Dr. Namieta Janssen, M.D.
What this data tells you about Dr. Janssen
Dr. Namieta Janssen is a rheumatology in Sugar Land, TX, with 19 years in practice. Based on federal Medicare data, Dr. Janssen performed 193,838 Medicare services across 664 unique beneficiaries.
Between the years covered by Open Payments, Dr. Janssen received a total of $430,247 from 37 pharmaceutical and/or device companies across 1298 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in rheumatology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Janssen is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Certolizumab injection (Cimzia) | 178,000 | $4 | $15 |
| Abatacept infusion (Orencia) | 12,200 | $34 | $75 |
| Denosumab injection (Prolia/Xgeva) | 1,380 | $18 | $35 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 890 | $55 | $255 |
| Administration of chemotherapy into vein, 1 hour or less | 291 | $98 | $350 |
| Blood draw (venipuncture) | 255 | $7 | $7 |
| Office visit, established patient (30-39 min) | 253 | $90 | $155 |
| Administration of chemotherapy into vein, each additional hour | 118 | $21 | $100 |
| Injection of additional new drug or substance into vein | 104 | $12 | $55 |
| Office visit, established patient (20-29 min) | 104 | $63 | $125 |
| Injection, zoledronic acid, 1 mg | 85 | $6 | $100 |
| Drug injection, under skin or into muscle | 77 | $11 | $40 |
| Flu vaccine, high-dose | 32 | $72 | $110 |
| Flu vaccine administration | 32 | $30 | $50 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 17 | $45 | $155 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
The majority of payments (94%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in rheumatology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 2% for rheumatology in TX.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Janssen is a mixed practice specialist, with above-average Medicare volume (top 5% in TX), and high industry engagement (speaking/promotional, top 2%), with 19 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Janssen experienced with certolizumab injection (cimzia)?
Does Dr. Janssen receive payments from pharmaceutical companies?
How do Dr. Janssen's costs compare to other rheumatologys in Sugar Land?
What does Data Coverage mean?
Is this data up to date?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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