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Dr. Catherine Nguyen, MD

Dermatologist

Fullerton, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nguyen, Dermatologist in Fullerton, CA?

    Board-certified in dermatology, Dr. Catherine Nguyen MD is a trusted Dermatologist in Fullerton, CA, serving the local community through her expertise in treating various skin conditions. With a clinical practice anchored in treating sun damage skin condition and a particular depth in wound repair and related techniques, she provides comprehensive care to her patients. Patients often seek Dr. Nguyen for conditions such as Sun Damage Skin Condition, Benign Skin Growth, and Acne. Her expertise extends to various procedures, including Wound Repair, Skin Surgery, and Skin Lesion Removal, which are crucial in addressing these conditions. By combining these procedures with a patient-centered approach, Dr. Nguyen ensures that her patients receive effective treatment and care. Dr. Nguyen's affiliations with top healthcare institutions, including Providence Saint John's Health Center in Santa Monica, underscore her commitment to delivering high-quality patient care. She is affiliated with multiple practice locations across Fullerton and Yorba Linda, making her accessible to a broader community. New patients can schedule a visit with Dr. Nguyen, who accepts various insurance carriers, including CVS Health (formerly Aetna), Kaiser Permanente, and Medicare. Appointments are available at her primary location in Fullerton, as well as her additional practice locations.

    What languages does Dr. Nguyen speak?

    Dr. Nguyen and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Dermatologist like Dr. Nguyen typically treat?

    As a 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:

    • 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:

    • 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:

    • 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:

    • Acne Vulgaris
    • Acne
    • Common acne
    • Pimples
    • Breakouts

    ICD-10 Codes:

    • L700: Acne vulgaris

    Also known as:

    • Dermatitis
    • Eczema
    • Rashes
    • Atopic Dermatitis
    • Skin Inflammation
    • Skin Rash

    ICD-10 Codes:

    • L309: Dermatitis, unspecified

    Also known as:

    • Moles
    • Birthmarks
    • Common Moles, Dysplastic Nevi, and Risk of Melanoma
    • Nevi
    • Beauty marks
    • Skin spots

    ICD-10 Codes:

    • D229: Melanocytic nevi, unspecified

    What procedures does a Dermatologist like Dr. Nguyen typically perform?

    As a 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:

    • Intermediate Wound Repair (Body)
    • Intermediate Wound Repair (2.5 cm or less)
    • Wounds and Injuries
    • Laceration Repair (Body)
    • Surgical Wound Closure (Trunk/Limbs)
    • Deep Wound Stitching (Body)
    • Complex Wound Closure
    • Deep Wound Stitching
    • Injury Repair

    CPT Codes:

    • 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 Cancer Removal (Trunk, Arms, Legs)
    • Malignant Lesion Excision
    • Skin Tumor Removal
    • Cancerous Skin Growth Excision

    CPT Codes:

    • 11602: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 1.1 to 2.0 cm

    Also known as:

    • Removal of Benign Skin Lesions
    • Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
    • Benign Skin Growth Destruction
    • Skin Lesion Excision
    • Cryosurgery for Skin Lesions
    • Electrosurgery for Skin Lesions
    • 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
    • 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:

    • 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:

    • Goeckerman Treatment
    • Photochemotherapy
    • Tar and UV-B Therapy
    • Petrolatum and UV-B Therapy
    • Light Therapy for Skin

    CPT Codes:

    • 96910: Photochemotherapy; tar and ultraviolet B (Goeckerman treatment) or petrolatum and ultraviolet B

    Does Dr. Nguyen accept my insurance?

    Dr. Nguyen accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nguyen accept in Fullerton, CA?

    Dr. Nguyen in Fullerton, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • St. Joseph Health System (CA)

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Nguyen's office located?

    Dr. Catherine Nguyen's Primary Practice

    1950 Sunny Crest Dr Ste 2900

    Fullerton, CA 92835

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    Dr. Catherine Nguyen's Practice 2

    100 E Valencia Mesa Dr Ste 105

    Fullerton, CA 92835

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    Dr. Catherine Nguyen's Practice 3

    4300 Rose Dr

    Yorba Linda, CA 92886

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    What hospitals are Dr. Nguyen affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Nguyen has admitting privileges at the following hospitals:

    Providence St. Joseph Hospital Orange,Orange, CA

    What is Dr. Nguyen's NPI number?A 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 1295199552.

    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. Catherine Nguyen's specialty?

    Dr. Nguyen is a Dermatologist near Fullerton, 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. Catherine Nguyen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nguyen is affiliated with Providence Saint John's Health Center 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 Dr. Catherine Nguyen accepting new patients in Fullerton, CA?

    Yes, Dr. Catherine Nguyen is accepting new patients at this time.

    Does Dr. Catherine Nguyen offer online booking?

    Please contact Dr. Nguyen's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Catherine Nguyen?

    Please contact Dr. Nguyen's office to schedule an appointment.

    Where is Dr. Nguyen's office located?

    Dr. Nguyen's offices are located in Fullerton, CA and Yorba Linda, CA.