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⚡ CBSSA & USMLE Step 1 Preparation

Pass Comp and Step 1
The Right Way, The First Time.

MD-Led. Science-Backed. Personally Guided.

DelphiUSMLE provides elite live online prep for CBSSA and USMLE Step 1 exams — combining proven science-backed methods with personalized mentorship to achieve outcomes that matter.

Excellent ★★★★★
Rated on Trustpilot
Dr. Roy Lingam — Founder, DelphiUSMLE
98% Pass Rate
10+ Yrs Teaching
100s Lives Changed
MD Led Classes
98% Passing Rate
10+ Years Teaching
MD Certified Instructors
3 Specialized Programs
Live Online Instruction

Where Every Student
Deserves a Fighting Chance

We truly understand the stress, anxiety, and fear of failure that surround USMLE Step 1 and CBSSA exams. These aren't just tests — they are the gateway to your life's calling.

At DelphiUSMLE, we believe that with the right guidance, encouragement, and unwavering support, every medical student can turn their dream of becoming a physician into reality.

We pride ourselves on maintaining small teacher-to-student ratios — giving each student the personalized attention they truly deserve.

"Delphi is more than a prep center — it's a results-driven experience built to get you across the finish line."

A Decade of Proven Results

Our results speak for themselves — but behind every number is a student who believed in themselves and found the support to prove it.

10+ Years Teaching
98% Passing Rate
100s Lives Changed

All DelphiUSMLE instructors are M.D.s who have successfully passed all portions of the USMLE, are ECFMG certified, and have completed their residencies.

Two Programs.
One Mission: Passing.

Live, MD-led online programs designed to meet you where you are — whether you're preparing for Step 1 or the CBSSA Comp Exam.

2-Week Intensive

Delphi AceComp

A laser-focused two-week intensive for medical students who need to conquer the CBSSA Comprehensive Exam — fast, high-yield, and live with Dr. Roy.

  • 10 days · 4.5 hrs/day · 7AM–11:30AM CST / 8AM–12:30PM EST live sessions
  • CBSSA Comp Exam targeted high-yield curriculum
  • Live instruction with CBSSA specialist Dr. Roy
  • CBSSA practice question strategies & mastery
  • Personalized weakness-targeting approach
  • Investment: $1,500
Explore Program →
Dr. Roy Lingam
Dr. Roy Lingam
Founder · DelphiUSMLE
USMLE Step 1 Step 2 CK Comp Exam CBSSA Specialist 10+ Years ECFMG Certified
Connect with Dr. Roy

More Than Teaching. This Is
Mentorship That Gets You to Pass.

Dr. Roy Lingam has been training medical students for USMLE Step 1 and CBSSA Comp exams for more than a decade, achieving a remarkable 98% passing rate across his students. His teaching approach goes far beyond passive review.

What sets Dr. Roy apart is his ability to transform overwhelming volumes of basic science material into clear, clinically relevant frameworks that students actually retain. He teaches you how to think through questions — not just what to memorize.

Dr. Lingam is especially known for guiding students who had repeatedly failed the CBSSA and were on the verge of giving up — empowering them to turn their setbacks into triumphs.

"He teaches you how to think through questions — not just what to memorize."
— DelphiUSMLE Student

The Delphi Difference

Three commitments that define every student's journey with us.

01
🎯

Individualized Study Plans

No two students learn the same way. Dr. Roy builds a custom roadmap for your specific weaknesses, learning style, and exam timeline — so every hour you study counts.

02
👥

Small Group Ratios

We deliberately keep class sizes small so you're never just a face in a crowd. You get real attention, real feedback, and a real relationship with your instructor.

03
🏆

Led by Dr. Roy Lingam

With a 98% passing rate over a decade of teaching, Dr. Roy brings deep personal experience with the USMLE — mentoring students who others gave up on.

The Delphi Method in Action

The 5-Stage Cognitive Cycle That Builds Passing Scores

Every Delphi session follows a deliberate 5-stage cognitive cycle — engineered to build deep, exam-ready retention that lasts.

01
💡
Understand
Build true conceptual depth — not surface memorization. Know the why behind every mechanism.
02
🔍
Recognize Patterns
Train your brain to spot high-yield clues in vignettes — the exact skill the exam tests.
03
Apply
Work through targeted USMLE-style questions to test your understanding under real exam pressure.
04
🧠
Encode
Cement concepts with mnemonics, clinical correlations, and spaced repetition frameworks.
05
Recall
Retrieve confidently under timed conditions. This is where passing scores are built.
Science-Backed
MD-Led Every Session
98% Passing Rate
USMLE Pass Step 1

The USMLE Step 1 Just Got Tougher—But So Did We.

With pass rates declining nationwide, the USMLE Step 1 has become more rigorous and complex. At Delphi, we've analyzed student performance data and reimagined how Step 1 should be taught.

Core Resource
📚
First Aid for Step 1®

Our teaching strategy emphasizes deep understanding through detailed lectures, followed immediately by concept-specific practice questions. Students master not just what the question is asking — but why the answer is correct.

passes through First Aid
shown to improve pass rates
Daily Practice
UWorld Questions®

We pair every concept with targeted UWorld practice questions immediately after teaching it. This reinforces retention, builds clinical reasoning, and trains students to decode complex vignette-style questions with confidence.

2,000+
practice questions
linked to higher Step 1 scores

Proven Scientific Method
to Study USMLE

Research from three leading medical institutions tells us exactly what actually works.

