Meet Our Physician Assistants


The Accomplished and Experienced Hudson Dermatology Team Offers a Wide Range of Skin-Focused Services in NY

Karl Kruszynski, PA-C

KARL KRUSZYNSKI, PA-C

Karl Kruszynski, a certified physician assistant, joined Hudson Dermatology in July 2014. He sees patients in our Kingston and Poughkeepsie offices.

Mr. Kruszynski studied and practiced dermatology for seven years under Dr. Marie-Louise Johnson as a physician assistant at Dermatology Services of Kingston and as a fellow at the Institute for Family Health in Kingston. Before that, he worked as a physician assistant for more than three years at Hudson Valley Urology.

Mr. Kruszynski received his master of health science and his physician assistant training at Duke University in North Carolina. He received his undergraduate degree at Indiana University in Bloomington, Indiana.

Isaac R. Rosenblum, PA-C

Isaac Rosenblum, P.A.-C.

Isaac Rosenblum is a certified physician assistant who worked in neurovascular surgery, urgent care, family medicine, and internal medicine before coming to Hudson Dermatology in early 2016.

Mr. Rosenblum graduated with the highest honors from the physician assistant program at Miami Dade College in Florida in 2014.

He came to medicine by an unusual route: He first earned a law degree from the University of Miami and practiced as a lawyer for four years. While practicing law, Mr. Rosenblum also trained to be an emergency medical technician and decided that medical work was his calling.

His particular areas of interest include complex skin diseases, eczema and psoriasis, skin cancer screenings, and excisional surgery of both benign and malignant lesions. He was featured in the Hudson Valley Magazine article “Summer Skincare Tips You Need for a Healthy Season”. He’s also been published in the Journal of Cutaneous Pathology.

When he’s not at work, he can be found hiking the Hudson Valley or rock climbing at the world-famous Gunks.

Olga Kandratsenia Gaskins, PA-C

OLGA KANDRATSENIA GASKINS, PA-C

Olga Kandratsenia Gaskins is a certified physician assistant who practices medical, surgical, and cosmetic dermatology. Ms. Gaskins started her journey as a dermatology PA-C in 2014 at the University of Pittsburgh Medical Center and continued caring for patients at Keller Army Community Hospital at West Point.

Ms. Gaskins has mentored physician assistant students throughout her career, and during her free time teaches at the Marist College Physician Assistant Program.

She graduated with a bachelor’s degree from Valdosta State University and completed her master of science in physician assistant studies at the University of Pittsburgh.

Olga Gaskins is a diplomat fellow of the Society of Dermatology Physician Assistants (SDPA) as well as an active member of the American Academy of PAs (AAPA).

Erica Scarrone, PA-C

Erica Scarrone, PA-C

Erica Scarrone is a physician assistant and has specialized in dermatology since 2010. She practiced pediatric dermatology for more than seven years in Brooklyn, NY before joining Hudson Dermatology in 2019.

Erica received her master of medical science degree in 2009 from the Physician Associate Program at Yale University. During her clinical year at Yale, Erica piloted an international PA student program in Madrid, Spain. She is proficient in medical Spanish and treats many of our Spanish-speaking patients in Tarrytown and Somers. She earned her undergraduate degree from Boston University.

Erica is a diplomat of the Society of Dermatology Physician Assistants and has been published in the Journal of the American Academy of Physician Assistants.

Erica is passionate about all aspects of dermatology but takes a particular interest in treating skin conditions in children and adolescents. She was raised in Fishkill, NY, and currently lives in Westchester County with her husband and three children.

Abigail Brenkach, PA-C

ABIGAIL BRENKACH, PA-C

Abigail Brenkach is a certified physician assistant who has been practicing dermatology since 2015. She practices adolescent and adult medical dermatology in our Kingston and Hudson offices and has an interest in skin cancer prevention. She is also a specialist in cosmetic dermatology.

Ms. Brenkach graduated from Kings College with a master’s degree in physician assistant studies and completed a three-year fellowship through the Institute for Family Health under the tutelage of Dr. Marie-Louise Johnson. She joined Hudson Dermatology in the summer of 2020.

Ms. Brenkach received her cosmetic certification through Aesthetic Medical Educators Training and is a member of the Society of Dermatology Physician Assistants. She is from the Kingston area, where she attended Coleman High School. Ms. Brenkach received her bachelor’s degree from Emmanuel College in Boston and played four years of collegiate basketball there. She received the Emmanuel College Scholar-Athlete Award.

Courtney Emerson, PA-C

COURTNEY EMERSON, PA-C

Courtney Emerson, a certified physician assistant, joins Hudson Dermatology after more than eight years at Caremount Medical. She sees patients in our Kingston and Hudson offices.

Mrs. Emerson practices adult and pediatric medical dermatology and has trained in medical and cosmetic laser treatments. She decided to become a physician assistant after spending a year as a medical assistant, then graduated from Mercy College with a master’s degree in physician assistant studies in 2012. Afterward, she traveled on a medical mission to Africa, serving in the only hospital in Bamako, the capital of Mali.

