- Food and Beverage$706.34 · 12 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Houston
- 1154522795
- 1114471133
- 1407499494
- 1154506269
- 1265724645
- 1598839151
- 1437490497
- 1063617264
- 1083743611
- 1366803199
- 1639040876
- 1669170478