JY
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Yost, Dermatologist in Redwood City, CA?
Dr. John Yost, MD is a Dermatologist, who primarily practices in Redwood City, CA with 2 additional practice locations. Dr. Yost is fluent in English and German, and is currently seeing new patients. Dr. Yost’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Yost’s office at (650) 721-7190.
What languages does Dr. Yost speak?
Dr. Yost and their clinical team can communicate with patients in the following languages:
English
German
What conditions does Dr. Yost treat?
As a Dermatologist, Dr. Yost 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. Yost. 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:
- 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:
- 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:
- 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
Also known as:
- Mole
- Inflamed Seborrheic Keratosis
- Birthmarks
- Moles
- Common Moles, Dysplastic Nevi, and Risk of Melanoma
- Benign Tumor
- Skin Condition
- Nevus
- Birthmark
- Skin spot
- Irritated seborrheic keratosis
- Red skin growth
- Inflamed age spot
ICD-10 Codes:
- D225: Melanocytic nevi of trunk
- L820: Inflamed seborrheic keratosis
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:
- Dark Skin Patches
- Skin Pigmentation Disorder
- Hyperpigmentation
- Melasma
- Age spots
ICD-10 Codes:
- L814: Other melanin hyperpigmentation
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:
- Other types of warts
- Warts
- Different kinds of warts
- Various warts
- Uncommon warts
ICD-10 Codes:
- B078: Other viral warts
Also known as:
- Acne Vulgaris
- Acne
- Common acne
- Pimples
- Breakouts
ICD-10 Codes:
- L700: Acne vulgaris
What procedures does Dr. Yost perform?
As a Dermatologist, Dr. Yost 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. Yost. 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:
- Removal of Benign Skin Lesions
- Removal of Precancerous Skin Lesions
- Removal of Malignant Skin Lesion (Trunk/Limbs)
- Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
- 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
- Skin Cancer Removal
- Malignant Lesion Destruction
- Skin Tumor Excision
- Cryosurgery for Skin Lesion
- Benign Skin Lesion Excision
- Skin Tumor Removal (Benign)
- Mole Removal (Non-Cancerous)
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
- 17262: Destruction, malignant lesion (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), trunk, arms or legs; lesion diameter 1.1 to 2.0 cm
- 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)
- 11402: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 1.1 to 2.0 cm
Also known as:
- Skin Biopsy
- Skin Biopsy (Additional Site)
- Skin Biopsy (Punch)
- Shave Biopsy
- Tangential Biopsy
- Skin Lesion Biopsy
- Shave biopsy
- Tangential skin biopsy
- Scoop biopsy
- Punch Biopsy
- Dermal Punch Biopsy
CPT Codes:
- 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
- 11103: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); each separate/additional lesion (List separately in addition to code for primary procedure)
- 11104: Punch biopsy of skin (including simple closure, when performed); 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:
- Skin Cancer Removal (Trunk, Arms, Legs)
- Malignant Skin Lesion Removal
- Malignant Lesion Excision
- Skin Tumor Removal
- Cancerous Mole Removal
- Skin Cancer Excision
- Malignant Mole Removal
- Tumor Removal from Skin
- Wide Excision of Skin Lesion
CPT Codes:
- 11603: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 2.1 to 3.0 cm
- 11604: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 3.1 to 4.0 cm
Also known as:
- Skin Cancer Destruction (Body/Limbs)
- Malignant Lesion Destruction
- Skin Tumor Removal without Cutting
- Cryosurgery for Skin Cancer
- Electrosurgery for Skin Lesion
CPT Codes:
- 17263: Destruction, malignant lesion (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), trunk, arms or legs; lesion diameter 2.1 to 3.0 cm
Also known as:
- Skin Cancer Removal (Trunk, Arms, Legs)
- Acne Surgery
- Plastic and Cosmetic Surgery
- Malignant Lesion Excision
- Skin Tumor Removal
- Cancerous Skin Growth Excision
- Milia Removal
- Comedone Extraction
- Cyst Drainage
- Pustule Removal
CPT Codes:
- 11602: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 1.1 to 2.0 cm
- 10040: Acne surgery (eg, marsupialization, opening or removal of multiple milia, comedones, cysts, pustules)
Also known as:
- Complex Wound Repair (Scalp, Arms, Legs)
- Intermediate Wound Repair (Body)
- Intermediate Wound Repair (2.5 cm or less)
- Wounds and Injuries
- Deep Wound Repair (Extremities)
- Surgical Closure of Complex Wound
- Advanced Wound Stitching
- Laceration Repair (Body)
- Surgical Wound Closure (Trunk/Limbs)
- Deep Wound Stitching (Body)
- Complex Wound Closure
- Deep Wound Stitching
- Injury Repair
CPT Codes:
- 13121: Repair, complex, scalp, arms, and/or legs; 2.6 cm to 7.5 cm
- 12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
- 12031: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.5 cm or less
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
Also known as:
- Complex Wound Repair on Torso (2.6-7.5 cm)
- Trunk Wound Closure (Complex)
- Deep Torso Laceration Repair
- Complex Body Wound Stitching
CPT Codes:
- 13101: Repair, complex, trunk; 2.6 cm to 7.5 cm
Also known as:
- Multiple Skin Lesion Injections
- Intralesional Injections (Multiple)
- Injections for Skin Growths
- Steroid Injections for Skin
CPT Codes:
- 11901: Injection, intralesional; more than 7 lesions
Also known as:
- External Ear Biopsy
- Outer Ear Biopsy
- Ear Skin Biopsy
- Ear Tissue Sample
CPT Codes:
- 69100: Biopsy external ear
Also known as:
- Lip Biopsy
- Biopsy
- Lip Tissue Sample
- Oral Biopsy (Lip)
- Lip Lesion Biopsy
CPT Codes:
- 40490: Biopsy of lip
Also known as:
- Freezing Removal of Penile Lesions
- Cryosurgery for Penile Warts
- Penile Lesion Cryotherapy
- Condyloma Freezing
CPT Codes:
- 54056: Destruction of lesion(s), penis (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; cryosurgery
Does Dr. Yost accept my insurance?
Dr. Yost accepts most major insurance plans. Important: Please call our office at (650) 721-7190 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Yost accept in Redwood City, CA?
Dr. Yost in Redwood City, CA 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 Shield of California
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Inland Empire
Medicare
OptumRx
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Yost's office located?
What is Dr. Yost's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Yost's National Provider Identifier (NPI) number is 1336451137.
What common questions do patients ask about Dr. Yost?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Yost
What is Dr. John Yost's specialty?
Dr. Yost is a Dermatologist near Redwood City, CA. 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. Yost to book an appointment today.
Is this Dr. John Yost affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Yost is affiliated with Eisenhower Health Main Campus 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
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 John Yost accepting new patients in Redwood City, CA?
Yes, Dr. John Yost is accepting new patients at this time.
Does Dr. John Yost offer online booking?
Please contact Dr. Yost's office at (650) 721-7190 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Yost?
Please contact Dr. Yost's office at (650) 721-7190 for information regarding telehealth appointment availability or for scheduling assistance.
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