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

Dr James Haines & Dr William Belcastro, Ptr

Organization Internal Medicine Physician · NPI 1124027834

Dr James Haines & Dr William Belcastro, Ptr is an Internal Medicine Physician in Springfield, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005

Practice location Address checks out

299 Carew St Ste 322
Springfield, MA 01104-2301
Phone: (413) 737-2371
Fax: (413) 788-7829
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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 (MA)

Record details

NPI number1124027834
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Suzette Grych — Office Manager · (413) 737-2371
NPI enumeratedJuly 15, 2005
Last updated in NPPESJuly 21, 2022
Mailing address299 Carew St, Suite 322, Springfield, MA 01104-2301

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