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. Marc Grossman:
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- Currently 2 of 4 stars
The overall average patient rating of Dr. Marc Grossman is Satisfactory.
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Specialties & Research
Dr. Marc Grossman, MD is board certified in Dermatology and Internal Medicine.
- He has special expertise in 29 areas:
- Acne (Acne Vulgaris)
- Acne Rosacea
- Epidermolytic Hyperkeratosis
- Facial Dermatoses
- Herpes Simplex Virus (HSV) Infection
- Kaposi Sarcoma
- Leg Dermatoses
- Palmoplantar Keratoderma
- Paraneoplastic Syndromes
- Photosensitivity Disorders
- Pigmentation Disorders
- Schoenlein-Henoch Purpura
- > Show all expertise
Education & Awards
Dr. Grossman graduated from University of Pennsylvania , Philadelphia. He has 4 awards.
Dr. Grossman has 9 hospital affiliations:
- New York Presbyterian Hospital / Columbia
- W. M. Burke Rehabilitation Hospital