Welcome to Lawrenceville Internal Medicine

We are a decidedly different kind of primary care practice. From our inception we have been committed to offering patients an opportunity to be heard and involved with their care. We pride ourselves on taking the extra time needed to truly understand our patients and their concerns. We believe in the sanctity of the doctor-patient relationship and hope to restore your belief that high quality medical care is founded in this important relationship. We have united the traditional ideals of practicing medicine to the future of medicine. We were among the first practices to adopt an electronic health record to track your medical history. We utilize an integrated and secure patient portal to enhance communication with our patients. Most importantly, we practice evidence-driven medicine. That is, we base medical decisions on the most current medical literature.


We believe that the marriage between “old-fashioned” values and modern medical decision-making defines who we are as practitioners. We sincerely hope you give us an opportunity to provide your primary care.
Kimberly Osias, MD

Kimberly Osias, MD

Dr. Kimberly Osias received her medical degree from New York Medical College. Following medical school Dr.Osias completed her Internal Medicine residency training at North Shore University Hospital. During her residency she served as Assistant Chief Resident, working closely with hospital administration to ensure excellent patient care. After completing her residency, Dr. Osias joined a small private practice in Delaware. Here she continued to master her skills in general internal medicine and discovered another area of interest: preventive medicine.

Sarah Werbel, MD

Dr. Sarah Werbel received her medical degree from University of Medicine and Dentistry of New Jersey. Following medical school, Mount Sinai Hospital in New York City invited Dr. Werbel to join their department of Internal Medicine as a resident. Intrigued by the disproportionate prevalence of obesity and obesity related disease around the hospital, Dr. Werbel launched a study to address the psychosocial factors that contribute to obesity. Her project was lauded by the department and the results are certainly more relevant today than when the study was initiated.

Kerry Anderson, MSN, APN

Kerry Anderson is a board-certified Family Nurse Practitioner. She graduated from The College of New Jersey with her BSN and began her nursing career working on the telemetry/stroke unit at Robert Wood Johnson (RWJ) Hospital Hamilton. She also worked at RWJ New Brunswick on the heart failure/heart transplant floor. She went on to pursue her MSN at TCNJ where she graduated summa cum laude and received the Sigma Theta Tau Honor Society award for academic excellence. Her nurse practitioner experience has primarily been in internal medicine where she has developed a passion for preventive medicine and wellness education. Kerry has always valued an integrative approach which emphasizes a marriage of both western medicine and complementary and alternative therapies. She follows a shared decision-making model where her patients are encouraged to be an active part of their treatment plan.

Lianne Dehnam, MS, APN

Lianne Dehnam has been in the medical field for over 30 years, 25 of which she has spent as a Board Certified Nurse Practitioner. She obtained her Nursing degree at TCNJ where she graduated with honors. Following graduation, she took a position at Princeton Hospital caring for patients in the Critical Care Unit. Aiming to develop more long-lasting and meaningful relationships with patients, she pursued additional training. She subsequently obtained her Masters in Nursing from Rutgers University, graduating summa cum laude. ....

Meet Our Providers

Lianne Dehnam, MS, APN

Lianne Dehnam has been in the medical field for over 30 years, 25 of which she has spent as a Board Certified Nurse Practitioner. She obtained her Nursing degree at TCNJ where she graduated with honors. Following graduation, she took a position at Princeton Hospital caring for patients in the Critical Care Unit. Aiming to develop more long-lasting and meaningful relationships with patients, she pursued additional training. She subsequently obtained her Masters in Nursing from Rutgers University, graduating summa cum laude. ....
Kimberly Osias, MD

Kimberly Osias, MD

Dr. Kimberly Osias received her medical degree from New York Medical College. Following medical school Dr.Osias completed her Internal Medicine residency training at North Shore University Hospital. During her residency she served as Assistant Chief Resident, working closely with hospital administration to ensure excellent patient care. After completing her residency, Dr. Osias joined a small private practice in Delaware. Here she continued to master her skills in general internal medicine and discovered another area of interest: preventive medicine.

Sarah Werbel, MD

Dr. Sarah Werbel received her medical degree from University of Medicine and Dentistry of New Jersey. Following medical school, Mount Sinai Hospital in New York City invited Dr. Werbel to join their department of Internal Medicine as a resident. Intrigued by the disproportionate prevalence of obesity and obesity related disease around the hospital, Dr. Werbel launched a study to address the psychosocial factors that contribute to obesity. Her project was lauded by the department and the results are certainly more relevant today than when the study was initiated.

Kerry Anderson, MSN, APN

Kerry Anderson is a board-certified Family Nurse Practitioner. She graduated from The College of New Jersey with her BSN and began her nursing career working on the telemetry/stroke unit at Robert Wood Johnson (RWJ) Hospital Hamilton. She also worked at RWJ New Brunswick on the heart failure/heart transplant floor. She went on to pursue her MSN at TCNJ where she graduated summa cum laude and received the Sigma Theta Tau Honor Society award for academic excellence. Her nurse practitioner experience has primarily been in internal medicine where she has developed a passion for preventive medicine and wellness education. Kerry has always valued an integrative approach which emphasizes a marriage of both western medicine and complementary and alternative therapies. She follows a shared decision-making model where her patients are encouraged to be an active part of their treatment plan.

Lianne Dehnam, MS, APN

Lianne Dehnam has been in the medical field for over 30 years, 25 of which she has spent as a Board Certified Nurse Practitioner. She obtained her Nursing degree at TCNJ where she graduated with honors. Following graduation, she took a position at Princeton Hospital caring for patients in the Critical Care Unit. Aiming to develop more long-lasting and meaningful relationships with patients, she pursued additional training. She subsequently obtained her Masters in Nursing from Rutgers University, graduating summa cum laude. ....

Kimberly Osias, MD

Dr. Kimberly Osias received her medical degree from New York Medical College. Following medical school Dr.Osias completed her Internal Medicine residency training at North Shore University Hospital. During her residency she served as Assistant Chief Resident, working closely with hospital administration to ensure excellent patient care. After completing her residency, Dr. Osias joined a small private practice in Delaware. Here she continued to master her skills in general internal medicine and discovered another area of interest: preventive medicine.

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After Hours

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