Sydney Irwin
Family Nurse Practitioner · Saint Charles, MO
Sydney Irwin is a family nurse practitioner with a practice address in Saint Charles, Missouri, and NPI 1316752363, issued on Feb 7, 2025. Check the license (Missouri 2025019598, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydney Irwin
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2025019598 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1475 Kisker RD Ste 200, Saint Charles, MO 63304
- Phone
- (636) 498-5810
- Enumerated
- Feb 7, 2025
- Record last updated
- Oct 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20250710004119); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 1475 Kisker RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara Birke, NP (APRN)Nurse Practitioner1619412962
- Robert Brown, M.D.Obstetrics & Gynecology Physician1316909872
- Lisa DevallNurse Practitioner1699649665
- Katherine Dewey, M.D.Obstetrics & Gynecology Physician1194786434
- Alante Ghannam, FNPFamily Nurse Practitioner1083153787
- Thomas Gutmann, M.D.Internal Medicine Physician1437165834
Verify Sydney Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2025019598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ssm Medical Group IncSaint Charles, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney Irwin among 5,226 family nurse practitioner records in Missouri
Sydney Irwin is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2025 · median 2018 among the 3,339 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family nurse practitioner records list a practice address in Saint Charles
They are 45 of the 1,547 NPPES records with a practice address in Saint Charles, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Saint Charles → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Amanda BenSaint Charles, MO 633041164049698
- Aaron Carbutt, FNP-BCSaint Charles, MO 633041508415811
- Emmanuelson Chukwuyem, APRNWeldon Spring, MO 633041275396376
- Alante Ghannam, FNPSaint Charles, MO 633041083153787
- Melissa IrvineSaint Charles, MO 633041558733113
- Lauren Knight, APRN, FNP-BCSaint Charles, MO 633041265862916
- Kimberly Koontz, NP-CSaint Peters, MO 633041205235355
- Lindsey Martin, APRN FNP-BCSaint Charles, MO 633041801348339
Common questions
What is Sydney Irwin's NPI number?
Sydney Irwin's National Provider Identifier (NPI) is 1316752363, issued on Feb 7, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Irwin located?
The NPPES record lists a practice address at 1475 Kisker RD Ste 200, Saint Charles, MO, 63304. Phone: (636) 498-5810. Providers update this record themselves, so call before visiting.
How can I verify Sydney Irwin's license?
NPPES lists Missouri license number 2025019598, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.