
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Fonder, Dermatologist in Ridgewood, NJ?
Board-certified by the American Board of Dermatology, Dr. Margaret Ann Fonder MD is a trusted Dermatologist in Ridgewood, NJ, serving the local community with comprehensive skin care. She practices at 400 Route 17, providing accessible care to patients across the region. With a clinical focus on managing complex skin conditions, Dr. Fonder addresses a range of concerns, from acne and psoriasis to benign skin growths and sun damage. Her expertise extends to various procedures, including psoriasis treatment, skin lesion removal, sweat gland treatment, and skin biopsies, ensuring patients receive tailored care for their specific needs. By combining procedural precision with individualized treatment planning, she helps patients achieve optimal outcomes and restore skin health. Dr. Fonder's training and certification in dermatology equip her with the expertise to handle a broad spectrum of skin-related issues. Her affiliation with The Valley Hospital in Paramus, NJ, a top-ranked hospital in the state, further underscores her commitment to delivering high-quality patient care. New patients can schedule a visit with Dr. Fonder, who accepts various insurance carriers, including Medicare and Horizon Mutual Holdings. She also speaks Spanish, making her services more accessible to a diverse patient population. Appointments are available for those seeking expert dermatological care in Ridgewood and surrounding areas.
Is Dr. Fonder board certified as a Dermatologist?
Yes, Dr. Margaret Fonder, MD is board certified by the American Board of Dermatology
What languages does Dr. Fonder speak?
Dr. Fonder and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Dermatologist like Dr. Fonder typically treat?
As a Dermatologist, Dr. Fonder 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. Fonder. 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:
- Acne Vulgaris
- Acne
- Common acne
- Pimples
- Breakouts
ICD-10 Codes:
- L700: Acne vulgaris
Also known as:
- Mole
- Birthmarks
- Moles
- Common Moles, Dysplastic Nevi, and Risk of Melanoma
- Nevus
- Birthmark
- Skin spot
ICD-10 Codes:
- D225: Melanocytic nevi of trunk
Also known as:
- Plaque Psoriasis
- Psoriasis
- Common psoriasis
- Chronic plaque psoriasis
- Psoriasis of the skin
ICD-10 Codes:
- L400: Psoriasis vulgaris
Also known as:
- Skin Tumor of Uncertain Behavior
- Skin Condition
- Skin Neoplasm
- Skin Growth
- Uncertain Skin Lesion
ICD-10 Codes:
- D485: Neoplasm of uncertain behavior of skin
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:
- Other types of warts
- Warts
- Different kinds of warts
- Various warts
- Uncommon warts
ICD-10 Codes:
- B078: Other viral warts
Also known as:
- Seborrheic Keratosis
- Benign Tumor
- Skin Condition
- SK
- Senile Wart
- Barnacle of Life
ICD-10 Codes:
- L821: Other seborrheic keratosis
What procedures does a Dermatologist like Dr. Fonder typically perform?
As a Dermatologist, Dr. Fonder 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. Fonder. 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 Benign Skin Lesions
- Benign Skin Growth Destruction
- Skin Lesion Excision
- Cryosurgery for Skin Lesions
- Electrosurgery for Skin Lesions
CPT Codes:
- 17110: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), of benign lesions other than skin tags or cutaneous vascular proliferative lesions; up to 14 lesions
Also known as:
- Skin Biopsy
- Shave Biopsy
- Tangential Biopsy
- Skin Lesion Biopsy
CPT Codes:
- 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
Also known as:
- Excimer Laser Treatment for Psoriasis (Small Area)
- Laser Psoriasis Treatment
- UVB Laser for Psoriasis
- Targeted Phototherapy for Psoriasis
CPT Codes:
- 96920: Excimer laser treatment for psoriasis; total area less than 250 sq cm
Also known as:
- Underarm Sweat Gland Nerve Treatment
- Axillary Chemodenervation
- Botox for Underarm Sweating
- Treatment for Excessive Underarm Sweating
CPT Codes:
- 64650: Chemodenervation of eccrine glands; both axillae
Does Dr. Fonder accept my insurance?
Dr. Fonder accepts most major insurance plans. Important: Please call our office at (201) 652-4536 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Fonder accept in Ridgewood, NJ?
Dr. Fonder in Ridgewood, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Horizon Mutual Holdings
Medicare
Oscar Health
Unknown
View All Insurances
Where is Dr. Fonder's office located?
What is Dr. Fonder's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Fonder's National Provider Identifier (NPI) number is 1962689133.
What common questions do patients ask about Dr. Fonder?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Fonder
What is Dr. Margaret Fonder's specialty?
Dr. Fonder is a Dermatologist near Ridgewood, NJ.
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 this Dr. Margaret Fonder affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Fonder is affiliated with The Valley 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 Margaret Fonder accepting new patients in Ridgewood, NJ?
Yes, Dr. Margaret Fonder is accepting new patients at this time.
Does Dr. Margaret Fonder offer online booking?
Please contact Dr. Fonder's office at (201) 652-4536 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Margaret Fonder?
Please contact Dr. Fonder's office at (201) 652-4536 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Margaret Fonder have?
Dr. Margaret Fonder is certified by the American Board of Dermatology.
Other Dermatologist Near Ridgewood, NJ
AS
Dermatologist
Dr. Amy Stevens, MD is a Dermatologist, who primarily practices in Ridgewood, NJ with 1 additional practice location. She is board certified.
Ridgewood, NJ

Dermatologist
Dr. Karin Satra, MD is a Dermatologist, who primarily practices in Ridgewood, NJ with 1 additional practice location. She is board certified.
Ridgewood, NJ
KP
Procedural Dermatologist
Dr. Kapila Paghdal, MD is a Procedural Dermatologist, who primarily practices in Oakland, NJ with 2 additional practice locations. She is board certified.
Oakland, NJ