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About Us
Medical Team

Meet Your Philadelphia Medical Weight Loss Team

Our medical providers are the heart of our clinic. They take the time to hear your concerns and treat you as a person — not a diagnosis. Our physicians have diverse backgrounds/specialties and are dedicated to providing the most up-to-date, high-quality medicine you’ll find anywhere. Take a moment to learn more about our medical team. To schedule a Free Consultation at one of our 4 weight loss centers, give us a call or use our online scheduler.

Dr. Jon Fisher

Bariatric Physician

Dr. Jon Fisher, owner of Dr. Fisher’s Medical Weight Loss & Aesthetic Centers, is a Board Certified Family Physician and a recognized authority on how to lose weight, lower cholesterol and body contouring in a medically supervised environment. He is a member of the American Society of Bariatric Physicians and has been helping Philadelphia residents, lose weight and feel great for over 22 years.  In addition to being known as the Philly Diet Doctor, Dr. Jon Fisher and members of his Aesthetic Medicine team are fully trained and certified in multiple cosmetic procedures. He and his team operate out of 4 locations in the Delaware Valley Region serving patients in Philadelphia, Lower Merion in Montgomery County, Delaware County, Bucks County and South Jersey.

Dr. Alexander Tarnopolsky

Family Medicine Physician

Dr. Alexander Tarnopolsky (Dr. Alex) is a Board Certified Family Medicine Physician , whom had devoted s comprehensive health care program for people of any ages. He has extensive training in Obesity Management and Cosmetic procedures. 

He has been with Dr. Fisher’s Medical Weight Loss & Aesthetics Centers since 2006. He cares for his patients and their struggles with obesity, with deep understanding and compassion. Dr. Alex enjoys spending time with his family, and traveling.

Abigail Bulle, CRNP

Nurse Practitioner

Abigail “Abby” Bulle is a Family Nurse tPractitioner, Board Certified by the American Nurses’ Credentialing Center (ANCC), and licensed in Pennsylvania to provide family care to patients of all ages. Abby received her Bachelor of Science in Nursing from Widener University and completed her Master of Science in Nursing from Drexel University.  Abby has experience and knowledge in various areas of patient care including, Surgical, Orthopedic, Cardio-Thoracic, Neurology, Ear/Nose and Throat as well as Primary Care. Abby strives to provide the best healthcare possible and believes in building long lasting and trusting relationships with patients. Abby joined Dr Fisher’s practice in 2009, where she helps patients achieve and maintain a healthy lifestyle.

Erin Arbosheski, CRNP

Nurse Practitioner

Erin began her nursing career at Gwynedd-Mercy College, graduating in 1998 with her ASN and 2000 with her BSN. In 2004, Erin graduated from Temple University with her MSN as an adult primary care nurse practitioner. While in private practice, she worked in phase 3 clinical trials as both a sub-investigator and clinical coordinator. She coordinated studies ranging from women’s issues such as endometriosis to primary care studies such medical issues as hypertension and hypercholesterolemia. Erin was an adjunct nursing instructor at Drexel University for two years teaching first year and co-op students in the undergraduate program. Erin joined Dr. Jon Fisher’s practice in June 2008. She believes in strong and trusting relationships with her patients. 

Marina Ordiner, MSc, MSN, CRNP

Nurse Practitioner

In 1995 Regina graduated from Seton Hall University located in New Jersey with a BSN, and a minor in psychology. Her first medical role was in Med/ Surg dialysis and the surgical ICU as a Registered Nurse. Regina then went on to further her nursing career at Drexel University, Graduating with her degree as an Acute Care Nurse Practitioner with a Masters in Nursing. Regina then worked at Jefferson Hospital in General and Bariatric Surgery and worked part time for Dr. Fisher’s office from 2010-2012. With 3 young children at home, Regina was a busy stay at home mom from 2012-2016, returning as a CRNP to Dr. Fisher’s office in 2016 to be part of his team.

Regina Gismond, CRNP

Registered Nurse

In 1995 Regina graduated from Seton Hall University located in New Jersey with a BSN, and a minor in psychology. Her first medical role was in Med/ Surg dialysis and the surgical ICU as a Registered Nurse. Regina then went on to further her nursing career at Drexel University, Graduating with her degree as an Acute Care Nurse Practitioner with a Masters in Nursing. Regina then worked at Jefferson Hospital in General and Bariatric Surgery and worked part time for Dr. Fisher’s office from 2010-2012. With 3 young children at home, Regina was a busy stay at home mom from 2012-2016, returning as a CRNP to Dr. Fisher’s office in 2016 to be part of his team.

