NPPES file of Aug 9, 2026

Rachel M. Riddle, CRNA

Certified Registered Nurse Anesthetist · O Fallon, IL

Rachel M. Riddle, CRNA is a certified registered nurse anesthetist with a practice address in O Fallon, Illinois, and NPI 1598341471, issued on Mar 22, 2021. Check the license (Illinois 041468785, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598341471
Name
Rachel M. Riddle
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
041468785 IL
Self-reported in NPPES; status is on the state search
Practice location
1 Saint Elizabeth Blvd, O Fallon, IL 62269
Phone
(618) 234-2120
Enumerated
Mar 22, 2021
Record last updated
Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(628) 541-5810
Medicare enrollment
Enrolled (PECOS I20210721002749); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 2,444 in Illinois → Look up another NPI →

Also registered at 1 Saint Elizabeth Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Caitlin AlonzoNurse Practitioner1083576243
  2. Justin Baecht, CRNACertified Registered Nurse Anesthetist1801034491
  3. Leah Baecht, DNP, CRNA, APRNCertified Registered Nurse Anesthetist1275831273
  4. Gregory Bray-Stanley, MDAnesthesiology Physician1902836679
  5. Gage Buness, DOFamily Medicine Physician1881449635
  6. Amanda BurgesenCertified Registered Nurse Anesthetist1568084903

Verify Rachel M. Riddle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 041468785    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Midwest Anesthesia Providers SCAlton, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rachel M. Riddle among 2,444 certified registered nurse anesthetist records in Illinois

Rachel M. Riddle, CRNA is one of 2,444 certified registered nurse anesthetist records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 76% of them.

  • NPI issued2021 · 76% of these records are older, 18% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2021 · median 2015 among the 1,926 with a school on file
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 certified registered nurse anesthetist records list a practice address in O Fallon

They are 19 of the 1,077 NPPES records with a practice address in O Fallon, and 2,444 certified registered nurse anesthetist records in Illinois.

All 2,444 in Illinois → Every provider in O Fallon → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Justin Baecht, CRNAO Fallon, IL 622691801034491
  2. Leah Baecht, DNP, CRNA, APRNO Fallon, IL 622691275831273
  3. Tonya Carrizales, CRNAO Fallon, IL 622691720225204
  4. Kristopher Clements, CRNAO Fallon, IL 622691184022352
  5. Jennifer Cripps, CRNAO Fallon, IL 622691104177724
  6. Courtney Harris, CRNAO Fallon, IL 622691235764218
  7. Jamie Hart, CRNAO Fallon, IL 622691477090322
  8. Angela Harvey, CRNAO Fallon, IL 622691588707020

Common questions

What is Rachel M. Riddle, CRNA's NPI number?

Rachel M. Riddle, CRNA's National Provider Identifier (NPI) is 1598341471, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Rachel M. Riddle, CRNA located?

The NPPES record lists a practice address at 1 Saint Elizabeth Blvd, O Fallon, IL, 62269. Phone: (618) 234-2120. Providers update this record themselves, so call before visiting.

How can I verify Rachel M. Riddle, CRNA's license?

NPPES lists Illinois license number 041468785, as entered by the provider. Search the Illinois 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.