Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elizabeth O'Brien, MD

Emergency Medical Services (Emergency Medicine) Physician in Dover, NH · enumerated 2006.

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

National Provider Identifier

1649205717

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth O'Brien

Credential MD

Sex Female

Practice address 789 Central Ave, Emergency Dept, Dover, NH, 03820

Phone (603) 740-2163

Fax (603) 740-2246

Enumeration date Jul 11, 2006

Last updated in NPPES Sep 30, 2008

Taxonomy & licenses

207PE0004X Emergency Medical Services (Emergency Medicine) Physician Allopathic & Osteopathic Physicians · License 13121 (NH) 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
P00329992	Other	NH	RAILROAD MEDICARE
30206091	Medicaid	NH	-
01Y010879NH01	Other	NH	BCBS

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

Where does Elizabeth O'Brien practice?

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

What is the NPI number for Elizabeth O'Brien?

The National Provider Identifier (NPI) for Elizabeth O'Brien is 1649205717, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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David Coppola Surgery Physician · Dover, NH NPI 1770583452 Erwin Kurt Cullamar Hospitalist Physician · Dover, NH NPI 1982605200 Jonathan Harris Certified Registered Nurse Anesthetist · Dover, NH NPI 1821090754 Magdalena Scherer Hospitalist Physician · Dover, NH NPI 1063414894 Polius Raslavicius Anatomic Pathology & Clinical Pathology Physician · Dover, NH NPI 1619960333 Sarah Macduffie Hospice and Palliative Medicine (Family Medicine) Physician · Dover, NH NPI 1689668352 Cheryl Moore Anatomic Pathology & Clinical Pathology Physician · Dover, NH NPI 1356332670 Glenn Littell Anatomic Pathology & Clinical Pathology Physician · Dover, NH NPI 1457332512

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-30.