Affiliated with a Castle Connolly Top Hospital
Who is Dr. Longwell, Dermatologist in Los Altos, CA?
As a trusted dermatologist in Los Altos, California, Dr. Aleda Longwell MD has built a clinical practice centered on treating acne and related skin concerns. With a particular focus on skin lesion removal and associated techniques, she provides comprehensive care to patients across the region, including those in nearby Danville and San Francisco. Patients often seek Dr. Longwell for conditions such as acne, various skin conditions, seborrheic keratosis, sun damage skin conditions, eczema, and scalp conditions. Her expertise encompasses a range of procedures, including skin lesion removal, skin biopsies, injections, skin surgery, wound repair, and other skin procedures, allowing her to tailor treatment plans to individual patient needs. This breadth of experience reflects a commitment to delivering personalized dermatological care. Dr. Longwell is board-certified by the American Board of Dermatology, underscoring her expertise in the field. She is affiliated with top hospitals in California, including UC Davis Medical Center and Sutter Medical Center, Sacramento. Her practice is accessible to patients who speak multiple languages, including Chinese, Persian, and Spanish. New patients can schedule a visit with Dr. Longwell, who accepts a range of insurance carriers, including Blue Shield of California, Kaiser Permanente, and UnitedHealth Group. Appointments are available at her Los Altos office, located at 4300 El Camino Real Ste 100, as well as at her other locations in Danville and San Francisco.
Is Dr. Longwell board certified as a Dermatologist?
Yes, Dr. Aleda Longwell, MD is board certified by the American Board of Dermatology
What languages does Dr. Longwell speak?
Dr. Longwell and their clinical team can communicate with patients in the following languages:
Chinese
English
Persian
Spanish
What conditions does a Dermatologist like Dr. Longwell typically treat?
As a Dermatologist, Dr. Longwell 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. Longwell. 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:
- 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:
- Seborrheic Keratosis
- Benign Tumor
- Skin Condition
- SK
- Senile Wart
- Barnacle of Life
ICD-10 Codes:
- L821: Other seborrheic keratosis
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:
- Atopic Dermatitis
- Eczema
- Atopic dermatitis
- Itchy skin rash
- Allergic skin condition
ICD-10 Codes:
- L209: Atopic dermatitis, unspecified
Also known as:
- Seborrheic Dermatitis
- Dandruff, Cradle Cap, and Other Scalp Condition
- Dandruff
- Cradle cap
- Seborrheic eczema
ICD-10 Codes:
- L218: Other seborrheic dermatitis
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
What procedures does a Dermatologist like Dr. Longwell typically perform?
As a Dermatologist, Dr. Longwell 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. Longwell. 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:
- 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:
- 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
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:
- Intermediate Wound Repair (Body)
- Wounds and Injuries
- Laceration Repair (Body)
- Surgical Wound Closure (Trunk/Limbs)
- Deep Wound Stitching (Body)
CPT Codes:
- 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 Tag Removal (Up to 15)
- Fibrocutaneous Tag Excision
- Multiple Skin Tag Removal
- Lesion Removal
CPT Codes:
- 11200: Removal of skin tags, multiple fibrocutaneous tags, any area; up to and including 15 lesions
Does Dr. Longwell accept my insurance?
Dr. Longwell accepts most major insurance plans. Important: Please call our office at (415) 771-6300 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Longwell accept in Los Altos, CA?
Dr. Longwell in Los Altos, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
Blue Shield of California
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Hill Physicians Medical Group
Imperial Health Holdings
Kaiser Permanente
Other Health Care Provider
Other TPA
View All Insurances
Where is Dr. Longwell's office located?
Dr. Aleda Longwell also offers virtual visits
Dr. Aleda Longwell's Primary Practice
4300 El Camino Real Ste 100
Los Altos, CA 94022
(415) 771-6300
What hospitals are Dr. Longwell affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Longwell has admitting privileges at the following hospitals:
Uc Davis Medical Center,Sacramento, CA
Ranked Uterine and Ovarian Cancer Surgery

Ranked Uterine and Ovarian Cancer Surgery
Mercy San Juan Medical Center,Carmichael, CA
Ranked Orthopaedic Surgery

Ranked in 2 Procedures

Ranked Orthopaedic Surgery
Ranked in 2 Procedures
Mills-Peninsula Medical Center,Burlingame, CA
Ranked in 3 Specialties

Ranked in 6 Procedures

Ranked in 3 Specialties
Ranked in 6 Procedures
Sutter Medical Center, Sacramento,Sacramento, CA
Ranked in 4 Procedures

Ranked in 4 Procedures
Sutter Roseville Medical Center,Roseville, CA
Ranked ObGyn Surgery

Ranked in 3 Procedures

Ranked ObGyn Surgery
Ranked in 3 Procedures
Would you like to schedule an appointment with Dr. Aleda Longwell?
Dr. Longwell has appointments available at her Los Altos, CA office, as well as 2 other locations. Please select a location, date, and time below.
Ratings & Reviews
3.0
Overall rating
Based on 2 reviews
Office Experience
60% of patients found the doctor and staff friendly and the office clean and modern
Wait Times
70% of patients were satisfied with the wait time
Diagnosis
60% of patients were satisfied with the doctor's diagnosis and explanation of their condition
Patients give Dr. Aleda Longwell a Good overall experience rating of 3 out of 5 stars. Dr. Longwell has been rated and reviewed by 2 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Longwell, her bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsWhat is Dr. Longwell's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Longwell's National Provider Identifier (NPI) number is 1093960643.
What common questions do patients ask about Dr. Longwell?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Longwell
What is Dr. Aleda Longwell's specialty?
Dr. Longwell is a Dermatologist near Los Altos, 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 Dr. Aleda Longwell affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Longwell is affiliated with Uc Davis Medical Center, Mercy San Juan Medical Center, Mills-Peninsula Medical Center, Sutter Medical Center, Sacramento, Sutter Roseville 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
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. Aleda Longwell accepting new patients in Los Altos, CA?
Yes, Dr. Aleda Longwell is accepting new patients at this time.
Does Dr. Aleda Longwell offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Longwell, or call (415) 771-6300 for more information.
How can I make an appointment with Dr. Aleda Longwell?
Yes, you can use online booking to schedule an appointment with Dr. Longwell, or call (415) 771-6300 for more information.
Where is Dr. Longwell's office located?
Dr. Longwell's offices are located in Los Altos, CA, Danville, CA, and San Francisco, CA.
Which board certifications does Dr. Aleda Longwell have?
Dr. Aleda Longwell is certified by the American Board of Dermatology.
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