Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Alan Howard Greenspan, MD

Individual provider Procedural Dermatology Physician · NPI 1518913672

Dr. Alan Howard Greenspan, MD is a Dermatology in New York, New York. Graduated from Northwestern University Feinberg Medical School in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
47
Trained at
Northwestern University Feinberg Medical School
Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

39 Broadway Ste 3005
New York, NY 10006-3003
Phone: (212) 509-5200
Fax: (212) 425-0235
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 146086 (NY)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence 146086 (NY)

Record details

NPI number1518913672
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 26, 2006
Last updated in NPPESOctober 15, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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