About Us


264 North Pleasant St.

Amherst, MA 01002

phone: 413-253-2214

email: info@amherstlaser.com












Call our friendly staff to learn more about any of our services, or schedule a complimentary consultation with one of our providers. We look forward to hearing from you!




Anastasia Agnos, LMA

Anastasia Agnos, Licensed Medical Aesthetician, helps her clients reveal their natural beauty by creating a regime that enhances the biological functions of their skin and its long-term beauty and health.

An educator in the master’s program at The New England Center for Esthetic Education, she has lectured in the theory, science and the techniques of skin care. She is licensed in medical grade chemical peels, microdermabrasion, specialty facials, and all areas of waxing.

Mai Pha, NP

Mai Pha NP, joined Amherst Laser & Skin Care Center this past May. We are delighted to have her passion and experience on our team and delighted to introduce her to you.


Graduating Cum Laude in Nursing, Mai received her Bachelor of Science from Fitchburg State University.  She earned her Masters of Science in Nursing at Simmons College through the Family Nurse Practitioner Program.


Mai started her career at Leominster Hospital as a member of the cardiac telemetry nursing team.  She has extensive experience in acute- and intensive-care patient settings and the treatment of cardiac and peripheral vascular diseases as a member of the Cardiovascular Unit at Brigham and Women’s Hospital. During her clinical rotation at Brigham, Mai discovered a passion for Dermatology and skin care in their Dermatology Clinical Department. She gained experience in the formulation and treatment plans for acute and chronic diseases of the skin such as eczema, acne, rosacea, dermatitis and fungal infections.  


Mai has also dedicated her skills to Lowell’s Community Health Centers in Family Care as well as Obstetrics & Women’s Health specialties.  She has managed acute and chronic illnesses, provided prenatal and postnatal care and routine gynecological exams for low-income minority women and refugees. Mai is certified as a Family Nurse Practitioner by the American Nurses Credentialing Center and is a member of the Massachusetts Nursing Association.

Bob Weitzman, MD


Dr. Weitzman has been a physician in the Pioneer Valley for over 25 years. After graduating from Albany Medical College he worked as an Emergency Room physician. He then completed his residency and is board certified in the specialty of family medicine. In 1987, Dr. Weitzman, along with his brother Peter Weitzman, and Allan Baustin joined to form Hadley Family Practice, where he continues to provide primary care.

In 2003 his interest in aesthetic medicine led him to open Amherst Laser & Skin Care Center, where he serves as the medical director. He has extensive experience in cutaneous laser treatments as well as dermal fillers and Botox Cosmetic. He is among the most experienced physicians in Massachusetts using SmartLIPO for laser body sculpting.

He holds academic positions at Tufts University of Medicine and UMass Medical School.  He is a fellow of the American Society of Laser Medicine and Surgery.


Jessica Dacus, DO

While DOs and MDs medical school curricula and practicing certification are virtually identical, osteopathic medicine is a parallel branch of American medicine with a distinct philosophy and approach to patient care. DOs practice a "whole person" approach to medicine; instead of just treating a patient for a specific symptom, they regard your body as an integrated whole. Dr. Jessica Dacus applies this method to the development of skincare treatments and protocols to achieve the healthiest skin for her clients.


Graduating Cum Laude with a Bachelor of Science from NYU and a concentration in physical therapy, she applied a patient-centered approach to her treatments, developing panoptic therapeutic programs to help patients achieve their optimal level of function. Dr. Dacus went on to receive her medical degree from the University of New England and completed her residency in Family Medicine at the University of Massachusetts Worcester. She is board certified by the American Board of Family Medicine. 


Dr. Dacus gravitated towards aesthetic skin care as she could take on a holistic approach, emphasizing the concept of creating and maintaining healthy life style choices to support skin, as opposed to just treating the defects of damaged skin.


Dr. Dacus has a keen ability to help people achieve the natural looks they hope for.

Jessica personally tailors every treatment and is known for her artistic eye and superior skills. She thoroughly enjoys working with patients and is proud to be part of the Amherst Laser team.



Emily Marsters, MD


Dr. Marsters brings to Amherst Laser a record of exceptional leadership and a strategic vision within community hospitals and healthcare systems. Specializing in Family Medicine, Dr. Marsters has dedicated her skills to Open-Door Medical Clinics, foreign medical relief, and volunteering in her community. She has also provided her skills as a Municipal Sports Doctor during public race events and local school games.


Emily received her Bachelors of Science at Bates College in Maine, graduating Magna Cum Laude in Neuroscience and received a Sigma Xi award in the Scientific Research Society. She then moved to Massachusetts and received her MD from the University of Massachusetts, Worcester. She completed her residency as a Family Medicine Physician at the University of Virginia.  She has held various leadership positions at the University of Virginia Health System as well as conducted workshops in Family Medicine clinical skills. Her collaborative research with Haematopoietic stem cells and bone marrow engraftment was published in the 2009 edition of ‘Nature’. 



Questions? Lets Talk
Amherst Laser & Skin Care Center

264 North Pleasant St.
Amherst, MA 01035
Tel:  413-253-2214
Fax: 413-253-2216