Search › Massachusetts › Pediatric Gastroenterology Physician
William Walker, MD
NPI 1144209446 · on the registry since 2006
Practice
- Address
- 55 Fruit Street B114 3501
Massachusetts General Hospital
Boston, MA 02114 - Phone
- (617) 726-7988
- Fax
- (617) 724-1731
Registry record
- Primary taxonomy
- Pediatric Gastroenterology Physician
2080P0206X
- Licence states on file
- MA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-07-13
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Massachusetts