Claire Josephson
NPI 1194216648 · Physician Assistant · Costa Mesa, CA
Claire Josephson is a Physician Assistant provider in Costa Mesa, CA (NPI 1194216648).
Provider details
- NPI number
- 1194216648
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$297 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-21
- Last updated
- 2018-05-21
Frequently asked questions
- What is Claire Josephson's NPI number?
- Claire Josephson's National Provider Identifier (NPI) is 1194216648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Josephson's specialty?
- Claire Josephson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Claire Josephson located?
- Claire Josephson's practice location on file with NPPES is 1637 Irvine Ave Apt F, Costa Mesa, CA 92627-3274.
- What is Claire Josephson's phone number?
- The practice phone number listed in the NPPES registry for Claire Josephson is (949) 500-2366.
- Is Claire Josephson's NPI active?
- Yes — Claire Josephson's NPI (1194216648) is active in the NPPES registry as of the last update on 2018-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.