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

Dr. Joshua L Greenspan, MD

Individual provider Pain Medicine (Anesthesiology) Physician · NPI 1962457218

Dr. Joshua L Greenspan, MD is an Interventional Pain Management in Portsmouth, New Hampshire. Graduated from State University of New York Downstate Medical Center in 1994, 32 years ago. Accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
32
Trained at
State University of New York Downstate Medical Center
Licensed in
NH
In the registry since
2006
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

14 Manchester Sq Ste 290
Portsmouth, NH 03801-7866
Phone: (603) 766-8500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pain Medicine (Anesthesiology) Physician (primary) Taxonomy 207LP2900X · Licence 13011 (NH)

Record details

NPI number1962457218
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESFebruary 12, 2014

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL PAIN MANAGEMENT
Also practisesANESTHESIOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1994 (32 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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