Mehran Massumi, M.D.
NPI 1942521711ActiveIndividual· Internal Medicine, Interventional Cardiology· Houston, TX
Internal Medicine, Interventional Cardiology (M.D.) with Kelsey-Seybold Medical Group, PLLC, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $713,141 for 5,753 claims, against $7,746 paid for services in 2024. Abbott Laboratories was the largest of 15 companies reporting payments in 2025, $39,641 in all, mostly consulting fees. Lists Baylor St Lukes Medical Center as a hospital affiliation.
Overview
| NPI | 1942521711 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2010 |
| Last updated in NPPES | May 1, 2026 |
| Certified by provider | May 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | Q0118 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | Q0118 | 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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 94 across 37 procedure codes |
| Paid by Medicare | $7,746 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,753 · 15,070 30-day fills |
|---|---|
| Patients | 825 |
| Total drug cost | $713,141 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Kelsey-Seybold Medical Group, PLLCHouston, TX · 957 clinicians
Hospital affiliation
- Baylor St Lukes Medical CenterHouston, TX
Industry payments (Open Payments)
- 2025$39,641 · 166 payments from 15 companies
- 2024$26,670 · 164 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $27,891 | 45 |
| Cagent Vascular Inc | $5,600 | 4 |
| Boston Scientific Corporation | $2,230 | 20 |
| Edwards Lifesciences Corporation | $2,087 | 71 |
| Endologix LLC | $474.13 | 5 |
What the 2025 payments were for
- Consulting Fee$27,531 · 9 payments
- Food and Beverage$5,445 · 143 payments
- Travel and Lodging$3,515 · 12 payments
- Compensation for serving as faculty or as a speaker for a medical education program$3,150 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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