Mrs. Emerson is a member of the Society of Dermatology Physician Assistants and the American Academy of Physician Assistants. She received her bachelor’s degree from Eastern Connecticut State University and played NCAA collegiate volleyball. She enjoys working out on a Peloton, has played softball since age 4, and is the mother of two toddler boys.

Lubna Latif, PA-C

Lubna Latif

Lubna Latif is a certified physician assistant serving patients in our Poughkeepsie and Kingston offices. She joined Hudson Dermatology in March 2021.

Her love for dermatology sparked after working as a dermatology medical assistant. Having earned her bachelor’s degree from Fairfield University, she went on to complete her master of science in physician assistant studies at Sacred Heart University in Connecticut in 2018. She has been practicing dermatology exclusively since completing her program, with special interests in skin cancer management and patient education.

Ms. Latif has published in the Journal of the American Academy of Physician Assistants and completed her graduate thesis on the use of pulsed dye lasers for the treatment of port wine stains. She is a member of the Society of Dermatology Physician Assistants.

Corinne Reilly, PA-C

CORINNE REILLY, PA-C

Corinne Reilly joined Hudson Dermatology in April 2021 after almost four years at Caremount Medical. She is a certified physician assistant and sees adult and pediatric patients in our Fishkill office.

Ms. Reilly diagnoses and treats skin, hair, and nail conditions, including acne, psoriasis, eczema, and hyperhidrosis, and has a particular interest in acne and early skin cancer detection. She has also trained in medical and cosmetic laser treatments.

She developed a passion for dermatology after suffering from cystic acne as a teenager. Before practicing dermatology, she worked for four years in oncology and hematology, which helped her develop a warm and compassionate nature with patients.

She graduated summa cum laude from Marist College in 2010 and graduated with a master’s degree in physician assistant studies from the New York Institute of Technology in 2013.

Larissa Rutter, PA-C

Larissa Rutter P.A.-C.

Larissa Rutter is a certified physician assistant serving patients in both our Hudson and Kingston offices. She comes to Hudson Dermatology with over nine years of dermatology experience. She practiced for five years with the Department of Dermatology at Geisinger Medical Center in Danville, PA, where she was awarded a Top Provider, and spent several years in private practice in New York before joining HD.

Larissa practices adult and pediatric medical dermatology. She is trained in all areas of dermatology including the diagnosis and treatment of various skin disorders such as acne, rosacea, psoriasis, eczema, and skin cancer. She has a particular interest in acne and rosacea and is also trained in cosmetic procedures such as Botox/Xeomin/Dysport injections. She earned a Master of Health Science degree in Physician Assistant Studies from Lock Haven University of Pennsylvania in 2013 where she graduated with highest honors. Larissa additionally holds a Masters in Public Health from Drexel University in Philadelphia, PA. She completed her undergraduate degree at the University of Delaware.

Larissa is a member of the Society of Dermatology Physician Assistants, the American Academy of Physician Assistants, and the Society for Pediatric Dermatology. Larissa is a Hudson Valley native and lives in Rhinebeck with her husband and four young sons.

Carolyn Baker, PA-C

Carolyn Baker PA-C

Carolyn Baker, PA-C joins Hudson Dermatology to provide surgical, cosmetic, and general dermatology care to patients in our Poughkeepsie, Kingston, and Hudson offices.

Ms. Baker graduated with honors from Colgate University in 2005, where she was inducted into the TriBeta biological honor society and received a degree in biology and Spanish. She then completed her Master’s in Physician Assistant Studies at Thomas Jefferson University in Philadelphia, graduating with the highest honors. During the clinical portion of her medical education, Ms. Baker trained with the plastic surgery department at Westchester Medical Center in Valhalla, NY.

Ms. Baker began her PA career in 2008, practicing plastic and reconstructive surgery, and transitioned to medical/surgical/cosmetic dermatology practice in 2016. With Hudson Dermatology, she focuses on non-Mohs skin cancer surgery and the surgical treatment of benign and pre-malignant lesions. She also sees patients with cosmetic and medical dermatology concerns and looks forward to continuing to serve patients in her native Hudson Valley.

Adam Payne, PA-C

ADAM PAYNE, PA-C

Adam Payne joined Hudson Dermatology after practicing dermatology in California for 12 years. Mr. Payne graduated from California Polytechnic University with a bachelor of science in 2006. He earned his master of physician assistant studies at Samuel Merritt University in Oakland, Calif., in 2009.

Before becoming a physician assistant, Mr. Payne spent eight years working close to dermatologists as a Mohs histotechnician supervisor; he assisted Mohs micrographic surgeons in skin cancer removal by preparing and preserving tissue samples for analysis. He is trained in all aspects of patient care, including the diagnosis and treatment of various skin disorders such as acne, eczema, psoriasis, and rosacea; skin cancer diagnosis and treatment; mole evaluation; and melanoma screening. He is proficient in surgical removal of skin cancer and moles, skin biopsy, and a variety of cosmetic services, including laser, BOTOX®, and dermal fillers.

CONTACT US TODAY

Contact the Hudson Dermatology team now to set up a consultation with any of our physician assistants in NY. Dutchess, Westchester, Columbia, Ulster, Putnam, Rockland, and Orange County residents can schedule an appointment via our online scheduler.

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