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21 years of experience
Accepting new patients
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. Marta Kosinski:

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Specialties & Research

Dr. Marta Kosinski, MD is board certified in Pediatrics.

Education & Awards

Dr. Kosinski graduated from University of California at San Francisco. She has 2 awards.

Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2015 - 2018)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2015 - 2018)


Dr. Kosinski has 7 hospital affiliations:

  • John Muir Medical Center, Walnut Creek Campus 
  • UCSF Medical Center / Moffitt-Long Hospitals 

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Additional Information
Dr. Marta Valentina Kosinski MD is a female Pediatrician, has 21 years of experience and practices in Pediatrics.
Where does Dr. Marta V. Kosinski practice?
Dr. Marta Kosinski has 1 office location.
Dr. Marta Kosinski practices Pediatrics near San Francisco, CA.
See San Francisco Pediatricians.