Margret M. Saint Louis, APN
Family Nurse Practitioner · Davis Junction, IL
Margret M. Saint Louis, APN is a family nurse practitioner with a practice address in Davis Junction, Illinois, and NPI 1811374226, issued on May 5, 2015. Check the license (Illinois 209-012961, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margret M. Saint Louis
- Credential
- APN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209-012961 IL
F0415166 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5665 N Junction Way, Davis Junction, IL 61020
- Phone
- (779) 696-9200
- Enumerated
- May 5, 2015
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150828001075); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 5665 N Junction Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cody Bianchetta, MDFamily Medicine Physician1407348345
- Timothy Flynn, MDFamily Medicine Physician1174566038
- Mackenzie HazzardFamily Nurse Practitioner1568295459
- Kayla Kimbell, D.O.Family Medicine Physician1780024125
Verify Margret M. Saint Louis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209-012961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,063 Medicare Part D claims for 346 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 11 claims were for opioids.
Most prescribed
- Lisinopril67 claims
- Amlodipine Besylate53 claims
- Azithromycin48 claims
- Levothyroxine Sodium40 claims
- Losartan Potassium40 claims
- Prednisone33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Swedishamerican HospitalDavis Junction, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margret M. Saint Louis among 7,639 family nurse practitioner records in Illinois
Margret M. Saint Louis, APN is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 24% of them.
- NPI issued2015 · 24% of these records are older, 70% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2018 among the 4,778 with a school on file
- Record last updated2021 · 39% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Nurse Practitioner providers in Illinois
There are 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Mackenzie HazzardDavis Junction, IL 610201568295459
- Stephanie Berlin, APRNDixon, IL 610211639786288
- Taylor Carroll, APRN, CNPDixon, IL 610211578048377
- Sara FordhamDixon, IL 610211871141465
- Marissa Frost, APRN, CNPDixon, IL 610211639786270
- Chris Herbert, FNPDixon, IL 610211760022180
- Jacqueline KeckDixon, IL 610211326411539
- Ann Lee, FNPDixon, IL 610211508414756
Common questions
What is Margret M. Saint Louis, APN's NPI number?
Margret M. Saint Louis, APN's National Provider Identifier (NPI) is 1811374226, issued on May 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Margret M. Saint Louis, APN located?
The NPPES record lists a practice address at 5665 N Junction Way, Davis Junction, IL, 61020. Phone: (779) 696-9200. Providers update this record themselves, so call before visiting.
How can I verify Margret M. Saint Louis, APN's license?
NPPES lists Illinois license number 209-012961, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Margret M. Saint Louis, APN prescribe under Medicare Part D?
In 2024, Margret M. Saint Louis, APN had 1,063 Medicare Part D claims for 346 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Margret M. Saint Louis, APN's MIPS final score?
The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.