Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Daniel R O'Brien, CRNA

Certified Registered Nurse Anesthetist in Weymouth, MA · enumerated 2010 · practices at South Shore Anesthesia Associates, Inc..

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

National Provider Identifier

1508168832

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Registry record

Entity type Individual (Type 1)

Name Mr. Daniel R O'Brien

Credential CRNA

Sex Male

Practice address 163 Libbey Pkwy, Suite 301, Weymouth, MA, 02189

Phone (781) 337-4224

Fax (781) 335-0429

Enumeration date Nov 18, 2010

Last updated in NPPES Dec 29, 2011

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN257029 (MA) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 086832 (MA) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA 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.

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Frequently asked questions

How do I verify Daniel O'Brien's NPI record?

Cross-check NPI 1508168832 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1508168832 active?

Yes, as of the latest NPPES snapshot, NPI 1508168832 is active (record last updated 2011-12-29).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-29.