Dr. Jeffrey Ellis

About Dr. Ellis

Dr. Jeffrey Ellis is a co-founder of Belaray Dermatology and one of the leading Mohs surgeons on Long Island. He completed an ACMS-accredited fellowship in Mohs micrographic surgery and holds dual board certification in both Dermatology and Micrographic Dermatologic Surgery — the highest level of specialty certification for skin cancer surgery in the United States — and was one of the first physicians in the U.S. to achieve board certification in Micrographic Dermatologic Surgery. Since co-founding Belaray in 2006, Dr. Ellis has performed thousands of Mohs procedures and reconstruction cases.

Training & Credentials

• Dual Board Certified — Dermatology and Micrographic Dermatologic Surgery (American Board of Dermatology)
• ACMS-Accredited Fellowship Training — Mohs Micrographic Surgery
• Co-Founder, Belaray Dermatology PC (est. 2006)

Education & Training

• Bachelor of Arts in Psychology with Honors — Brooklyn College (1995)
• Doctor of Medicine — SUNY Downstate College of Medicine (2002)
• Medical internship — Cohen Children’s Hospital
• Dermatology residency — SUNY Downstate, completed 2006
• Fellowship training — Mohs Surgery & Procedural Dermatology

Hospital Affiliations & Leadership

• Director of Dermatology — NewYork-Presbyterian Queens
• Director of Dermatology — Brookdale University Hospital
• Director of Dermatology — Kingsbrook Jewish Medical Center
• Former Director of Dermatologic Surgery — Northwell Health
• Additional affiliations — Glen Cove Hospital and St. Joseph’s Hospital
• Director of Digital Strategy — Long Island Dermatological Society

Honors & Recognition

• Castle Connolly Top Doctor — every year since 2019
• One of the first physicians in the United States to achieve board certification in Micrographic Dermatologic Surgery

Clinical Focus

• Mohs micrographic surgery — BCC, SCC, and rare cutaneous tumors
• High-risk and recurrent skin cancer
• Facial and scalp Mohs surgery with same-day reconstruction
• Surgical dermatology and oncology
• Medical dermatology

Selected Publications & Academic Contributions

Dr. Ellis has contributed to the peer-reviewed dermatology literature on Mohs surgery, sunscreen safety, and medical publishing, and has authored book chapters and board-review texts.

Peer-Reviewed Publications

1. DeMarco DV, Ellis JI. 3D modeling and Mohs surgery: a novel approach to medical and patient education. Dermatol Surg. 2018;44(12):1646–1647.
2. Hanson AH, Krause LK, Simmons RN, Ellis JI, Gamble RG, Jensen JD, Noble MN, Orser ML, Suarez AL, Dellavalle RP. Dermatology education and the Internet: traditional and cutting-edge resources. J Am Acad Dermatol. 2011;65(4):836–842.
3. Newman MD, Stotland M, Ellis JI. The safety of nanosized particles in titanium dioxide- and zinc oxide-based sunscreens. J Am Acad Dermatol. 2009;61(4):685–692.
4. Simmons RN, Ellis JI, Dellavalle RP. Dermatology Internet resources. Dermatol Clin. 2009;27(2):193–199.
5. Dellavalle RP, Banks MA, Ellis JI. Self-archiving dermatology articles. J Am Acad Dermatol. 2008;59(6):1086–1088.
6. Umstattd LJ, Banks MA, Ellis JI, Dellavalle RP. Open access dermatology publishing: no citation advantage yet. Open Dermatol J. 2008;2:69–72.
7. Dellavalle RP, Banks MA, Ellis JI. Frequently asked questions regarding self-plagiarism: how to avoid recycling fraud. J Am Acad Dermatol. 2007;57(3):527.
8. Ellis JI, Khrom T, Wong A, Gentile MO, Siegel DM. Mohs math—where the error hides. BMC Dermatol. 2006;6:10.