Leigh Gordon, RN

Nurse Practitioner

Leigh is our Nurse Injector. Graduating from St. Francis Medical Center in 1989 she brings to our practice more than 25 years of nursing experience. Leigh became Certified as a Cosmetic Nurse Injector from National Laser Institute in 2016. Through continued education, Leigh is now certified in laser skin treatments, neuromodulator and dermal filler injections, PDO threads, micro needling, microdermabrasion, DermaPlane, chemical peels and eyelash extensions.  Developing a more youthful, natural looking appearance utilizing a multi-faceted approach to help patients achieve and maintain their cosmetic goals is her passion!

The “Body by Fisher Now” Difference

  • Personalized Program
  • Custom Diet Plan
  • Medication & Injections
  • Tools & Support

    Questions About Dr. Fisher’s Program

    Q. How is Dr. Fisher’s program different than other weight loss plans?

    Dr. Fisher’s weight loss programs have helped thousands of patients reduce their cholesterol and lipid (fat) levels, as well as control and reduce their blood pressure (hypertension). Our program specializes in non-surgical approaches to healthy weight loss. This is achieved via:

    • Suppressing appetites with FDA approved supplements.
    • Increasing your own body’s natural energy and metabolism through meal replacement therapy and weight loss exercise.
    • Vitamin B-12 lipotropic injections.
    • Specially formulated weight loss meals.

    Q. Is the program difficult to follow?

    No. In fact, once you join my program you’ll see how medically supervised weight loss at our centers makes losing weight in Bucks County, Montgomery County, Delaware County, the Main Line, as well as the entire Philadelphia area, including Northeast Philadelphia and South Philly is headache free! We are dedicated entirely to your weight loss needs.

    At our office, we specialize in…

    • Non surgical weight loss
    • Suppressing appetites
    • Increasing your body’s natural energy and metabolism with FDA approved appetite suppressants, pharmaceutical grade HCG.
    • Meal replacements and vitamins.
    • Lipotropic and Diet injections.
    • Metabolic testing and exercise.

    Q. How long do I have to stay on the program and what is the price?

    The length of time you stay on the weight loss program depends on how much weight you need to lose, and how your body responds to the program. Dr. Fisher’s goal is to help you get to your goal weight as soon as possible so that we can help you maintain a healthy weight for the rest of your life. Dr. Fisher’s programs are very comprehensive, including behavior modification as well as exercise recommendations created to help you achieve ongoing success. Dr. Fisher offers a “Pre-pay & Save” monthly payment option as well as a $99 “Pay As You Go” plan. 

    Q. Is there a separate fee to use the EZDietPlanner & Fitness Tracker™ app?

    No. When you join Dr. Fisher’s Medical Weight Loss Program, you’ll be given FREE access to the EZDietPlanner & Fitness Tracker™ app. More than just a weight loss calculator or calorie counter, this handy weight loss tool allows you to easily follow the calorie specific meal plan and activity schedule Dr. Fisher prescribes for you right from your computer, phone or tablet! Most of the big online weight loss companies charge a monthly fee for this service but at Dr. Fisher’s offices, the EZDietPlanner & Fitness Tracker™ is FREE for as long as you are a patient in his medical weight loss program!

    Q. Is the program safe for diabetics?

    Diabetic patients following Dr. Fisher’s Program have actually reduced the use of their insulin and oral diabetic medications, while maintaining a better control of their blood sugars.

    Q. Is there a benefits of losing weight for people with arthritis or joint problems?

    Patients with arthritis and joint/muscular problems have significantly reduced the pain to their affected regions with their weight loss.

    It’s Not a Diet, It’s a Way of Life

    See Our Success Stories*

    Weight Loss Docs
    *The results described in these testimonials may not be typical. Individual results may vary. The testimonials are for illustrative purposes only and are meant to showcase some of the results Dr. Fisher’s Medical Weight Loss & Aesthetic Centers have produced.

    What Our Patients Say

    • I love this diet plan! Yes I’ve lost over 25lbs, more important I’m off the 30mg of high blood pressure meds! Praise Allah!
      Karen B.
    • Dr. Fisher is absolutely awesome, very knowledgeable about his craft. Takes the time to review your options.
      Scott C.
    • Dr. fisher is the best! I’ve started this weight loss journey 3 months ago. And I am extremely happy with my results. I’ve lost 30 pounds!
      Steph I.
      Our Locations
      • Feasterville Office
        157-161 Bustleton Pike
        Feasterville, PA 19053
        (215) 987-4315
      • Tabor Office
        6248 Tabor Avenue
        Philadelphia, PA 19111
        (215) 642-8243
      • City Line Office
        7516 City Avenue, Ste. 11-12
        Philadelphia, PA 19151
        (215) 261-7462
      • S. Philadelphia Office
        2543 S. Broad Street
        Philadelphia, PA 19148
        (215) 337-4967
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