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

Daniel W. Weiswasser, MD

Individual provider Internal Medicine Physician · NPI 1437117462

Daniel W. Weiswasser, MD is an Internal Medicine Physician in Agawam, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
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

230 Main St
Agawam, MA 01001-1838
Phone: (413) 789-8010
Fax: (413) 789-5171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 221130 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 221130 (MA)

Record details

NPI number1437117462
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2006
Last updated in NPPESFebruary 26, 2016
Mailing address230 Main St, Agawam, MA 01001-1838

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