What is Erin O'Brien's NPI number?

Erin O'Brien's National Provider Identifier (NPI) is 1811867203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Erin O'Brien's specialty?

Erin O'Brien is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Erin O'Brien located?

Erin O'Brien's practice location on file with NPPES is 111 Continental Dr Ste 114, Newark, DE 19713-4302.

What is Erin O'Brien's phone number?

The practice phone number listed in the NPPES registry for Erin O'Brien is (302) 467-1898.

Is Erin O'Brien's NPI active?

Yes — Erin O'Brien's NPI (1811867203) is active in the NPPES registry as of the last update on 2025-11-10.

IndividualActive

Erin O'Brien

NPI 1811867203 · Physician Assistant · Newark, DE

Erin O'Brien is a Physician Assistant provider in Newark, DE (NPI 1811867203).

Provider details

NPI number: 1811867203
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

111 Continental Dr Ste 114

Newark, DE 19713-4302

Phone: (302) 467-1898

Street-level locationGet directions

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Mailing address