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

Dr. Barbara Joyce Nath, MD

Individual provider Internal Medicine Physician · NPI 1427048503

Dr. Barbara Joyce Nath, MD is a Gastroenterology in Boston, Massachusetts. Graduated from Columbia University College of Physicians and Surgeons in 1977, 49 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
49
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
MA
In the registry since
2005
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

55 Fruit St Gastroenterology Associates Blk 4
Boston, MA 02114-2696
Phone: (617) 726-3505
Fax: (617) 724-5996
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 45566 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 45566 (MA)

Record details

NPI number1427048503
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 28, 2005
Last updated in NPPESNovember 8, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1977 (49 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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