Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David James Thornton, M.D.

Infectious Disease Physician in West Roxbury, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1003912510

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Registry record

Entity type Individual (Type 1)

Name David James Thornton

Credential M.D.

Sex Male

Practice address 1400 Vfw Pkwy, West Roxbury, MA, 02132

Phone (617) 203-5062

Enumeration date Sep 15, 2006

Last updated in NPPES Jun 5, 2015

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 160708 (MA) Secondary

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License 160708 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0135551	Medicaid	MA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for David Thornton?

The National Provider Identifier (NPI) for David Thornton is 1003912510, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Thornton practice?

The practice location on file with NPPES is in West Roxbury, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Shahe Fereshetian Plastic Surgery Physician · West Roxbury, MA NPI 1447244173 Yesha Barker Emergency Medicine Physician · West Roxbury, MA NPI 1013903384 Michael Charness Neurology Physician · West Roxbury, MA NPI 1457341083 Christopher O Donnell Cardiovascular Disease Physician · Boston, MA NPI 1063402246 Paul Conlin Endocrinology, Diabetes & Metabolism Physician · West Roxbury, MA NPI 1023008257 Emily Wan Pulmonary Disease Physician · West Roxbury, MA NPI 1265423701 Albert Kim Clinical Cardiac Electrophysiology Physician · Boston, MA NPI 1184615361 John Sapirstein Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · West Roxbury, MA NPI 1235110982

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-06-05.