Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Elizabeth Ann Sommers, LIC. AC., PHD, MPH

Acupuncturist in Cambridge, MA · enumerated 2006.

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

National Provider Identifier

1447341912

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth Ann Sommers

Credential LIC. AC., PHD, MPH

Sex Female

Practice address Cambridge, MA, 02139

Phone (617) 864-5468

Enumeration date Sep 27, 2006

Last updated in NPPES May 7, 2014

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License 172 (MA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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 Elizabeth Sommers?

The National Provider Identifier (NPI) for Elizabeth Sommers is 1447341912, a Type 1 (individual) record in the CMS NPPES registry.

Where does Elizabeth Sommers practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-07.