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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Lawrence Posner:

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  1. Qualifications
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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Lawrence Posner is Excellent. Dr. Posner has been reviewed by 9 patients who have provided 3 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.5
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 4.7
Follows Up After Visit 4.8

Specialties & Research

Dr. Lawrence Posner, MD is board certified in Internal Medicine.

Education & Awards

Dr. Posner graduated from University of California at San Francisco. He has 4 awards.

[415] Top Doctor, Marin Magazine, 2012
Patients' Choice Award (2015)
Compassionate Doctor Recognition (2015)
On-Time Doctor Award (2015)


Dr. Posner has 2 hospital affiliations:

  • Marin General Hospital 
  • Novato Community Hospital 


  • French

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Additional Information
Dr. Lawrence Posner MD is a male Internist, has 50 years of experience and practices in Internal Medicine.
Where does Dr. Lawrence Posner practice?
Dr. Lawrence Posner has 1 office location.
Dr. Lawrence Posner practices Internal Medicine near Sausalito, CA.
See Sausalito Internists.