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Hire Onkar K.

India

USD 15 /hr

Senior RWE Analytics Specialist | Digital Twins & Causal Inference Expert | Healthcare Research Consultant

Profile Summary

With 8+ years of specialized experience in healthcare analytics and published research in predictive modeling, I bring expertise in three core areas: causal inference methodologies, synthetic control arm development (digital twins), and advanced machine learning applications in healthcare. Research & Publications - Published author in peer-reviewed journals focusing on predictive modeling in healthcare - Key publications include novel approaches to: - Chronic kidney disease progression prediction - Healthcare resource utilization modeling - Patient outcome forecasting using machine learning - Multi-center clinical data analysis Google Scholar : https://scholar.google.com/citations?user=5k9ZkXoAAAAJ&hl=en Technical Expertise Causal Inference & Study Design - Used advanced methodologies like PSM, TMLE, IPTW, g-computation for confounding adjustment in longitudinal studies Digital Twins & Synthetic Controls - Developed external control arms for rare diseases leveraging patient-level matching algorithms, historical trial replication, and prognostic scoring with integrated real-world data. Advanced Analytics & ML - Implemented advanced ML solutions encompassing survival analysis, treatment patterns, predictive modeling in rare diseases, and risk stratification models. Technical Stack - Programming: R, Python, SAS - Cloud & Infrastructure: AWS (EC2, S3, Athena) Education & Certifications - Masters in Software Engineering

Subject Matter Expertise

• ☆ Python
• ☆ SQL
• ☆ Excel
• ☆ SAS
• ☆ Tensorflow
• ☆ R
• ☆ Tableau
• ☆ Scikit-learn
• ☆ Drug Discovery
• ☆ Drug Design
• ☆ Vaccine Development
• ☆ Public Health
• ☆ Epidemiology
• ☆ Global Health
• ☆ Health Technology Assessment
• ☆ Pharmaceutical Technology

Services

• Writing
• Research
• Consulting
• Data & AI
• Product Development

Writing Clinical Trial Documentation, Medical Writing, Technical Writing

Research Market Research, Feasibility Study, Gap Analysis, Scientific and Technical Research, Secondary Data Collection

Consulting Healthcare Consulting, Scientific and Technical Consulting

Data & AI Predictive Modeling, Statistical Analysis, Algorithm Design-Non ML, Algorithm Design-ML, Big Data Analytics, Text Mining & Analytics, Data Mining, Data Cleaning, Data Processing, Data Insights

Product Development Product Compliance

Work Experience

Medical Technology and Practice Patterns Institute

February 2011 - Present

Senior Manager (RWE)

Axtria

September 2022 - December 2024

Education

Master of Science

Stratford University - United States

September 2009 - February 2011

Certifications

• none

  None

  January 2024 - January 2024

Publications

JOURNAL ARTICLE

Thamer, M., Zhang, Y., Kaufman, J., Kshirsagar, O., Cotter, D., Hernán, M.A.(2015). Major Declines in Epoetin Dosing after Prospective Payment System Based on Dialysis Facility Organizational Status . American Journal of Nephrology. 40. (6). p. 554-560.

Thamer M, Zhang Y, Kshirsagar O, Cotter DJ, Kaufman JS, American journal of kidney diseases : the official journal of the National Kidney Foundation, 2014, vol. 64, no. 5, pp. 706-713 .

Zhang Y, Thamer M, Kshirsagar O, Cotter DJ, Schlesinger MJ, Transplantation, 2014, vol. 98, no. 5, pp. 543-551 .

Thamer M, Zhang Y, Kaufman J, Kshirsagar O, Cotter D, Hernán MA, American journal of nephrology, 2014, vol. 40, no. 6, pp. 554-560 .

Zhang, Y., Thamer, M., Kshirsagar, O., Cotter, D.J., Schlesinger, M.J.(2014). Dialysis chains and placement on the waiting list for a cadaveric kidney transplant . Transplantation. 98. (5). p. 543-551.

Thamer, M., Zhang, Y., Kshirsagar, O., Cotter, D.J., Kaufman, J.S.(2014). Erythropoiesis-stimulating agent use among non-dialysis-dependent ckd patients before and after the trial to reduce cardiovascular events with Aranesp therapy (TREAT) using a large us health plan database . American Journal of Kidney Diseases. 64. (5). p. 706-713.

Zhang Y, Thamer M, Kshirsagar O, Cotter DJ, Health services research, 2013, vol. 48, no. 3, pp. 949-971 .

Zhang, Y., Thamer, M., Kshirsagar, O., Cotter, D.J.(2013). Organizational status of dialysis facilities and patient outcome: Does higher injectable medication use mediate increased mortality? . Health Services Research. 48. (3). p. 949-971.

Thamer M, Zhang Y, Lai D, Kshirsagar O, Cotter D, BMC nephrology, 2013, vol. 14, pp. 172 .

Thamer, M., Zhang, Y., Lai, D., Kshirsagar, O., Cotter, D.(2013). Influence of safety warnings on ESA prescribing among dialysis patients using an interrupted time series . BMC Nephrology.

CONFERENCE PAPER

(2012). Do Safety Warnings Change Prescribing Among the US Dialysis Population? . American Journal of Kidney Diseases.