2011
Albert Einstein College of Medicine

"Are questions the answer?" — Students who completed ~2,000 practice questions saw significantly improved results. It's about questions, not just study hours.

2014–2015
University of Michigan

"Study behaviors and USMLE Step 1 Performance" — Students who completed three or more passes through First Aid combined with practice questions were significantly more successful.

2015
Washington University of St. Louis

"Student-directed retrieval" — Practice questions are strongly associated with Step 1 performance. Anki use showed significant correlation. Wellness and mindset matter too.

"
Conclusion

After reviewing all three studies, the final conclusion is clear: using First Aid USMLE Step 1 while consistently practicing questions is the key to success.

At Delphi, we have a proven track record of helping students move away from ineffective study methods. Our 6 & 8-week Step 1 live online prep teaches all First Aid concepts in a digestible, stimulating format — followed immediately by UWorld analysis strategies to score optimum results.

🛡️
Our Commitment

We Stay With You Until You Pass.

Enroll once — and we guide you through both your Comp and USMLE Step 1, for as long as it takes. No re-enrollment. No extra fees. Just unwavering support until you cross the finish line.

Pass
Guarantee

Upcoming Cohorts

Seats are limited in each cohort to preserve the small-group experience. Reserve your spot early.

Enrolling Now
Delphi Core Program
Starts May 4, 2025
Daily Live Sessions · 7AM–11AM CST / 8AM–12PM EST · MD-Led
Live Online via Zoom
Core & Premium start together
Delphi Core · 6 Weeks $4,850
Delphi Premium · 8 Weeks $6,950
Open for Enrollment
View Program →
Enrolling Now
Delphi AceComp
April 6 – April 17, 2025
10 Days · 4.5 hrs/day · 7AM–11:30AM CST / 8AM–12:30PM EST
Live Online · CBSSA Focused
Delphi AceComp · 2 Weeks $1,500
Open for Enrollment
View Program →

Exact cohort start dates are sent to enrolled students and newsletter subscribers.
Contact us to receive schedule notifications and availability updates.

Real Students. Real Results.

Don't take our word for it — hear from students whose lives Dr. Roy has transformed.

Excellent ★★★★★ on Trustpilot
Student Result
"My score went from 52% to 94% Chance of Passing — First Try."
🎓
Ross
Delphi Student · USMLE Step 1
★★★★★
"
Structured, High-Yield & Life-Changing
★★★★★

Dr. Roy's course is extremely structured and high-yield, which helped me organize an overwhelming amount of material for Step 1. He broke down complex concepts into clinically relevant frameworks that directly translated into improved question strategy. I became more efficient, more intentional, and way more confident. I highly recommend Delphi to anyone who feels stuck and overwhelmed with USMLE prep.

"
From 52% to 94% Chance of Passing — First Try
★★★★★

Dr. Roy's passion for teaching and ability to tie everything together is remarkable. He filled many knowledge gaps and gave me the confidence to overcome imposter syndrome and my fear of exams. My NBME predictions went from a 52% chance of passing to a 94% chance, and I passed the USMLE on the first try. I am forever indebted to the amazing Dr. Roy.

"
He Believed in Me When I Didn't
★★★★★

When I contacted Dr. Roy, I had failed school CBSE and didn't know what to do. He gave me the courage to restart my prep. He keeps in touch with you and guides you through each practice NBME. He tracks your progress, meets with you regularly, encourages and believes in you when you don't believe in yourself. I not only passed CBSE — I just received my Step 1 PASS. I owe my passing to Dr. Roy.

Free · No Commitment

Step Inside a Delphi Session

See exactly how Dr. Roy teaches live — before you commit to anything. Experience the method, the energy, and the clarity that has helped hundreds of students pass.

🎓 Book Your Free Live Demo
AceComp Exclusive

473 High-Yield Topics.
All in One Tracker.

Every topic Dr. Roy covers across 10 days — organized, filterable, and checkable. Students who enrolled said this tracker alone was worth it.

Preview — AceComp Tracker
CD8+ T cells — class I MHC / perforin, granzyme
Immunology · High Yield
Frank-Starling mechanism — CO vs LVEDV / preload
Cardiology · High Yield
Secondary hyperparathyroidism — ↑PTH, ↓Ca²⁺, ↑PO₄
Renal · High Yield Multi-Q
Duodenal ulcer perforation — pneumoperitoneum on CXR
GI · High Yield
🔒
+469 more topics — unlock upon enrollment
Your Progress 2 / 473
What You Get
📋
473 High-Yield Topics
Every subject covered in 10 days — checkable as you go
🔴
High-Yield & Multi-Q Flags
Instantly filter to the topics most likely to appear on your exam
Flag & Track Weak Spots
Mark topics for review and watch your progress bar grow each day
🔓 See the Full Tracker Enroll to unlock all 473 topics →
Included with AceComp Enrollment
Filterable by Subject & Priority
Progress Saved in Your Browser

Ready to Take the Next Step?

Dr. Roy personally responds to every inquiry. Reach out through any channel below — we're here to help you pass.

✉️
Email
info@delphiusmle.com
Reply within 24 hrs
📞
Call Us
+1 (630) 864-6269
Mon–Sat, 9AM–7PM CT
WhatsApp
+1 (630) 864-6269
Message anytime
📍
Location
4151 McCoy Drive, Unit 141
Aurora, IL · Nationwide via Zoom
Secure Your Spot →

Or email us at info@delphiusmle.com — Dr. Roy personally responds to every inquiry.