11 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Halsey, Dermatologist in Sag Harbor, NY?
Dr. Mark Halsey, MD is a Dermatologist, who primarily practices in Sag Harbor, NY. He has been practicing for over 11 years and is board certified. Dr. Halsey completed his residency at University of Massachusetts. He is a member of the American Academy of Dermatology, American Medical Association, Society for Investigative Dermatology, and Greater New York Dermatologic Association. Dr. Halsey is fluent in English, and is currently seeing new patients. Dr. Halsey’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Halsey’s office at (631) 731-1099.
Where did Dr. Halsey go to medical school and complete their residency?
Fellowship: Harvard/Boston Childrens Hospital
Residency: University of Massachusetts
Medical School: University of South Florida College of Medicine | Massachusetts Institute Of Technology
Is Dr. Halsey board certified as a Dermatologist?
Yes, Dr. Mark Halsey, MD is board certified by the American Board of Dermatology since 2015
What languages does Dr. Halsey speak?
Dr. Halsey and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Halsey treat?
As a Dermatologist, Dr. Halsey 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. Halsey. 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.
Also known as:
- Pyoderma Gangrenosum
- Skin Condition
- Skin Ulcer
- Inflammatory Skin Condition
ICD-10 Codes:
- L88: Pyoderma gangrenosum
Also known as:
- Acne Vulgaris
- Acne
- Common acne
- Pimples
- Breakouts
ICD-10 Codes:
- L700: Acne vulgaris
Also known as:
- Chronic Radiation Skin Changes
- Skin Condition
- Long-term radiation dermatitis
- Skin damage from radiation
- Non-ionizing radiation skin effects
ICD-10 Codes:
- L578: Other skin changes due to chronic exposure to nonionizing radiation
Which procedures does Dr. Halsey perform as a Dermatologist?
As a Dermatologist, procedures performed by Dr. Mark Halsey may include:
- Ambulatory Phlebectomy
- Annual Skin Screening
- Anti-Aging Treatment
- Biopsy
- Botox Follow Up
- Botox Treatment
- Chemical Peel
- Collagen Injection
For detailed information, please contact Dr. Halsey's office.
Does Dr. Halsey accept my insurance?
Dr. Halsey accepts most major insurance plans. Important: Please call our office at (631) 731-1099 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Halsey accept in Sag Harbor, NY?
Dr. Halsey in Sag Harbor, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Michigan
Carpenters Funds Administrative Office (CA)
Medicare
Molina
State of Tennessee
View All Insurances
Where is Dr. Halsey's office located?
Recognitions
Memberships & Associations
American Academy of Dermatology
Professional Member
American Medical Association
Professional Member
Society for Investigative Dermatology
Professional Member
Greater New York Dermatologic Association
Professional Member
What is Dr. Halsey's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Halsey's National Provider Identifier (NPI) number is 1790070480.
What common questions do patients ask about Dr. Halsey?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Halsey
What is Dr. Mark Halsey's specialty?
Dr. Halsey is a Dermatologist near Sag Harbor, NY. 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. Contact Dr. Halsey to book an appointment today.
Is this Dr. Mark Halsey affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Halsey is affiliated with Stony Brook Southampton Hospital, MUSC Health University Medical Center which are a Castle Connolly Top Hospitals. 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
Where can I learn more about Dermatologist?
Explore Dermatologist with 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 Mark Halsey accepting new patients in Sag Harbor, NY?
Yes, Dr. Mark Halsey is accepting new patients at this time.
Does Dr. Mark Halsey offer online booking?
Please contact Dr. Halsey's office at (631) 731-1099 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Halsey?
Please contact Dr. Halsey's office at (631) 731-1099 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Halsey have?
Dr. Mark Halsey is certified by the American Board of Dermatology.
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