Transactions
Gendler Dermatology and Lewis Dermatology Launch Avenue Dermatology
NEW YORK, NY — March 2026 – The Bloom Organization (“Bloom”), a leading middle-market investment bank focused across the healthcare services and business services sectors, is pleased to announce that its clients, Ellen C. Gendler, M.D., P.C. (“Gendler Dermatology”) and Amy B. Lewis, M.D., P.C. (“Lewis Dermatology”), have entered into a strategic partnership to form Avenue Dermatology, a premier dermatology platform based on the Upper East Side of Manhattan.
Avenue Dermatology represents the launch of a leading dermatology platform serving one of the most established and clinically sophisticated patient communities in the country. Anchored by two highly respected physician practices, the platform is positioned to deliver exceptional medical and cosmetic dermatology services in a patient-centered setting.
Gendler Dermatology and Lewis Dermatology are both recognized for clinical expertise, personalized care, and strong patient loyalty. Together, the practices bring complementary strengths, meaningful scale, and deep community roots within Manhattan’s Upper East Side. The formation of Avenue Dermatology establishes a cohesive platform designed to support continued growth and operational sophistication while preserving the high-touch, physician-led model that defines both practices.
The platform is supported by Balance Rock Partners, led by Kelsey Holland, which will provide strategic and operational support to enhance infrastructure, technology, marketing, and patient experience initiatives. The partnership is structured to maintain physician leadership and clinical autonomy while positioning Avenue Dermatology for thoughtful, long-term growth.
“Dr. Ellen C. Gendler and Dr. Amy B. Lewis have each built exceptional practices grounded in trust, reputation, and clinical excellence,” said David Rifkin of The Bloom Organization. “The launch of Avenue Dermatology establishes a premier dermatology platform in the Upper East Side of Manhattan, one of the most attractive and defensible healthcare markets in the country. This partnership creates a strong foundation for thoughtful, long-term growth while preserving what makes these practices special.”
The Bloom Organization served as the exclusive financial advisor to Gendler Dermatology and Lewis Dermatology in connection with the transaction, with the engagement led by David Rifkin and Graham Miller.
The transaction reflects continued investor interest in high-quality dermatology platforms, particularly those anchored in strong urban markets with meaningful cosmetic exposure and led by respected physician founders.
For more information or to discuss strategic options for your practice, please fill out the following form to speak with a member of our team.


