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

Jeffrey Ha, MD

Individual provider Internal Medicine Physician · NPI 1891479382

Jeffrey Ha, MD is an Internal Medicine Physician in Westborough, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

900 Union St
Westborough, MA 01581-5408
Phone: (508) 871-0700
Fax: (508) 616-4411
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 1028643 (MA)

Record details

NPI number1891479382
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 14, 2023
Last updated in NPPESJuly 23, 2026
Certification dateJuly 23, 2026
Mailing address900 Union St, Westborough, MA 01581-5408

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