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

Richard a Haas, MD

Organization Registered Dietitian · NPI 1548269806

Richard a Haas, MD is a Registered Dietitian in Worcester, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
Specialties on file
3

Practice location Address checks out

200 Lincoln St
Worcester, MA 01605-2528
Phone: (508) 755-1222
Fax: (508) 754-9479
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X (MA)
Registered Dietitian Taxonomy 133V00000X
Internal Medicine Physician Taxonomy 207R00000X (MA)

Record details

NPI number1548269806
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Richard Haas — President · (508) 755-1222
NPI enumeratedJuly 19, 2005
Last updated in NPPESJuly 21, 2022
Mailing address340 Main St, Ste. 670, Worcester, MA 01608-1604

Other providers in Worcester