37 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O Neill, Dermatologist in Bethesda, MD?
Dr. John O Neill, MD is a Dermatologist, who primarily practices in Bethesda, MD with 2 additional practice locations. He has been practicing for over 37 years and is board certified. Dr. O Neill graduated from Georgetown University School of Medicine and completed his residency at Naval Medical Center (Portsmouth) Program. Dr. O Neill is fluent in English, and is currently seeing new patients. Dr. O Neill’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O Neill’s office at (301) 530-4800.
What are Areas of Expertise for Dr. O Neill?
Dr. John O Neill, MD is a highly-rated, board-certified Dermatologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. O Neill empowers patients to confidently navigate their health journey, specializing in Dermatologic Surgery, Fillers & Injectables, Hair & Nail Disorders, Laser Surgery, Pediatric Dermatology, or comprehensive wellness support. Serving the Bethesda/MD community, Dr. O Neill is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. O Neill go to medical school and complete their residency?
Residency: Naval Medical Center (Portsmouth) Program
Medical School: Georgetown University School of Medicine
What languages does Dr. O Neill speak?
Dr. O Neill and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. O Neill treat?
As a Dermatologist, Dr. O Neill 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. O Neill. 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:
- Benign Trunk Skin Tumor
- Benign Skin Tumor
- Benign Tumor
- Non-cancerous growth on trunk skin
- Trunk skin lesion
- Benign trunk skin mass
- Lump on body skin
- Non-cancerous skin growths
- Skin lesions
- Benign skin masses
ICD-10 Codes:
- D235: Other benign neoplasm of skin of trunk
- D239: Other benign neoplasm of skin, unspecified
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
- Red Skin Condition
- Skin Condition
- Skin Neoplasm
- Skin Growth
- Uncertain Skin Lesion
- Erythematous skin disorders
- Inflamed skin conditions
ICD-10 Codes:
- D485: Neoplasm of uncertain behavior of skin
- L538: Other specified erythematous conditions
Also known as:
- Acne Vulgaris
- Acne
- Common acne
- Pimples
- Breakouts
ICD-10 Codes:
- L700: Acne vulgaris
Also known as:
- Follicular Skin Cysts
- Epidermal Cyst
- Skin Condition
- Hair follicle cysts
- Dermal cysts
- Subcutaneous cysts
- Sebaceous Cyst
- Keratin Cyst
- Epidermoid Cyst
ICD-10 Codes:
- L728: Other follicular cysts of the skin and subcutaneous tissue
- L720: Epidermal cyst
Also known as:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
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:
- 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:
- Severe Itching
- Itching
- Chronic pruritus
- Generalized itching
- Persistent itch
ICD-10 Codes:
- L298: Other pruritus
Also known as:
- Cancer Follow-up Exam
- Cancer
- Post-cancer treatment checkup
- Malignancy surveillance
- Oncology follow-up
ICD-10 Codes:
- Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
Also known as:
- Other Skin Sensation Problems
- Peripheral Nerve Disorder
- Abnormal Skin Sensations
- Unusual Skin Feelings
- Disturbed Skin Sensation
ICD-10 Codes:
- R208: Other disturbances of skin sensation
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:
- Rosacea
- Adult Acne
- Facial Redness
- Red Face Condition
ICD-10 Codes:
- L718: Other rosacea
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:
- Irritant Contact Dermatitis
- Rashes
- Skin Rash from Irritation
- Irritant Eczema
- Skin Inflammation from Contact
ICD-10 Codes:
- L249: Irritant contact dermatitis, unspecified cause
Also known as:
- Dermatitis
- Eczema
- Rashes
- Atopic Dermatitis
- Skin Inflammation
- Skin Rash
ICD-10 Codes:
- L309: Dermatitis, unspecified
Which procedures does Dr. O Neill perform as a Dermatologist?
As a Dermatologist, procedures performed by a Dr. John O Neill may include:
- Ambulatory Phlebectomy
- Annual Skin Screening
- Anti-Aging Treatment
- Biopsy
- Botox Follow Up
- Botox Treatment
- Chemical Peel
- Collagen Injection
For detailed information, please contact Dr. O Neill's office.
Does Dr. O Neill accept my insurance?
Dr. O Neill accepts most major insurance plans. Important: Please call our office at (301) 530-4800 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O Neill accept in Bethesda, MD?
Dr. O Neill in Bethesda, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Carefirst BlueCross BlueShield
Christian Brothers Services (CBEBT)
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Johns Hopkins
Medicare
MedStar Health
View All Insurances
Where is Dr. O Neill's office located?
Dr. John O Neill's Primary Practice
6410 Rockledge Dr Ste 402
Bethesda, MD 20817
(301) 530-4800
What is Dr. O Neill's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O Neill's National Provider Identifier (NPI) number is 1184635575.
What common questions do patients ask about Dr. O Neill?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O Neill
What is Dr. John O Neill's specialty?
Dr. O Neill is a Dermatologist near Bethesda, MD. 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. O Neill to book an appointment today.
Is this Dr. John O Neill affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O Neill is affiliated with Suburban Hospital 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 O Neill accepting new patients in Bethesda, MD?
Yes, Dr. John O Neill is accepting new patients at this time.
Does Dr. John O Neill offer online booking?
Please contact Dr. O Neill's office at (301) 530-4800 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John O Neill?
Please contact Dr. O Neill's office at (301) 530-4800 for information regarding telehealth appointment availability or for scheduling assistance.
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