Robert B. Johnston, M.D.
Family Medicine Physician · Champaign, IL
Robert B. Johnston, M.D. is a family medicine physician with a practice address in Champaign, Illinois, and NPI 1720016686, issued on Jun 29, 2006. Check the license (Illinois 036090080, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert B. Johnston
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036090080 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1801 W Windsor RD, Champaign, IL 61822
- Phone
- (217) 366-8130
- Enumerated
- Jun 29, 2006
- Record last updated
- Jan 6, 2022
- Medicaid ID
- 0360900803 IL
- Medicare enrollment
- Enrolled (PECOS I20070530000021); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1992
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1801 W Windsor RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Swathi Chalasani, MDRheumatology Physician1528440757
Verify Robert B. Johnston 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 036090080Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average family medicine physician in 2024
1,686 Medicare Part D claims for 729 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Methylprednisolone254 claims
- Amoxicillin-Clavulanate Potass218 claims
- Fluconazole161 claims
- Ciprofloxacin Hcl130 claims
- Fluticasone Propionate111 claims
- Azithromycin107 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.
Bills Medicare through one group practice
- Christie Clinic, PLLCChampaign, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert B. Johnston among 6,215 family medicine physician records in Illinois
Robert B. Johnston, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2006 among the 3,714 with a school on file
- Record last updated2022 · 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).
40 family medicine physician records list a practice address in Champaign
They are 40 of the 2,445 NPPES records with a practice address in Champaign, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Champaign → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ingrid Antonsen, M.D.Champaign, IL 618221508870601
- Stephanie(tess) Bailey, MDChampaign, IL 618221235169426
- Joyce Beitel, M.D.Champaign, IL 618221639109879
- David Conner, MDChampaign, IL 618221871528570
- Michael Day, MDUrbana, IL 618221821023565
- Karen Eisenmenger, MDChampaign, IL 618221639198575
- Heidi Gaddey, M.D.Champaign, IL 618221396732061
- Tracy Grotrian, D.O.Champaign, IL 618221700809373
Common questions
What is Robert B. Johnston, M.D.'s NPI number?
Robert B. Johnston, M.D.'s National Provider Identifier (NPI) is 1720016686, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert B. Johnston, M.D. located?
The NPPES record lists a practice address at 1801 W Windsor RD, Champaign, IL, 61822. Phone: (217) 366-8130. Providers update this record themselves, so call before visiting.
How can I verify Robert B. Johnston, M.D.'s license?
NPPES lists Illinois license number 036090080, 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.
How much does Robert B. Johnston, M.D. prescribe under Medicare Part D?
In 2024, Robert B. Johnston, M.D. had 1,686 Medicare Part D claims for 729 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.