
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sweren, Dermatologist in Lutherville, MD?
Clinical practice anchored in treating non-Hodgkin lymphoma, with particular depth in skin light therapy and related techniques, reflects a precision-first approach to dermatological care. Dr. Ronald Sweren MD, a dermatologist in Lutherville, Maryland, brings this expertise to his patients. His clinical focus centers on managing complex skin conditions, including non-Hodgkin lymphoma, moles, and sun damage skin conditions, often utilizing procedures like skin light therapy and light therapy to restore skin health. Specializing in the diagnosis and treatment of various skin-related conditions, Dr. Sweren's practice is built on a foundation of comprehensive care. He is board-certified by the American Board of Dermatology and has completed residency training in dermatology and pediatrics at the University of Maryland Medical System and Sinai Hospital of Baltimore. This diverse training enables him to address a wide range of dermatological needs. Dr. Sweren's patient-centered approach is evident in his acceptance of new patients and his participation with major insurance carriers, including CVS Health (formerly Aetna), Kaiser Permanente, and Medicare. He communicates effectively with his patients in English. As a trusted healthcare resource in Lutherville and surrounding areas, including Baltimore, Dr. Sweren is committed to providing accessible care. His affiliations with top-ranked hospitals like The Johns Hopkins Hospital in Baltimore underscore his expertise and dedication to delivering high-quality patient care.
Where did Dr. Sweren go to medical school and complete their residency?
Residency: Univ Of Md Med Sys, Dermatology; Sinai Hosp Of Baltimore, Pediatrics; Univ Of Md Med Sys, Pediatrics
Medical School: University of Md Sch of Med, Baltimore Md
Is Dr. Sweren board certified as a Dermatologist?
Yes, Dr. Ronald Sweren, MD is board certified by the American Board of Dermatology , American Board of Pediatrics
What languages does Dr. Sweren speak?
Dr. Sweren and their clinical team can communicate with patients in the following languages:
English
What conditions does a Dermatologist like Dr. Sweren typically treat?
As a Dermatologist, Dr. Sweren 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. Sweren. 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:
- Cutaneous T-cell Lymphoma
- Mycosis Fungoides
- Sézary Syndrome
- Lymphoma
- Mycosis fungoides
- Sézary syndrome
- CTCL
- Skin T-cell lymphoma
- Cutaneous T-cell lymphoma
- Alibert-Bazin syndrome
- Sézary Disease
- Non-Hodgkin Lymphoma
- Lymphatic Cancer
ICD-10 Codes:
- C84A8: Cutaneous T-cell lymphoma, unspecified, lymph nodes of multiple sites
- C8400: Mycosis fungoides, unspecified site
- C8419: Sezary disease, extranodal and solid organ sites
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
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
What procedures does a Dermatologist like Dr. Sweren typically perform?
As a Dermatologist, Dr. Sweren 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. Sweren. 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:
- 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
Also known as:
- Ultraviolet Light Therapy
- UV Light Treatment
- Phototherapy
- Actinotherapy
- Light Box Therapy
CPT Codes:
- 96900: Actinotherapy (ultraviolet light)
Also known as:
- Extracorporeal Photopheresis
- ECP Treatment
- Photopheresis Therapy
- Blood Light Treatment
CPT Codes:
- 36522: Photopheresis, extracorporeal
Does Dr. Sweren accept my insurance?
Dr. Sweren accepts most major insurance plans. Important: Please call our office at (410) 955-5933 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sweren accept in Lutherville, MD?
Dr. Sweren in Lutherville, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Kaiser Permanente
Medicare
View All Insurances
Where is Dr. Sweren's office located?
What is Dr. Sweren's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sweren's National Provider Identifier (NPI) number is 1487689287.
What common questions do patients ask about Dr. Sweren?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sweren
What is Dr. Ronald Sweren's specialty?
Dr. Sweren is a Dermatologist near Lutherville, MD.
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 this Dr. Ronald Sweren affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sweren is affiliated with The Johns Hopkins Hospital, Tidalhealth Peninsula Regional, Penn Medicine Lancaster General Hospital 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 Ronald Sweren accepting new patients in Lutherville, MD?
Yes, Dr. Ronald Sweren is accepting new patients at this time.
Does Dr. Ronald Sweren offer online booking?
Please contact Dr. Sweren's office at (410) 955-5933 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ronald Sweren?
Please contact Dr. Sweren's office at (410) 955-5933 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Ronald Sweren have?
Dr. Ronald Sweren is certified by the American Board of Dermatology and American Board of Pediatrics.
Other Dermatologist Near Lutherville, MD
AG
Pediatric Dermatologist
Dr. Anna Grossberg, MD is a Pediatric Dermatologist, who primarily practices in Baltimore, MD with 2 additional practice locations.
Baltimore, MD
CJ
Dermatologist
Dr. Courtney Michele Johnson, MD, PHD is a Dermatologist, who primarily practices in Columbia, MD with 2 additional practice locations.
Columbia, MD

Pediatric Dermatologist
Dr. Bernard Cohen, MD is a Pediatric Dermatologist, who primarily practices in Lutherville, MD with 1 additional practice location. He has been practicing for over 42 years and is board certified.
Lutherville, MD