
Accepting patients
Online booking
Telehealth
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Altchek, Dermatologist in New York, NY?
Dr. Douglas D. Altchek, MD, a Dermatologist in New York, NY, has built a reputation for precision and care in treating complex skin conditions. With a Castle Connolly Top Doctor distinction, he brings a meticulous approach to his work, reflecting his extensive training in dermatologic surgery and medical dermatology. Patients often seek Dr. Altchek for conditions such as sun damage skin condition, cancer screening, and contact dermatitis. His practice involves guiding patients through procedures like skin lesion removal, wound treatment, and skin surgery, ensuring comprehensive care for a range of dermatological needs. By addressing both the immediate concerns and long-term skin health, Dr. Altchek provides personalized treatment plans. Dr. Altchek's medical education began at the University Complutense De Madrid, followed by residency training at Mount Sinai Medical Center. He is board-certified by the American Board of Dermatology, further underscoring his expertise. His affiliations with top-tier hospitals, including The Mount Sinai Hospital and Mount Sinai Queens, demonstrate his commitment to delivering high-quality patient care. As a dermatologist serving New York, Dr. Altchek is accessible to patients seeking specialized care. He accepts new patients and various insurance carriers, including UnitedHealth Group. Online booking is available for added convenience. Dr. Altchek's practice is also multilingual, supporting patients who speak French and Spanish. Through his work, he remains a trusted resource for the community, addressing a wide range of skin health concerns.
What are Areas of Expertise for Dr. Altchek?
Dr. Douglas Altchek, MD is a highly-rated, board-certified Dermatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Altchek empowers patients to confidently navigate their health journey, specializing in Botox, Dermatologic Surgery, Eczema, Hair Loss, Medical Dermatology, and comprehensive wellness support. Serving the New York, NY community, Dr. Altchek is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Altchek go to medical school and complete their residency?
Residency: Mt Sinai Med Ctr, Dermatology; Mt Sinai Med Ctr, General Surgery | The Mount Sinai Medical Center, New York | Mt Sinai Med Ctr, Dermatology Mt Sinai Med Ctr, General Surgery
Medical School: University Complutense De Madrid, Fac De Med, Madrid, Spain | Universidad Complutense
Is Dr. Altchek board certified as a Dermatologist?
Yes, Dr. Douglas Altchek, MD is board certified by the American Board of Dermatology
What languages does Dr. Altchek speak?
Dr. Altchek and their clinical team can communicate with patients in the following languages:
English
French
Spanish
What conditions does a Dermatologist like Dr. Altchek typically treat?
As a Dermatologist, Dr. Altchek diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Altchek. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Actinic Keratosis
- Skin Condition
- Sun Exposure
- Skin Cancer Treatment (PDQ®)
- Solar keratosis
- Precancerous skin lesion
- Rough sun spots
ICD-10 Codes:
- L570: Actinic keratosis
Also known as:
- Skin Cancer Screening
- Skin Cancer Screening (PDQ®)
- Mole Check
- Dermatology Screening
- Melanoma Screening
- Skin Exam
ICD-10 Codes:
- Z1283: Encounter for screening for malignant neoplasm of skin
Also known as:
- Contact Dermatitis
- Rashes
- Skin Rash from Contact
- Contact Eczema
- Allergic Contact Dermatitis
ICD-10 Codes:
- L259: Unspecified contact dermatitis, unspecified cause
Also known as:
- Benign Skin Tumor
- Benign Trunk Skin Tumor
- Benign Tumor
- Non-cancerous skin growths
- Skin lesions
- Benign skin masses
- Non-cancerous growth on trunk skin
- Trunk skin lesion
- Benign trunk skin mass
- Lump on body skin
ICD-10 Codes:
- D239: Other benign neoplasm of skin, unspecified
- D235: Other benign neoplasm of skin of trunk
Also known as:
- Alopecia Areata
- Hair Loss
- Alopecia areata
- Patchy hair loss
- Autoimmune hair loss
- Spot baldness
ICD-10 Codes:
- L639: Alopecia areata, unspecified
What procedures does a Dermatologist like Dr. Altchek typically perform?
As a Dermatologist, Dr. Altchek performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Altchek. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Removal of Precancerous Skin Lesions
- Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
- Removal of Benign Skin Lesion
- Removal of Benign Facial Lesion (0.6-1.0 cm)
- Skin Conditions
- Actinic Keratosis Treatment
- Premalignant Lesion Destruction
- Skin Cancer Prevention Treatment
- Cryosurgery for Skin Lesions
- Benign Skin Lesion Excision
- Skin Tumor Removal (Benign)
- Mole Removal (Non-Cancerous)
- Benign Skin Growth Excision
- Skin Lesion Removal Surgery
- Excision of Non-Cancerous Skin Lesion
- Facial Skin Growth Excision
- Benign Lesion Removal (Face)
- Eyelid Lesion Excision
- Lip Lesion Removal
CPT Codes:
- 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion
- 17003: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); second through 14 lesions, each (List separately in addition to code for first lesion)
- 11402: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 1.1 to 2.0 cm
- 11401: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 0.6 to 1.0 cm
- 11441: Excision, other benign lesion including margins, except skin tag (unless listed elsewhere), face, ears, eyelids, nose, lips, mucous membrane; excised diameter 0.6 to 1.0 cm
Also known as:
- Chemical Cauterization of Granulation Tissue
- Proud flesh removal
- Chemical burn for wound overgrowth
- Granulation tissue treatment
- Wound cautery
CPT Codes:
- 17250: Chemical cauterization of granulation tissue (ie, proud flesh)
Also known as:
- Acne Surgery
- Plastic and Cosmetic Surgery
- Milia Removal
- Comedone Extraction
- Cyst Drainage
- Pustule Removal
CPT Codes:
- 10040: Acne surgery (eg, marsupialization, opening or removal of multiple milia, comedones, cysts, pustules)
Also known as:
- Injection for Skin Lesions (Up to 7)
- Intralesional Injection
- Lesion Injection Therapy
- Steroid Injection for Skin Bumps
CPT Codes:
- 11900: Injection, intralesional; up to and including 7 lesions
Does Dr. Altchek accept my insurance?
Dr. Altchek accepts most major insurance plans. Important: Please call our office at (212) 838-8430 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Altchek accept in New York, NY?
Dr. Altchek in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
National Benefit Fund
Service Employees International Union (SEIU)
UnitedHealth Group
View All Insurances
What hospitals are Dr. Altchek affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Altchek has admitting privileges at the following hospitals:
The Mount Sinai Hospital,New York, NY
Gold Standard Top Hospital

