Meet the Staff
Dr. Seth Kates and Dr. David Simkin have brought together a team of educated, experienced, and gifted individuals at Worcester Dermatology Associates and Chelmsford Dermatology. To learn more about the doctors and their exceptional staff, request a cosmetic consultation online or call us at 508-754-3823 in Worcester or 978-256-4151 in Chelmsford.
Stephanie Goodrich, P.A.
Stephanie graduated from Boston University with a Bachelor of Science in Health Sciences. She then attended DeSales University where she was awarded a Master of Science in Physician Assistant Studies.
She has been a practicing Physician Assistant in dermatology since 2002 and with our dermatology practice in Worcester, MA since 2005. Her outside interests include running, cooking, and scrapbooking.
Professional Licensure and Certification
- Physician Assistant-Certified (State of Massachusetts and Rhode Island)
- National Commission of Certification of Physician Assistants
Professional Affiliations
- Society of Dermatology Physician Assistants
- American Academy of Physician Assistants
- Massachusetts Association of Physician Assistants
- Rhode Island Academy of Physician Assistants
Honors
- Dean's List, DeSales University
Blair Maerowitz, P.A.
Blair Maerowitz is a graduate of Duke University's Physician Assistant Program. He has practiced for 6 years in Dermatology and 1 year in Family Medicine. Prior to his work as a PA, he was an acupuncturist and served the HIV+ community in the Boston area.
When not at work, he enjoys spending time in the woods near his home in Leverett, MA with his wife Rosie and children Solomon and Amelia. His hobbies include gathering wild edible mushrooms and gardening.
Professional Licensure and Certification
- Physician Assistant-Certified (State of Massachusetts)
- National Commission of Certification of Physician Assistants
Professional Affiliations
- Society of Dermatology Physician Assistants
- American Academy of Physician Assistants
Kathy Rose, P.A.
Kathy graduated from Bates College with a Bachelor of Science in Biology. She then attended the physician assistant program at Northeastern University where she was awarded a Master of Health Professions.
She has been a practicing Physician Assistant since 1989 and practicing dermatology since 1996. Kathy joined Worcester Dermatology Associates, P.C. in 2000 when the practice opened. Her personal interests include Native American Ceremonies and holistic healing.
Professional Licensure and Certification
- Physician Assistant-Certified
- Advanced Cardiac Life Support-Certified
- American Academy of Physician Assistants-Fellow
Professional Affiliations
- Society of Dermatology Physician Assistants
- American Academy of Physician Assistants
Heather Olivieri, P.A.
Heather graduated cum laude from UMass Amherst with a Bachelor of Science in Biology. She then attended Massachusetts College of Pharmacy and Health Sciences where she was awarded a Master of Science in Physician Assistant Studies.
She has been a practicing Physician Assistant in dermatology since 2003 and with Chelmsford Dermatology since 2004. Her hobbies include dancing and scrapbooking.
Professional Licensure and Certification
- Physician Assistant Certified
- National Commission of Certification of Physician Assistants
Professional Affiliations
- Society of Dermatology Physician Assistants
Other
- Yearly dermatology lecturer for Physician Assistant students at Massachusetts College of Pharmacy and Health Sciences
- Lecturer for Massachusetts Association of Physician Assistants
- Published in the Journal of Dermatology Physician Assistants
- Editor for the Comprehensive Review Notes in Dermatology
Yelena G. Kisel, Nurse Practitioner
The newest member of the Chelmsford Dermatology team is Yelena G. Kisel, FNP-BC, BSN, who recently joined the staff as a Nurse Practitioner. Yelena earned her degree as a Nurse Practitioner from the University of Massachusetts, Lowell in May of 2009. Prior to completing her recent degree, Yelena had over 9 years of nursing experience with 7 years in dermatology, as an RN in private practice in Salem, MA. She is being trained closely with Dr. Seth Kates and Dr. David Simkin. Yelena specializes in general dermatology including the diagnosis and treatment of dermatological conditions such as eczema, acne, psoriasis, warts, moles and skin cancer screening.
Professional Licensure and Certification
- Family Nurse Practitioner-Certified, 2009
- Advanced Cardiac Life Support-Certified
- Salem State College School of Nursing-Registered Nurse, 2000
Professional Affiliations
- Dermatology Nurses Association
- American Academy of Nurse Practitioners
JoAnn Spencer, Provider
JoAnn has been enjoying a career in Nursing since 1976. She has brought her experience in medical, surgical, pediatric and community nursing to Chelmsford and Worcester Dermatology.
During the past ten years, JoAnn has worked with Dr. Seth Kates assisting with dermatological surgeries in both offices and is involved in coordinating the aesthetic services offered at both locations. She performs chemical peels as well as laser procedures and has been active with the Allergan Aesthetic Consultants Exchange program as well as the Facial aesthetics program.
Professional Licensure and Certification
- Tewksbury Hospital School of Nursing—Licensed Practical Nurse, 1976.
- Middlesex at Lowell General Hospital School of Nursing Associates-Registered Nurse, 1985.




