Dr. Daniel O’connor, MD

About:

Dr. Daniel O’Connor is a highly-rated, board-certified MOHS micrographic surgeon and dermatologist specializing in skin cancer treatment and advanced dermatological procedures. Recognized as a Castle Connolly Top Doctor, he has been selected through a rigorous physician-led research team for his expertise in diagnosing, treating, and managing a wide array of skin conditions. Dr. O’Connor specializes in MOHS surgery, a precise technique that removes only diseased tissue while preserving healthy skin to minimize cosmetic impact. His fellowship training through an ACMS-accredited institution ensures the highest level of expertise in this specialized surgical technique. He practices at three convenient locations across New Hampshire, Massachusetts, and Pennsylvania, serving the Dover, Boston, and Chester communities. Dr. O’Connor utilizes the latest medical advancements and evidence-based practices to provide expert, patient-centered care. He welcomes new patients and accepts most major insurance plans including Kaiser Permanente, Medicare, Cigna, UnitedHealthcare, and Blue Cross Blue Shield.

Education & Training

Fellowship Training

American College of Mohs Surgery (ACMS) – ACMS-accredited fellowship training

Board Certification

Board Certified in MOHS Micrographic Surgery and Dermatology

Medical Conditions Treated

Dr. O’Connor diagnoses and treats a comprehensive range of dermatological conditions:

Skin Cancer

• Basal cell carcinoma
• Squamous cell carcinoma
• Melanoma
• Angiosarcoma
• Other skin malignancies

Common Skin Conditions

• Acne and acne scarring
• Eczema and dermatitis
• Psoriasis
• Rosacea
• Dandruff and seborrheic dermatitis

Infections and Infestations

• Cellulitis
• Athlete’s foot
• Bug bites
• Bedbugs
• Fungal infections

Other Dermatological Issues

• Dyshidrosis (pompholyx)
• Moles and lesions
• Rashes and allergic reactions
• Hair and nail disorders
• Age-related skin changes

Medical Procedures Performed

MOHS Micrographic Surgery

• Specialized skin cancer removal technique
• Tissue-sparing surgical approach
• Minimal cosmetic impact
• High cure rates for skin cancer

Surgical Procedures

• Biopsy – Skin tissue sampling for diagnosis
• Excisional surgery
• Lesion and tumor removal

Cosmetic Procedures

• Botox Treatment – Wrinkle reduction
• Botox Follow Up – Post-treatment care
• Chemical Peel – Skin resurfacing
• Collagen Injection – Facial rejuvenation
• Anti-Aging Treatment – Comprehensive age management

Vascular Procedures

• Ambulatory Phlebectomy – Vein removal

Preventive Care

• Annual Skin Screening – Cancer detection and prevention
• Mole evaluation
• Full-body skin examinations

Services Offered

• MOHS micrographic surgery for skin cancer
• Comprehensive skin cancer treatment
• Annual skin cancer screenings
• General dermatology consultations
• Acne treatment and management
• Cosmetic dermatology procedures
• Botox and injectable treatments
• Chemical peels and skin rejuvenation
• Surgical removal of skin lesions
• Biopsy and diagnostic services

Accepted Insurances

• Medicare
• Kaiser Permanente
• Cigna
• UnitedHealthcare
• Blue Cross Blue Shield
• Blue Cross Blue Shield of Illinois
• Blue Cross Blue Shield of Massachusetts
• Blue Cross Blue Shield of Michigan
• Elevance Health Inc. (formerly Anthem)
• Martin’s Point
• Trustmark Insurance Company
• CMS
• Most other major insurance plans

Call (603) 742-5556 to verify your insurance plan.

Practice Locations

Dover, NH Office

Address: 784 Central Ave, Dover, NH 03820 Phone: (603) 742-5556

Boston, MA Office

Address: Bartlett 616, 55 Fruit St, Boston, MA 02114 Phone: (617) 726-5254

Chester, PA Office

Address: 1 Medical Center Blvd, Chester, PA 19013 Phone: (603) 742-5556

Hospital Affiliations

Hospital affiliation information is not currently specified. Please contact Dr. O’Connor’s office for details about hospital privileges.

Awards & Recognition

• Castle Connolly Top Doctor – Doctor-nominated and selected by a physician-led research team for expertise in MOHS surgery and dermatology

Why Choose Dr. O’Connor?

• Board-certified MOHS micrographic surgeon
• Castle Connolly Top Doctor recognition
• Fellowship-trained through ACMS-accredited program
• Specialized expertise in skin cancer treatment
• Tissue-sparing surgical techniques
• Comprehensive dermatology services
• Three convenient locations (NH, MA, PA)
• Accepts Kaiser Permanente, Medicare, and major insurance
• Evidence-based, patient-centered care

Frequently Asked Questions

Is Dr. O’Connor accepting new patients? Yes, at all three locations.

What languages does Dr. O’Connor speak? English.

Does Dr. O’Connor offer telehealth? Call (603) 742-5556 for telehealth availability.

What insurance does Dr. O’Connor accept? Kaiser Permanente, Medicare, Cigna, UnitedHealthcare, Blue Cross Blue Shield, and most major plans.

What is MOHS micrographic surgery? A specialized surgical technique for removing skin cancer that preserves healthy tissue while ensuring complete cancer removal, resulting in minimal cosmetic impact and high cure rates.

Is Dr. O’Connor a Castle Connolly Top Doctor? Yes, he has been recognized as a Castle Connolly Top Doctor.

Scheduling an Appointment

Dover, NH: (603) 742-5556 Boston, MA: (617) 726-5254

Locations:

• 784 Central Ave, Dover, NH 03820
• Bartlett 616, 55 Fruit St, Boston, MA 02114
• 1 Medical Center Blvd, Chester, PA 19013

Contact the office to schedule your dermatology consultation or skin cancer screening.