• We have partnered with Pequest Family Practice!
    500 Greenwich Street in Belvidere
    Added Services:
    Home Visits
    Joint Aspiration/Injections
    GYN exams
    Walk-In's welcome!

Internal Medicine & Pediatrics

Serving Northwest New Jersey

We provide comprehensive patient-centered care to families in Northwest New Jersey. At our practice, we not only take a whole-person, but a whole-family approach to healthcare, offering patients of all ages individualized care and treating them with respect and dignity.

Here, an appointment means adequate time spent listening to your concerns, a multidimensional treatment plan, and careful consideration of your needs. We encourage our patients to take an active role in their care, empowering them to take control of their well-being.

Our focus is on fostering lasting relationships with patients and their families and providing treatments that sustain and improve long-term health.


pcp logo

Hours of Operation

Our Regular Schedule


9:00 am-7:00 pm


8:30 am-7:00 pm


9:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-4:00 pm


8:00 am-2:30 pm



Our Location

Find us on the map

Meet Our Staff

Learn Who We Are

  • Jeffery Merkle, MD

    Trained and educated in both internal medicine and pediatrics, Dr. Merkle received his degree form Robert Wood Johnson Medical School and completed his residency at Brown University, where he co-shared duties as chief resident.

    He provides specialized care that combines extensive training in modern medicine with a personalized, hands-on approach. He is dedicated to the community and excels at taking care of patients of all ages. He lives in Warren county with his wife and two children.

  • Dr.
    Beth Myler, FNP-C, IBCLC

    Beth is a family nurse practitioner and International Board Certified Lactation Consultant. She earned her bachelor's degree in nursing from Johns Hopkins University and her master's degree in nursing from Georgetown University. She is the clinical director of lactation services for our practice and has owned and operated Mahala Lactation since 2010. Beth's strengths lie in addressing her patients' acute and health maintenance needs with warmth and compassion as a truly accessible HCP.

  • Donna Ryan, MHS, PA-C

    Donna completed her undergrad studies at Penn State University and received her master’s degree in Physician Assistant Studies from Drexel University. She has spent the past decade working in infectious disease and internal medicine. She has experience in both inpatient and outpatient settings, treating acute and chronic conditions.

    Donna lives in Morris county with her husband and two children. She enjoys running.

  • Tara Olivo-Moore, MSN, FNP-C

    Tara is a family nurse practitioner with several years of experience as an emergency nurse. She earned her bachelor's degree in nursing from UMDNJ (now Rutgers), and her master's degree in nursing from William Paterson University. Before becoming a nurse, Tara studied history and worked in fundraising. Originally from Toronto, Tara lives with her husband and two children in Morris Township, New Jersey.

  • Kathy Garriques, MS, RDN, CSG

    Kathy is a Registered Dietician with over 25 years of experience caring for patients of all ages, helping them lose weight and improve or maintain their health. She is passionate about providing results-driven, solutions with attainable goals, through both individual sessions and nutritional education classes for various community groups.


What Our Clients Say About Us

  • "Coming Soon!"
  • "Coming Soon!"

Featured Articles

Read about helpful topics

  • Vaccinations and Preventive Measures

    Vaccinations are a crucial part of preventive healthcare. They work by preparing the body’s immune system to fight off potential infections. During an annual checkup, your healthcare provider will review your vaccination history and recommend any necessary updates. Understanding the Importance of Vaccinations Vaccinations ...

    Read More
  • Physical Exam

    The Role of Physical Exams Physical exams are a cornerstone of an annual checkup. They provide a hands-on evaluation of an individual’s health, allowing healthcare providers to assess various aspects of physical well-being. These exams can detect potential health issues that may not be evident through ...

    Read More
  • Personalized Health Goals

    The Value of Setting Health Goals Health goals are a vital part of maintaining and improving overall well-being. They provide a roadmap for individuals to follow, guiding their health-related decisions and behaviors. During an annual checkup, discussing these goals with a healthcare provider can offer ...

    Read More
  • Discussing Mental Health

    The Importance of Addressing Mental Health Mental health is an integral part of overall well-being. It influences how we think, feel, and act. It also affects how we handle stress, relate to others, and make choices. Despite its significance, mental health often takes a backseat during annual checkups. ...

    Read More
  • The Importance of Regular Blood Work

    Blood work is a critical component of an annual checkup. It provides a comprehensive overview of a person’s health status. Blood tests can detect potential health issues early, allowing for timely intervention and treatment. They can reveal vital information about the functioning of major bodily systems ...

    Read More
  • Obesity

    Overview Defining Obesity: Obesity is not just a matter of excess weight; it's a medical condition characterized by the accumulation of body fat to the extent that it poses health risks. Body Mass Index (BMI) is a commonly used tool to classify obesity, with a BMI of 30 or higher indicating obesity. Global ...

    Read More
  • Annual Checkups

    Why Annual Checkups Matter So, let's cut to the chase – why bother with an annual checkup? Well, think of it as your health's yearly tune-up. These visits are not just about fixing what's broken but ensuring everything runs smoothly in the first place. Prevention is the name of the game, and annual ...

    Read More
  • Arthritis

    Arthritis can affect individuals of all ages, genders, and backgrounds. While the exact causes vary depending on the type of arthritis, common factors include genetics, age, joint injuries, and autoimmune disorders. Osteoarthritis, for instance, often develops due to the wear and tear of joint cartilage ...

    Read More
  • Asthma

    Your respiratory system is one of the most complicated parts of your body. There are many diseases and conditions that can afflict various parts of this system, including asthma. Asthma is an extremely common condition, and it can happen for a variety of reasons. If you've ever experienced trouble breathing, ...

    Read More
  • Asthma Attack

    Experiencing an asthma attack can be scary, but if you know how to handle an asthma attack, you can learn to make it more manageable. However, if you are experiencing a severe asthma attack, you may need to seek medical attention immediately. Avoiding an attack With your doctor, you can figure out a ...

    Read More