What is Monika Osullivan's NPI number?

Monika Osullivan's National Provider Identifier (NPI) is 1518839422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Monika Osullivan's specialty?

Monika Osullivan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Monika Osullivan located?

Monika Osullivan's practice location on file with NPPES is 1070 Concord Ave Ste 285, Concord, CA 94520-5696.

What is Monika Osullivan's phone number?

The practice phone number listed in the NPPES registry for Monika Osullivan is (925) 326-1640.

Is Monika Osullivan's NPI active?

Yes — Monika Osullivan's NPI (1518839422) is active in the NPPES registry as of the last update on 2025-09-19.

IndividualActive

Monika Osullivan

NPI 1518839422 · Specialist · Concord, CA

Monika Osullivan is a Specialist provider in Concord, CA (NPI 1518839422).

Provider details

NPI number: 1518839422
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: Yes
License: L10017 (CA)

Specialties & taxonomies

SpecialistPrimary174400000XLicense L10017 (CA)
Other Service Providers

Profile Score

Established profile(54/100 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
100% 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

1070 Concord Ave Ste 285

Concord, CA 94520-5696

Phone: (925) 326-1640

Street-level locationGet directions

More CA providers

Mailing address