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

Board Certified Providers

Our physicians and nurse practitioners 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 ]


Our gynecologist sees patients for a variety of concerns, including in-office evaluation and treatment of abnormal pap smears, heavy or irregular bleeding, pelvic pain and sexual dysfunction. [ Learn more ]

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.”

Dr. Maria Mazzotti (pictured front, far left) Board Certified Internist, who trained at Philadelphia College of Osteopathic Medicine, 
Dr. Jillan Rowbotham (pictured front, left), Board Certified Internist, who trained at Main Line Health’s Lankaneu Hospital, Dr. Lauren O'Brien (pictured front, right), Board Certified Physician who trained at Lankenau Hospital, Dr. Monica Duvall (pictured front, far right), Board Certified Physician, who trained at Penn Medicine's Hospital of the University of Pennsylvania, Catherine McGintry (pictured back, left), Board Certified Nurse Practioner, who studied at Villanova University, Allison Andrews, Board Certified Nurse Practioner (pictured back, middle), who studied at Thomas Jefferson University and Drexel University. 

Rittenhouse Internal Medicine™ offers the best in medical care with conveniently located in Center City Philadelphia .

Dr. Maria Mazzotti (pictured front, far left) is a board certified physician at Rittenhouse Internal Medicine™ of Philadelphia. Dr. Mazzotti focuses on family medicine, women's health,and community health. [ Learn more about Dr. Mazzotti ]

Dr. Jillan  Rowbotham (pictured front, left) 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. Lauren O'Brien  (pictured front, right) is a board certified physician at Rittenhouse Internal Medicine™of Philadelphia. Dr. O'Brien focuses on women's health and dermatological procedures [ Learn more about Dr. O'Brien ].

Dr. Monica Duvall pictured front, far right) is a board certified family medicine physician at Rittenhouse Internal Medicine™ of Philadelphia. Dr. Monica Duvall focuses on women’s health as well as family medicine. [ Learn more about Dr. Duvall ]

Allison Andrews (pictured back, middle) is a board certified nurse practioner at Rittenhouse Internal Medicine™ of Philadelphia. Allison Andrews focuses on women's health. [Learn More about Allison Andrews, NP]

Catherine McGinty (pictured back, right) is a board certified nurse practioner  at 
Rittenhouse Internal Medicine™ of Philadelphia. Catherine McGinty focuses on adult primary care with a strong interest in women’s medicine. [Learn More about Catherine McGinty, NP]

Dr. Rupa Natarajan (not pictured) is a board certified family medicine physician at Rittenhouse Internal Medicine™ of Philadelphia and is accepting new patients as of August 2018. Her professional interests include community health and women’s health. [Learn More about Dr. Natarajan]

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

Electronic Forms
Spend less time in the waiting room by submitting your Registration and Medical History forms at home, before your visit. Request your username and password at This email address is being protected from spambots. You need JavaScript enabled to view it.


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