Our practice is devoted exclusively to the health care of women. Our female board certified physicians, provide primary care, routine gynecology, rheumatology and medical & aesthetic skin care for women of all ages.[ Learn more ]

Board Certified Physicians

Our physicians and women’s health nurse practitioner are board certified and provide personalized, comprehensive medical care with a focus on prevention and early detection of disease, women’s health and personalized, state-of-the-art care for our patients.[ Learn more ]

Routine Gynecology

Our physicians and nurse practitioner offer routine gynecology services and if necessary, arrange the coordinated specialist care. [ Learn more ]

The Value of Membership

We have taken positive steps to preserve, and enhance the nature of primary care. Members receive the benefits of enhanced services not covered by insurance plus their choice of one of our healthy benefits, as well as discounts on injectables and more[ Learn more ]

Medical and Aesthetic Skin Care

Our Skin Care team includes our physicians as well as certified aestheticians. Our physicians provide medical skin care and our team performs the latest in non-invasive aesthetic skin care treatments. [ Learn more ]

Wellness Services

The Rittenhouse Women’s Wellness Center provides Nutrition counseling, Fitness and Emotional Well-Being for women, and with our physicians can provide an integrated approach to health and well-being. [ Learn more ]

Major PPO & HMO Plans accepted

Internal Medicine, Nutrition & Psychology are usually covered by your insurance plan. [ Learn more ]

“We want to give to our patients the same things we want as a patient. This means pairing current, evidence-based medicine with our overarching philosophy that many factors influence health, including nutrition, emotional well-being, and physical fitness. Since we believe healthcare providers and patients function best as a team, we strive to get to know our patients — and to be there for them.”


Drs squareLARGE 3.4.152Dr. Stephanie McKnight (pictured front, left) a board certified physician and Medical Director, trained at Lancaster General Hospital, Dr. Jillan Rowbotham (pictured back, far right), Board Certified Internist, who trained at Main Line Health’s Lankaneu Hospital, Dr. Monica Duvall (pictured front, far right), Board Certified Physician, who trained at Penn Medicine's Hospital of the University of Pennsylvania, Dr. Linda Bullock (pictured front, right) Board Certified Internist, who trained at Main Line Health’s Lankenau Hospital, Dr. Jean Haab (pictured front, far left) Board Certified Physician, who trained at Thomas Jefferson University Hospital, Dr. Maria Mazzotti (pictured back, left) Board Certified Internist, who trained at Philadelphia College of Osteopathic Medicine, Dr. Lauren O'Brien (pictured back, far left), Board Certified Physician, who trained at York Hospital and Dr. Manijeh Bahremand (pictured back, right), Board Certified Physician who trained at Lankenau Hospital.

Rittenhouse Internal Medicine™ offers the best in medical care with two convenient locations in Philadelphia and on the Main Line. Our Main Line office proudly serves: Ardmore, Bala Cynwyd, Bryn Mawr, Devon, Gladwyne, Haverford, Malvern, Merion, Narberth, Paoli, Radnor, Villanova, Wayne and Wynnewood.

 Dr. Stephanie McKnight  (pictured front, left) is currently accepting new patients at Rittenhouse Internal Medicine™. Dr. McKnight focuses on women’s health, joint injections, weight loss medicine and dermatology  [Learn more about Dr. McKnight]. 

Dr. Jillan  Rowbotham (pictured back, far right) is a board certified internist, at Rittenhouse Internal Medicine™ of Philadelphia. Dr.  Rowbotham focuses on adult primary care, with a strong interest in women’s medicine. [ Learn more about Dr.  Rowbotham ]

Dr. Monica Duvall (pictured front, far right) is board certified in family medicine and is currently accepting new patients at Rittenhouse Internal Medicine™ of Philadelphia. Dr. Monica Duvall focuses on women’s health as well as family medicine. [Learn more about Dr. Duvall]

Dr. Linda Bullock (pictured front, right) is a board certified internist and is currently accepting new patients at Rittenhouse Internal Medicine™: Main Line. Dr. Linda Bullock focuses on women’s health issues and geriatrics. [Learn more about Dr. Bullock]

Dr. Jean Haab (pictured front, far left) is a board certified physician at Rittenhouse Internal Medicine™: Main Line. Dr. Jean Haab focuses on women's health, preventive care and patient education. [Learn more about Dr. Haab]

Dr. Maria Mazzotti (pictured back, left) is a board certified physician and is currently accepting new patients at Rittenhouse Internal Medicine™ :  Rittenhouse Square location.. Dr. Mazzotti focuses on family medicine, women's health,and community health. [Learn more about Dr. Mazzotti]

Dr. Lauren O'Brien  (pictured back, far left) is a board certified physician and is currently accepting new patients at Rittenhouse Internal Medicine™: Rittenhouse Square location. Dr. O'Brien focuses on women's health and dermatological procedures [Learn more about Dr. O'Brien].

Dr. Manijeh Bahremand (pictured back, right) is a board certified physician and is currently accepting new patients at Rittenhouse Internal Medicine™Rittenhouse Square and Main Line locations. Dr. Bahremand focuses on women's health as well as rheumatology services. [Learn More about Dr. Bahremand]

Rittenhouse Internal Medicine™ provides personalized, comprehensive medical care with a focus on:

  • Prevention and early detection of disease
  • Women’s health including routine gynecologic care
  • Personalized, state-of-the-art care for chronic illnesses
  • Medical Skin Care Services
  • Travel Medicine

Our practice is the foundation of the Rittenhouse Women’s Total Wellness Package and Weight Management Package. As your healthcare provider, they will be the first contact for all of your medical needs.

NCQARittenhouse Internal Medicine™ has received the highest recognition from the National Center for Quality Assurance (NCQA). What this means for our patients


Best of Main Line 2014 logoThank you for voting Rittenhouse Women's Wellness Center Best Women's Health Care on the Main Line

Electronic Forms
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