1. Home
  2. Directory
  3. Massachusetts
  4. Chelmsford
  5. Specialist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ROBERT SHANNON MD
NPI 1235130485
Specialist in Chelmsford, MA

Active since August 09, 2005
3 MEETING HOUSE RD, CHELMSFORD, MA 01824(978) 256-1858(978) 156-9679 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Robert Shannon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT SHANNON MD (NPI 1235130485) is an individual specialist in Chelmsford, Massachusetts, licensed in Massachusetts (38329) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1235130485
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. ROBERT SHANNONCredential: MD
Location Address3 MEETING HOUSE RDChelmsford, MA 01824-2738
Mailing Address3 Meeting House RdChelmsford, MA 01824-2738 · (978) 256-1858 · Fax (978) 156-9679
Phone(978) 256-1858
Fax(978) 156-9679
Sole ProprietorNo
Enumeration DateAugust 9, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1235130485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MA · 38329
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3 MEETING HOUSE RD, Chelmsford, MA 01824
Open in Google Maps ↗

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENNETH J. MCPARTLAND,D.M.D. PC
Dentist (Periodontics)
3 MEETING HOUSE RD, SUITE 21
CHELMSFORD, MA 01824
Middlesex County (978) 256-7322
ERIC H STEIN MD
Otolaryngology
3 MEETING HOUSE RD, STE 24
CHELMSFORD, MA 01824
Middlesex County (978) 256-5557
DR. KENNETH JOHN MCPARTLAND D.M.D.
Dentist (Periodontics)
3 MEETING HOUSE RD
CHELMSFORD, MA 01824
Middlesex County (978) 256-7322
VIJAY K NAYAK MD
Otolaryngology
3 MEETING HOUSE RD, SUITE 24
CHELMSFORD, MA 01824
Middlesex County (978) 256-5557
VISHNU KANNABIRAN
Otolaryngology
3 MEETING HOUSE RD
CHELMSFORD, MA 01824
Middlesex County (978) 256-5557
ARTHUR M LAURETANO MD
Otolaryngology
3 MEETING HOUSE RD, SUITE 24
CHELMSFORD, MA 01824
Middlesex County (978) 256-5557
JESSICA LAUREN HOOTNICK M.D.
Otolaryngology
3 MEETING HOUSE RD
CHELMSFORD, MA 01824
Middlesex County (978) 256-5557
MRS. SALMA ABOUNADI MS CCC SLP
Speech-Language Pathologist
3 MEETING HOUSE RD
CHELMSFORD, MA 01824
Middlesex County (781) 329-2262

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Shannon's NPI number?

The NPI number for Robert Shannon is 1235130485. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Robert Shannon located?

Robert Shannon practices at 3 Meeting House Rd, Chelmsford, MA 01824. The listed phone number is (978) 256-1858.

What is Robert Shannon's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Robert Shannon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.