About Dr. Joanna Dong, MD

Double Board-Certified Dermatologist | Fellowship-Trained Mohs Micrographic Surgeon

Dr. Joanna Dong is a double board-certified dermatologist and fellowship-trained Mohs micrographic surgeon at the Skin Institute of New York (SINY®). She provides comprehensive dermatologic care—including medical, surgical, and cosmetic dermatology—to patients across Manhattan, Brooklyn, Queens, and Long Island.

Dr. Dong is known for her empathetic, patient-centered approach and commitment to using the most advanced surgical, reconstructive, and cosmetic techniques available. Her goal is to achieve the highest cure rates for skin cancer while delivering natural-looking aesthetic results.

Her expertise spans skin cancer treatment, Mohs micrographic surgery, reconstructive dermatologic surgery, cosmetic injectables, and laser procedures, as well as general dermatology care such as acne treatment, hair loss management, and skin rash diagnosis.

Schedule an Appointment with Dr. Dong

Education & Training

Dr. Dong has trained at some of the nation’s leading academic institutions in dermatology and cutaneous surgery.

• Bachelor of Arts in Biological Sciences (Summa Cum Laude) – Cornell University
• Doctor of Medicine (MD) – Icahn School of Medicine at Mount Sinai
• Dermatology Residency – University of Miami Miller School of Medicine
• Mohs Micrographic Surgery Fellowship – Laser and Skin Surgery Center of Indiana under internationally recognized Mohs surgeon C. William Hanke, MD

During medical school at Mount Sinai, Dr. Dong conducted innovative epigenetic research in melanoma and graduated with clinical and research honors as one of the top students in her class.

Mohs Surgery & Skin Cancer Treatment

Dr. Dong specializes in Mohs micrographic surgery, an advanced surgical technique used to treat skin cancer with extremely high cure rates while preserving healthy surrounding tissue.

Conditions treated include:

• Basal cell carcinoma
• Squamous cell carcinoma
• Recurrent or high-risk skin cancers
• Complex or cosmetically sensitive lesions

Following tumor removal, Dr. Dong performs reconstructive surgery when necessary to optimize healing and cosmetic outcomes.

Cosmetic Dermatology & Laser Treatments

In addition to skin cancer treatment, Dr. Dong provides advanced cosmetic dermatology procedures designed to enhance skin health and rejuvenate the face and body.

Cosmetic treatments may include:

• Neuromodulators (such as Botox® and Dysport®)
• Dermal fillers and biostimulators
• Fat transfer procedures
• Laser resurfacing and skin rejuvenation
• Body contouring treatments
• Facial rejuvenation surgery

Her goal is to provide natural-looking results that enhance each patient’s features while maintaining facial harmony.

General Dermatology Care

Dr. Dong also provides comprehensive care for many common skin conditions, including:

• Skin cancer screening and prevention
• Acne and acne scarring
• Hair loss and scalp disorders
• Eczema and psoriasis
• Rosacea
• Skin rashes and inflammatory skin conditions

She emphasizes preventative skin care and long-term dermatologic health for patients of all ages.

Research, Teaching & Academic Leadership

Dr. Dong is actively involved in dermatology research, medical education, and academic mentorship.

She serves as:

• Voluntary Associate Professor of Dermatology and Cutaneous Surgery at University of Miami Miller School of Medicine
• Voluntary Faculty of Dermatology at New York University School of Medicine

Her academic contributions include:

• Numerous peer-reviewed publications and textbook chapters on skin cancer, reconstructive surgery, and cosmetic dermatology
• Invited lectures at national dermatology conferences
• Research on novel therapies for scarring disorders and hair loss

Dr. Dong has received several prestigious research awards and grants, including support from the Howard Hughes Medical Institute.

Patient Experience & Satisfaction

Patients consistently describe Dr. Dong as compassionate, attentive, and highly professional. She prioritizes clear communication and takes time to ensure patients feel comfortable and informed about their treatment plans.

Convenient Locations in New York

Dr. Dong sees patients at several SINY Dermatology locations across New York City and Long Island.

Bay Ridge

7901 4th Ave Brooklyn, NY 11209

Phone: 800-778-3090

Hours:

• Mon–Thu: 9:00 AM – 8:00 PM
• Fri: 9:00 AM – 6:30 PM
• Sat: 9:00 AM – 3:00 PM
• Sun: 9:00 AM – 2:00 PM

Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.

Schedule an Appointment in Bay Ridge

Southold, Long Island

56850 Main Rd, Southold, NY 11971

Phone: 800-778-3090

Hours:

• Mon: Closed
• Tue-Wed: 9:00 AM – 8:00 PM
• Thu: 9:00 AM – 7:00 PM
• Fri: Closed
• Sat: 9:00 AM – 3:00 PM
• Sun: Closed

Serving patients from: Southold, Greenport, Mattituck, Cutchogue, Orient, Riverhead, and North Fork Long Island communities.

Schedule an Appointment at Southold

 

Park Avenue

1000 Park Ave, New York, NY 10028

Phone: 800-778-3090

Hours:

• Mon-Tue: 9:00 AM – 5:00 PM
• Wed: 12:00 PM – 8:00 PM
• Thu: 9:00 AM – 5:00 PM
• Fri: Closed
• Sat: 10:00 AM – 3:00 PM
• Sun: Closed

Serving patients from: Upper East Side, Carnegie Hill, Lenox Hill, Yorkville, Midtown East, Central Park East, and surrounding Manhattan neighborhoods.

Schedule an Appointment at Park Avenue

Williamsburg

395 Graham Ave Brooklyn, NY 11211

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 6:00 PM
• Tue: 11:00 AM – 7:00 PM
• Wed: 9:00 AM – 8:00 PM
• Thu–Fri: 9:00 AM – 5:00 PM
• Sat: 10:00 AM – 3:00 PM
• Sun: Closed

Serving patients from: Williamsburg, Greenpoint, Bushwick, Bedford-Stuyvesant, East Williamsburg, and surrounding North Brooklyn neighborhoods.

Schedule an Appointment in Williamsburg

Massapequa, Long Island

83A Grand Ave Massapequa, NY 11758

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 5:00 PM
• Tue: 12:00 PM – 8:00 PM
• Wed: Closed
• Thu–Fri: 9:00 AM – 5:00 PM
• Sat: By appointment
• Sun: Closed

Serving patients from: Massapequa, Massapequa Park, Seaford, Wantagh, Bellmore, Amityville, Farmingdale, and surrounding Long Island communities.

Schedule an Appointment in Massapequa

Accepted Insurance Plans

Dr. Dong accepts many widely used insurance plans, including:

• Aetna
• Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
• Blue Cross Blue Shield
• Cigna
• UnitedHealthcare and Oxford
• EmblemHealth (GHI / HIP)
• Healthfirst (NY)
• Medicare
• Fidelis Care
• Humana
• Multiplan PHCS
• Surest Health Plans
• 1199SEIU

Patients are encouraged to verify coverage prior to their appointment.

About SINY Dermatology (Skin Institute of New York)

The Skin Institute of New York (SINY®) is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York City and Long Island. SINY physicians combine advanced clinical training, academic excellence, and patient-centered care to deliver individualized, evidence-based treatment for every patient.