Ranked in 4 Specialties

Ranked in 10 Procedures

The Mount Sinai Hospital,New York, NY
Gold Standard Top Hospital
Ranked in 4 Specialties
Ranked in 10 Procedures
Mount Sinai Queens,Astoria, NY
Mount Sinai Queens,Astoria, NY
Would you like to schedule an appointment with Dr. Douglas Altchek?
Dr. Altchek has appointments available at his New York, NY office. Please select a date and time below.
What is Dr. Altchek's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Altchek's National Provider Identifier (NPI) number is 1366449340.
What common questions do patients ask about Dr. Altchek?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Altchek
What is Dr. Douglas Altchek's specialty?
Dr. Altchek is a Dermatologist near New York, NY.
What does a Dermatologist do?
Dermatologists are medical professionals trained to diagnose and treat a wide range of skin conditions in both children and adults, including skin cancers, melanomas, and other tumors. They also manage disorders of the mouth, external genitalia, hair, and nails, and are skilled in treating conditions like dermatitis, allergic reactions, and skin manifestations of systemic diseases. Dermatologists receive specialized training in dermatopathology and dermatologic surgical techniques, and address cosmetic issues such as hair loss and scarring. Additionally, they use laboratory methods to diagnose immune-related skin disorders, often collaborating with immunohematologists for expert consultation and targeted therapies.
Is Dr. Douglas Altchek affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Altchek is affiliated with The Mount Sinai Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Dermatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Dermatologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Douglas Altchek accepting new patients in New York, NY?
Yes, Dr. Douglas Altchek is accepting new patients at this time.
Does Dr. Douglas Altchek offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Altchek, or call (212) 838-8430 for more information.
How can I make an appointment with Dr. Douglas Altchek?
Yes, you can use online booking to schedule an appointment with Dr. Altchek, or call (212) 838-8430 for more information.
Where is Dr. Altchek's office located?
Dr. Altchek's office is located in New York, NY.
Which board certifications does Dr. Douglas Altchek have?
Dr. Douglas Altchek is certified by the American Board of Dermatology.
Other Dermatologist Near New York, NY
MK
Dermatologist
Dr. Michael Kalman is a Dermatologist, who primarily practices in New York, NY. He has been practicing for over 54 years and is board certified.
New York, NY

Dermatologist
Dr. Stacy Salob, MD is a Dermatologist, who primarily practices in New York, NY. She is board certified.
New York, NY
MG
Dermatologist
Dr. Michelle Green, MD is a Dermatologist, who primarily practices in New York, NY with 1 additional practice location. She has been practicing for over 29 years and is board certified.
New York, NY