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

Dr. William J Swiggard, MD, PHD

Individual provider Infectious Disease Physician · NPI 1457335622

Dr. William J Swiggard, MD, PHD is an Infectious Disease Physician in Northampton, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

22 Atwood Dr Ste 203
Northampton, MA 01060-4272
Phone: (413) 582-9186
Fax: (413) 923-9317
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 219042 (MA)

Record details

NPI number1457335622
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESApril 9, 2015

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