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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. Marcia Mastrin:

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Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Marcia Mastrin is Good. Dr. Mastrin has been reviewed by 23 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 3.7
Courteous Staff 4.0
Accurate Diagnosis 3.2
Bedside Manner 2.9
Spends Time with Me 3.5
Follows Up After Visit 2.5

Education & Awards

Dr. Mastrin graduated from Universidad Autonoma De Ciudad Juarez.


  • Spanish

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Additional Information
Dr. Marcia Olsson Mastrin MD is a female Pain Management, has 31 years of experience and practices in Pain Medicine.
Where does Dr. Marcia O. Mastrin practice?
Dr. Marcia Mastrin has 2 office locations.
Dr. Marcia Mastrin practices Pain Medicine near Phoenix, AZ.
Additional practice locations include: Cherry Hill, NJ.
See Phoenix Pain Management Doctors.