MARK WEINSTEIN, M.D.
Princeton Pike Internal Medicine - Princeton Medicine
Direct Primary Care
Care is available through a direct-pay model, allowing for flexible scheduling and immediate access to care.
Credentials & Training
Federally verified- Credential
- MD
- Medical school
- Rutgers R W Johnson Medical School (cam/New Bruns/Pisc)
- Graduated
- 1985
- Medicare specialty
- Internal Medicine
- Group practice
- Clinical Health Care Associates of New Jersey PC · 793 clinicians
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked October 2026.
About
Routine check-ups, management of ongoing health concerns, and acute illnesses are common reasons for visiting an internal medicine physician. Mark Weinstein, M.D., practices at Princeton Pike Internal Medicine - Princeton Medicine in Lawrenceville, New Jersey. The practice operates on a direct-pay model.
Internal medicine focuses on the diagnosis and treatment of complex illnesses in adults. This specialty manages chronic conditions such as heart disease, diabetes, and kidney disease, while also providing care for sudden or acute symptoms that require expert evaluation.
The practice operates on a direct-pay model, meaning patients pay for services at the time of visit. Medicare assignment is accepted by the group practice.
Areas of Focus
Conditions Treated
Specialties
Patients Served
Frequently Asked Questions
What types of care does an internal medicine physician provide?
Internal medicine focuses on the diagnosis and treatment of complex illnesses in adults, managing chronic conditions and providing care for acute symptoms.
Does this physician accept Medicare?
Yes, the group practice has a Medicare assignment.
What does 'direct-pay' mean for billing?
A direct-pay model means that patients pay for services at the time of visit, rather than billing through insurance.
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