Lauren Osias
NPI 1275345951 · Physician Assistant · Chesterfield, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Osias is a Physician Assistant provider in Chesterfield, MO (NPI 1275345951).
Provider details
- NPI number
- 1275345951
- 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 tenure38% of score
1 yr in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2025-01-21
- Last updated
- 2025-05-01
- Certified
- 2025-05-01
Frequently asked questions
- What is Lauren Osias's NPI number?
- Lauren Osias's National Provider Identifier (NPI) is 1275345951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Osias's specialty?
- Lauren Osias is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lauren Osias located?
- Lauren Osias's practice location on file with NPPES is 226 S Woods Mill Rd Ste 58w, Chesterfield, MO 63017-3664.
- What is Lauren Osias's phone number?
- The practice phone number listed in the NPPES registry for Lauren Osias is (314) 878-2888.
- Does Lauren Osias accept Medicare?
- Lauren Osias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Osias's NPI active?
- Yes — Lauren Osias's NPI (1275345951) is active in the NPPES registry as of the last update on 2025-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.