Books, Chapters & Educational Texts

• Siegel DM, Ellis JI, Schwartz RA. Excision of skin cancer. 2008:385–402. ISBN: 9780470696347.
• Ellis JI. Co-author, “Acne and Diseases of the Sebaceous and Sweat Glands,” in Fundamentals of Dermatology. 2004–2005.
• Ellis JI. Editor and contributor, Folliculitis chapter, online text published by Elsevier (FirstConsult.com). 2004–2005.
• Ellis JI. Editor and contributor, Pemphigoid chapter, online text published by Elsevier (FirstConsult.com). 2004–2005.
• Ellis JI. Co-author, “Acne,” published at AccessDermatology Online. 2005–2006.
• Ellis JI. Author and contributor, American Board Re-Certification Review Manual. 2005.
• Ellis JI. Co-author, Dermatology “Boards in a Box” (Ferndale Labs): dermatology flash cards and online in-service review. 2006.
• Ellis JI. The History of the Dermatology Department at SUNY Downstate (SUNY Downstate Dermatology website). 2001.

Selected Presentations

• “Mohs Math: Where the Error Hides.” American Society for Mohs Surgery, Atlanta (Oct 2005).
• “Open Peer Review of the Medical Literature” and “Open Peer Review and New Measures of Journal Status.” 11th World Congress on Internet in Medicine, Toronto (Oct 2006).
• “Using Teledermatology to Provide Access to NY’s Homeless.” New York Academy of Medicine, Resident Competition Night (Jun 2006).
• “An Urban Model for Telemedicine” and “Asynchronous International Journal Club: A Working Model.” American Telemedicine Association, San Diego (May 2006).
• “A New Model for an On-Line Journal Club” (poster). Medical Society of the State of New York, Buffalo (Apr 2006).
• “A New Model for Evidence-Based Medicine” (poster & presentation). Advances in Medical and Cosmetic Dermatology, Hawaii (Feb 2006).
• “Camera Phone Enabled Consult Team” (poster). American Telemedicine Association, Denver (Apr 2005).

Beyond the Practice

Outside the office, Dr. Ellis is an avid rower and competes with Oyster Bay Community Rowing (OBCR). A physician-technologist at heart, he also builds software tools — an interest reflected in his role as Director of Digital Strategy for the Long Island Dermatological Society.

Professional Profiles & Verification

Dr. Jeffrey Ellis’s credentials and professional identity can be independently verified through these authoritative sources:

• NPI Registry (CMS) — National Provider Identifier 1285748293
• Doximity
• SUNY Downstate faculty
• Catholic Health Long Island

What Patients Say About Dr. Ellis

128 Google reviews mention Dr. Ellis by name (as of August 2026). These are unedited excerpts from Google reviews of Belaray Dermatology:

“From the first call to make a appointment,to the exceptional,professional staff & Dr.Amy Slear I am so grateful. I’ve been going to this practice for several years. Thank you all for making a nerve racking experience so pleasant.Dr Jeffrey & Rachel Ellis go above and beyond performing Mohs surgery & amazing & caring follow up.”

“I recently had a MOHS procedure Dr. Ellis was very caring and explained the procedure and conserved about the patient comfort. The staff was very helpful and friendly during the whole process”

“Hi my experience this morning went well. I needed a mohs procedure to remove a basil cell carcinoma. Dr Ellis explained the treatment and how it’s done. I was pleased with the results! Ilene Kantor”

“Was taken reasonably late because I was anew patient which was understandable. Biopsies were taken by the PA and for shots to my nose and also another close to my eye it was relatively painless- I was pleased and feel confident in Dr Ellis and his staff .”

“We love Dr Ellis. Always kind and right to the point. And always knows what’s going on and how to correct it. Can always count on him to heal my son. 👍🏼🙏💕🌿❄️”

“Dr Ellis is a caring and dedicated professional. He answered all my questions and listened with patience and understanding. Had a body check done which was very thorough. He had no problem with my addressing other issues as well. Just so you know, my husband and I traveled from upper Westchester to see this doctor since I’ve had so much dissatisfaction with the doctors in my area.”

Read all 128 reviews mentioning Dr. Ellis → · All practice reviews