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. Harold Greenspan:
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The overall average patient rating of Dr. Harold Greenspan is Excellent.
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Specialties & Research
Dr. Harold Greenspan, MD is board certified in Internal Medicine.
- He has special expertise in 2 areas:
- Flu (Human Influenza)
Education & Awards
Dr. Greenspan graduated from University of Vermont, Burlington. He has 2 awards.
Dr. Greenspan has 3 hospital affiliations:
- Faulkner Hospital
- Brigham and Women's Hospital
- Merrimack Valley Hospital
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- Additional Information
- Dr. Harold Zachary Greenspan MD is a male Internist, has 26 years of experience and practices in Internal Medicine.
- Where does Dr. Harold Z. Greenspan practice?
- Dr. Harold Greenspan has 1 office location.
Dr. Harold Greenspan practices Internal Medicine near Chestnut Hill, MA.
See Chestnut Hill Internists.