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. Marshall Sager:
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Specialties & Research
- He has special expertise in 2 areas:
- Holistic Health
Education & Awards
Dr. Sager graduated from Philadelphia College of Osteopathic Medicine.
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- Additional Information
- Dr. Marshall Harris Sager DO is a male Family Practitioner, has 44 years of experience and practices in Family Medicine.
- Where does Dr. Marshall H. Sager practice?
- Dr. Marshall Sager has 1 office location.
Dr. Marshall Sager practices Family Medicine near Bala Cynwyd, PA.
See Bala Cynwyd Family Physicians.