EN
Dr. Ethan-Quan Nguyen, MD
Riverside, CA
Accepting patients
Who is Dr. Nguyen, Procedural Dermatologist in Riverside, CA?
Dr. Ethan-Quan Nguyen, MD is a Procedural Dermatologist, who primarily practices in Riverside, CA. Dr. Nguyen graduated from Georgetown University School of Medicine and completed his residency at Ohio State University. Dr. Nguyen is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Nguyen’s practice accepts Kaiser Permanente, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nguyen’s office at (951) 682-9293.
What are Areas of Expertise for Dr. Nguyen?
Dr. Ethan-Quan Nguyen, MD is a highly-rated, board-certified Procedural Dermatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Nguyen empowers patients to confidently navigate their health journey, specializing in Acne, Cosmetic Dermatology, Dermatologic Surgery, Hair Loss, Skin Cancer, and comprehensive wellness support. Serving the Riverside, CA community, Dr. Nguyen is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Nguyen go to medical school and complete their residency?
Residency: Ohio State University | Ohio State University Hospital Program
Medical School: Georgetown University School of Medicine
What languages does Dr. Nguyen speak?
Dr. Nguyen and their clinical team can communicate with patients in the following languages:
English
Vietnamese
What conditions does a Procedural Dermatologist like Dr. Nguyen typically treat?
As a Procedural Dermatologist, Dr. Nguyen 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. Nguyen. 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 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:
- Atopic Dermatitis
- Eczema
- Atopic dermatitis
- Itchy skin rash
- Allergic skin condition
ICD-10 Codes:
- L2089: Other atopic dermatitis
Also known as:
- Plaque Psoriasis
- Psoriasis
- Common psoriasis
- Chronic plaque psoriasis
- Psoriasis of the skin
ICD-10 Codes:
- L400: Psoriasis vulgaris
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 Procedural Dermatologist like Dr. Nguyen typically perform?
As a Procedural Dermatologist, Dr. Nguyen 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. Nguyen. 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 Biopsy
- Skin Biopsy (Punch)
- Additional Skin Biopsy (Punch)
- Skin Biopsy (Additional Site)
- Shave Biopsy
- Tangential Biopsy
- Skin Lesion Biopsy
- Punch Biopsy
- Dermal Punch Biopsy
- Multiple Punch Biopsies
- Second Skin Biopsy
- Additional Skin Lesion Biopsy
- Shave biopsy
- Tangential skin biopsy
- Scoop biopsy
CPT Codes:
- 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
- 11104: Punch biopsy of skin (including simple closure, when performed); single lesion
- 11105: Punch biopsy of skin (including simple closure, when performed); each separate/additional lesion (List separately in addition to code for primary procedure)
- 11103: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); each separate/additional lesion (List separately in addition to code for primary procedure)
Also known as:
- Electrolysis Hair Removal (30 Minutes)
- Permanent Hair Removal (Electrolysis)
- Electrolysis Treatment
- Hair Follicle Removal
- Electric Hair Removal
CPT Codes:
- 17380: Electrolysis epilation, each 30 minutes
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
Also known as:
- Mohs Surgery
- Mohs Micrographic Surgery
- Skin Cancer Removal
- Precise Skin Cancer Surgery
CPT Codes:
- 17312: 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; each additional stage after the first stage, up to 5 tissue blocks (List separately in addition to code for primary procedure)
Does Dr. Nguyen accept my insurance?
Dr. Nguyen accepts most major insurance plans. Important: Please call our office at (951) 682-9293 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nguyen accept in Riverside, CA?
Dr. Nguyen in Riverside, 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 Cross Blue Shield of Michigan
Kaiser Permanente
Medicare
Molina Healthcare
OptumRx Administered Payer
Other Health Care Provider
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Nguyen's office located?
Dr. Ethan-Quan Nguyen's Primary Practice
4336 Market St
Riverside, CA 92501
(951) 682-9293
What is Dr. Nguyen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nguyen's National Provider Identifier (NPI) number is 1104828508.
What common questions do patients ask about Dr. Nguyen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nguyen
What is Dr. Ethan-Quan Nguyen's specialty?
Dr. Nguyen is a Procedural Dermatologist near Riverside, CA.
What does a Procedural Dermatologist do?
Procedural Dermatology is a distinct subspecialty of Dermatology, that involves a diverse range of surgical techniques aimed at the removal or alteration of skin tissue for both health-related and aesthetic purposes. The techniques employed in this discipline include scalpel surgery, laser surgery, chemical surgery, cryosurgery (liquid nitrogen), electrosurgery, aspiration surgery, liposuction, injection of filler substances, and Mohs micrographic controlled surgery (an advanced procedure designed for the elimination of growths, with a focus on skin cancers).
Is this Dr. Ethan-Quan Nguyen affiliated with a ranked Castle Connolly Top Hospital?
No, Nguyen is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Riverside Community Hospital. Castle Connolly Top Hospitals 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 Procedural Dermatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Procedural 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 Ethan-Quan Nguyen accepting new patients in Riverside, CA?
Yes, Dr. Ethan-Quan Nguyen is accepting new patients at this time.
Does Dr. Ethan-Quan Nguyen offer online booking?
Please contact Dr. Nguyen's office at (951) 682-9293 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ethan-Quan Nguyen?
Please contact Dr. Nguyen's office at (951) 682-9293 for information regarding telehealth appointment availability or for scheduling assistance.
Other Procedural Dermatologist Near Riverside, CA
OJ
Procedural Dermatologist
Dr. Olivia Jenks is a Procedural Dermatologist, who primarily practices in Riverside, CA.
Riverside, CA

Procedural Dermatologist
Dr. Jafar Koupaie, MD is a Procedural Dermatologist, who primarily practices in Riverside, CA with 2 additional practice locations. He is board certified.
Riverside, CA
AE
MOHS-Micrographic Surgeon
Dr. Ashley Elsensohn, MD is a MOHS-Micrographic Surgeon, who primarily practices in Moreno Valley, CA with 2 additional practice locations.
Moreno Valley, CA