Roy Marshall Wagner, DO
Family Medicine Physician · O Fallon, IL
Roy Marshall Wagner, DO is a family medicine physician with a practice address in O Fallon, Illinois, and NPI 1477187383, issued on Feb 29, 2020. Check the license (Illinois 036164627, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Roy Marshall Wagner
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036164627 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269
- Phone
- (618) 233-7880
- Enumerated
- Feb 29, 2020
- Record last updated
- Nov 7, 2023
- Fax
- (618) 222-4792
- Medicare enrollment
- Enrolled (PECOS I20231012003079); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 3 Saint Elizabeth Blvd Ste 4000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Bailey, DOStudent in an Organized Health Care Education/Training Program1730870635
- Benjamin Beggs, MDFamily Medicine Physician1386174381
- Alex BelongyStudent in an Organized Health Care Education/Training Program1144087511
- Christina Bereda, D.O.Family Medicine Physician1437386083
Verify Roy Marshall Wagner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036164627Check 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 2 group practices
- Southern Illinois Health Care Foundation IncO Fallon, IL
- St Elizabeths Hospital OF The Hospital Sisters OF The Third OrderO Fallon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Marshall Wagner among 6,215 family medicine physician records in Illinois
Roy Marshall Wagner, DO is one of 6,215 family medicine physician 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 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2006 among the 3,714 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 family medicine physician records list a practice address in O Fallon
They are 44 of the 1,077 NPPES records with a practice address in O Fallon, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in O Fallon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Garner, DOShiloh, IL 622691285612242
- Marjorie Guthrie, M.D.O Fallon, IL 622691366490146
- Nell Hennon, D.O.O Fallon, IL 622691992739221
- James Hitchcock, D.O.Shiloh, IL 622691295725174
- James Lundy, MDO Fallon, IL 622691245287085
- Jacob Marshall, M.D.O Fallon, IL 622691922081249
- David McCarthy, MDO Fallon, IL 622691346242799
- Scott Morrison, MDO Fallon, IL 622691508858713
Common questions
What is Roy Marshall Wagner, DO's NPI number?
Roy Marshall Wagner, DO's National Provider Identifier (NPI) is 1477187383, issued on Feb 29, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Roy Marshall Wagner, DO located?
The NPPES record lists a practice address at 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL, 62269. Phone: (618) 233-7880. Providers update this record themselves, so call before visiting.
How can I verify Roy Marshall Wagner, DO's license?
NPPES lists Illinois license number 036164627, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.