Sydney Irwin
NPI 1316752363 · Family Nurse Practitioner · Saint Charles, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Irwin is a Family Nurse Practitioner provider in Saint Charles, MO (NPI 1316752363).
Provider details
- NPI number
- 1316752363
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2025019598 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
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
2 documented practice locations
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
Additional practice locations (1)
- 2424 S 9th St Apt 218Saint Louis, MO 63104-4717Phone: (573) 280-2127
Registry dates
- Enumerated
- 2025-02-07
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Sydney Irwin's NPI number?
- Sydney Irwin's National Provider Identifier (NPI) is 1316752363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Irwin's specialty?
- Sydney Irwin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Irwin located?
- Sydney Irwin's practice location on file with NPPES is 1475 Kisker Rd Ste 200, Saint Charles, MO 63304-8788.
- What is Sydney Irwin's phone number?
- The practice phone number listed in the NPPES registry for Sydney Irwin is (636) 498-5810.
- Does Sydney Irwin accept Medicare?
- Sydney Irwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Irwin's NPI active?
- Yes — Sydney Irwin's NPI (1316752363) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.