Sydney Sobocinski
NPI 1538954771 · Certified Registered Nurse Anesthetist · Chesterfield, MO
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Sobocinski is a Certified Registered Nurse Anesthetist provider in Chesterfield, MO (NPI 1538954771).
Provider details
- NPI number
- 1538954771
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2015036373 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
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
Mailing address
Registry dates
- Enumerated
- 2025-04-09
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Sydney Sobocinski's NPI number?
- Sydney Sobocinski's National Provider Identifier (NPI) is 1538954771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Sobocinski's specialty?
- Sydney Sobocinski is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Sobocinski located?
- Sydney Sobocinski's practice location on file with NPPES is 400 S Woods Mill Rd Ste 140, Chesterfield, MO 63017-3427.
- What is Sydney Sobocinski's phone number?
- The practice phone number listed in the NPPES registry for Sydney Sobocinski is (314) 485-1101.
- Does Sydney Sobocinski accept Medicare?
- Sydney Sobocinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Sobocinski's NPI active?
- Yes — Sydney Sobocinski's NPI (1538954771) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.