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(212) 644-9100Mon–Thu, 9am–5pm425 Madison Avenue
Functional Medicine · Madison Avenue

A Clearer Picture.
A Better Path
to Health.

We bring your health history and test results together to guide your treatment—then track your progress and adjust your plan for better outcomes.

  • Physician-Led Care
  • In-Person & Telehealth
  • Midtown Manhattan

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Your Concerns

Still Looking for Answers?

01

Still Searching
for Relief.

You’ve seen doctors and tried treatments, but still don’t feel better.

02

Test Results. No Clear Answers.

You have the results, but don’t know what they mean for your health—or what to do next.

03

More Energy. More Healthy Years.

You want to stay sharp, feel energized, and enjoy more active, productive years ahead.

Our Services

Find the Right Direction for Your Health.

Care for Today. A Plan for What’s Ahead.

Why Genesis Health

More Time. Direct Physician Access.

Extended Visit Times

A 90-minute first visit to review your symptoms, history, lifestyle, and questions.

Testing With a Clear Purpose

Understand why each test is recommended and how the results may guide your care.

Support Between Visits

Ask your physician questions and get guidance between appointments.

The Genesis Health team

In-Person or Online

Meet on Madison Avenue or through telehealth. Sunday appointments available by arrangement.

Your First Steps

From Your First Call to Ongoing Care.

  1. 01

    Book a Free Discovery Call.

    Spend 15 minutes discussing your concerns and whether our practice fits your needs.

  2. 02

    Meet Your Physician.

    Your 90-minute consultation covers your medical history, symptoms, lifestyle, and goals.

  3. 03

    Complete Recommended Testing.

    Your physician selects any tests needed to better understand your health.

  4. 04

    Review Your Care Plan.

    Discuss your results, treatment options, and next steps.

  5. 05

    Follow Your Progress.

    Review what’s changing and adjust your care with your physician.

Our Approach to Your Care
Meet Your Physician

Meet Dr. Ruth Johnson.

Founder & Lead Physician

Dr. Johnson takes time to understand your history, explain your options, and build a care plan with you.

  • Board-Certified in Internal Medicine
  • Mount Sinai Trained
Learn More About Dr. Johnson
Your Care Team

The People Behind Your Care.

Meet the team supporting your treatment, appointments, and questions along the way.

Meet Our Team
Dr. Ruth Johnson

Dr. Ruth Johnson

Founder & Lead Physician

Dr. Ninoschka Sevillano

Dr. Ninoschka Sevillano

Functional Medicine Specialist

Kathleen Winnick

Kathleen Winnick

Patient Care Specialist

Fairuz Abdalla

Fairuz Abdalla

Patient Care Coordinator

Insurance & Payment

Understand Your Coverage Before Your Visit.

We work with eligible out-of-network benefits and submit claims on your behalf. Coverage and reimbursement depend on your plan.

Ask about benefits through

  • BlueCross BlueShield
  • UnitedHealthcare
  • Aetna
  • Cigna
  • Oxford
  • Out-of-Network Claims Filed
  • HSA/FSA for Eligible Services
  • Payment Plans Available
Explore Insurance & Payment