David Siegenberg, Md, PC in Reading, MA
This organization bills under NPI 1174607030, an organization record issued on Oct 25, 2006 with the primary taxonomy Gastroenterology Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1174607030
- Legal name
- David Siegenberg, Md, PC
- Entity
- Type 2 · organization
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- Practice location
- 30 NEWCROSSING RD SUITE # 310, Reading, MA 01867
- Phone
- 781-944-1166
- Enumerated
- Oct 25, 2006
- Record updated
- Nov 20, 2013
- Authorized official
- President (title as filed)
2 clinicians CMS lists with David Siegenberg Md in Reading
- Eleanor Haley-Ciulla, NPAdult Health Nurse Practitioner1326014093
- David Siegenberg, MDInternal Medicine Physician1578502563
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the Massachusetts secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
All taxonomies on this record
- 207R00000X Internal Medicine Physician
- 207RG0100X Gastroenterology Physician
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.