HK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Knott, Dermatologist in Mill Valley, CA?
Focused on cancer screening management through skin lesion removal, combining procedural precision with individualized treatment planning, Dr. Haydee H. Knott MD is a Dermatologist in Mill Valley, CA. With a practice based at 655 Redwood Hwy Frontage Rd Ste 100, she serves patients across the region. Known for her expertise in managing complex skin conditions, including Cancer Screening, Sun Damage Skin Condition, and Acne, Dr. Knott's clinical focus centers on the precise diagnosis and treatment of various skin concerns. Her procedural skills include Skin Lesion Removal, Wound Repair, and Skin Biopsy, ensuring comprehensive care for her patients. Dr. Knott's approach is built on a foundation of thorough examination and personalized treatment planning. Dr. Knott is board-certified by the American Board of Dermatology, a testament to her specialized training and expertise. Her hospital affiliations include Novato Community Hospital, Marinhealth Medical Center, and California Pacific Medical Center - Van Ness Campus, reflecting her commitment to delivering high-quality patient care across multiple settings. Dr. Knott is fluent in Spanish, making her services more accessible to a diverse patient population. New patients can schedule a visit with Dr. Knott, who accepts various insurance carriers, including Blue Shield of California, Cigna Group, and Humana. Appointments are available for those seeking expert dermatological care.
Is Dr. Knott board certified as a Dermatologist?
Yes, Dr. Haydee Knott, MD is board certified by the American Board of Dermatology
What languages does Dr. Knott speak?
Dr. Knott and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Dermatologist like Dr. Knott typically treat?
As a Dermatologist, Dr. Knott 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. Knott. 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:
- 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:
- 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:
- Acne Vulgaris
- Acne
- Common acne
- Pimples
- Breakouts
ICD-10 Codes:
- L700: Acne 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:
- Inflamed Seborrheic Keratosis
- Benign Tumor
- Skin Condition
- Irritated seborrheic keratosis
- Red skin growth
- Inflamed age spot
ICD-10 Codes:
- L820: Inflamed seborrheic keratosis
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
What procedures does a Dermatologist like Dr. Knott typically perform?
As a Dermatologist, Dr. Knott 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. Knott. 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
- Removal of Precancerous Skin Lesions
- Skin Conditions
- Benign Skin Growth Destruction
- Skin Lesion Excision
- Cryosurgery for Skin Lesions
- Electrosurgery for Skin Lesions
- Actinic Keratosis Treatment
- Premalignant Lesion Destruction
- Skin Cancer Prevention Treatment
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
- 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)
Also known as:
- Intermediate Wound Repair (2.5 cm or less)
- Intermediate Wound Repair (Body)
- Wounds and Injuries
- Complex Wound Closure
- Deep Wound Stitching
- Injury Repair
- Laceration Repair (Body)
- Surgical Wound Closure (Trunk/Limbs)
- Deep Wound Stitching (Body)
CPT Codes:
- 12031: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.5 cm or less
- 12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
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:
- Mohs Micrographic Surgery
- Mohs Surgery
- Micrographic Skin Cancer Surgery
- Mohs Excision
- Precision Skin Cancer Removal
CPT Codes:
- 17311: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), head, neck, hands, feet, genitalia, or any location with surgery directly involving muscle, cartilage, bone, tendon, major nerves, or vessels; first stage, up to 5 tissue blocks
Does Dr. Knott accept my insurance?
Dr. Knott accepts most major insurance plans. Important: Please call our office at (415) 634-8411 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Knott accept in Mill Valley, CA?
Dr. Knott in Mill Valley, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
All Other Third Party
Blue Shield of California
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Other Provider Networks
Sutter Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Knott's office located?
Dr. Haydee Knott's Primary Practice
655 Redwood Hwy Frontage Rd Ste 100
Mill Valley, CA 94941
(415) 634-8411
What is Dr. Knott's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Knott's National Provider Identifier (NPI) number is 1285808691.
What common questions do patients ask about Dr. Knott?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Knott
What is Dr. Haydee Knott's specialty?
Dr. Knott is a Dermatologist near Mill Valley, CA.
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. Haydee Knott affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Knott is affiliated with Novato Community Hospital, Marinhealth Medical Center, California Pacific Medical Center - Van Ness Campus 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
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 Haydee Knott accepting new patients in Mill Valley, CA?
Yes, Dr. Haydee Knott is accepting new patients at this time.
Does Dr. Haydee Knott offer online booking?
Please contact Dr. Knott's office at (415) 634-8411 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Haydee Knott?
Please contact Dr. Knott's office at (415) 634-8411 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Haydee Knott have?
Dr. Haydee Knott is certified by the American Board of Dermatology.
Other Dermatologist Near Mill Valley, CA
EC
MOHS-Micrographic Surgeon
Dr. Erik Cabral, MD is a MOHS-Micrographic Surgeon, who primarily practices in Mill Valley, CA with 2 additional practice locations.
Mill Valley, CA
DL
Dermatologist
Dr. David Laub, MD is a Dermatologist, who primarily practices in Mill Valley, CA. He has been practicing for over 37 years.
Mill Valley, CA

Dr. Jeffrey Binstock, MD is a MOHS-Micrographic Surgeon, who primarily practices in Mill Valley, CA with 1 additional practice location. He has been practicing for over 45 years and is board certified.
Mill Valley, CA