Dr. Lauren Penzi, MD

Concierge Dermatology, Commack, NY

MDCS Dermatology

5.0 (11 reviews)

Dr. Lauren Penzi, MD, is a dermatologist at MDCS Dermatology in Commack, New York.

353 Veterans Memorial Highway, Suite 101, Commack, NY 11725

At a glance

Licensed in

Telehealth

Offers virtual visits

Facts on this page last checked September 2026. How we check doctors

About Dr. Penzi

Dr. Penzi earned a bachelor's degree in biology and mathematical sciences from Loyola University Maryland, graduating summa cum laude, and earned her medical degree at New York Medical College, where she was inducted into the Alpha Omega Alpha honor society for graduating in the top 10% of her class. She completed an internal medicine preliminary internship at NYU Winthrop Hospital, a dermatology residency at Johns Hopkins Hospital, and an alopecia clinical and research fellowship at Massachusetts General Hospital (Harvard Dermatology) in Boston.

She treats patients of all ages with a particular clinical interest in acne, rosacea, skin cancer, eczema, psoriasis, and hair loss, and performs cosmetic procedures including neurotoxin injections, dermal fillers, platelet-rich plasma injections, and laser treatments. Her research has been published in JAMA Dermatology and the Journal of the American Academy of Dermatology, and she has authored a book chapter on emergency dermatology. Dr. Penzi has co-authored at least 8 research papers indexed in PubMed.

She has been named a Castle Connolly Top Doctor since 2024, recognized as a Castle Connolly Rising Star for 2024-2025, and named to New York Magazine's Top Doctors list for 2024-2026.

Membership and fees

Fees are not published. Ask the practice.

Services

Neurotoxin injections Dermal fillers Platelet-rich plasma injections Laser treatments

What dermatology doctors commonly treat

Education and credentials

Education

Bachelor's degree in biology and mathematical sciences, Loyola University Maryland, graduating summa cum laude

Education

Medical degree, New York Medical College in Valhalla, NY, where she was inducted into the Alpha Omega Alpha honor society for graduating in the top 10% of her class

Internship

Internal medicine preliminary, NYU Winthrop Hospital in Mineola, New York

Residency

Dermatology, Johns Hopkins Hospital in Baltimore, Maryland, from 2018 to 2021

Fellowship

Completed an alopecia clinical and research fellowship at Massachusetts General Hospital (Harvard Dermatology) in Boston

Membership

Member, Phi Beta Kappa Honor Society, American Academy of Dermatology, American Society for Dermatologic Surgery, Society for Pediatric Dermatology, American Society for Laser Medicine & Surgery, and the Women's Dermatologic Society

License

New York 308189 Verify with the NYS Education Department Office of the Professions

NPI

1720437536

Location

353 Veterans Memorial Highway, Suite 101, Commack, NY 11725

MDCS Dermatology practice page

Directions

Recognition and research

Awards

Was named a Castle Connolly Top Doctor beginning in 2024.

Was recognized as a Castle Connolly Rising Star for 2024-2025.

Was named to New York Magazine's Top Doctors list for 2024-2026.

Publications

Has co-authored at least 8 research papers indexed in PubMed, the U.S. National Library of Medicine database.

Has been published in peer-reviewed medical journals, including JAMA Dermatology and the Journal of the American Academy of Dermatology, and has presented research findings at medical conferences.

Was lead author of "Hair Regrowth in a Patient With Long-standing Alopecia Totalis and Atopic Dermatitis Treated With Dupilumab", published in JAMA Dermatology in 2018.

Was lead author of "Long-standing pili torti in 2 patients with chronic graft-vs-host disease", published in JAAD Case Reports in 2018.

Was lead author of "Hair repigmentation associated with the use of brentuximab", published in JAAD Case Reports in 2017.

"Histologic and clinical cross-sectional study of chronic hair loss in patients with cutaneous chronic graft-versus-host disease"

Journal of the American Academy of Dermatology, 2019

"The Medical and Psychosocial Associations of Alopecia: Recognizing Hair Loss as More Than a Cosmetic Concern"

American Journal of Clinical Dermatology, 2019

Media and books

Authored a book chapter on emergency dermatology.

Has appeared as a quoted dermatology expert source in consumer media articles, including a piece on dermaplaning alternatives and a roundup of top face serums.

Patient reviews

5.0

11 reviews

5 star11

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Write a review

Rated 5 out of 5

Amazing!

"Enlightened me about my condition."

FMDD UserJun 2025

Rated 5 out of 5

Great!

"Very professional care and consult."

FMDD UserDec 2024

Rated 5 out of 5

Awesome!

"Guided me in choosing the best treatment option."

FMDD UserNov 2024

Questions patients ask

Where did Dr. Penzi train?

Dr. Penzi earned her medical degree at New York Medical College in Valhalla, NY, where she was inducted into the Alpha Omega Alpha honor society for graduating in the top 10% of her class. Dr. Penzi completed a dermatology residency at Johns Hopkins Hospital in Baltimore, Maryland, from 2018 to 2021.