Kathryn R. Johns, MD
Emergency Medicine Physician · Rockford, IL
Kathryn R. Johns, MD is an emergency medicine physician with a practice address in Rockford, Illinois, and NPI 1891223285, issued on May 30, 2017. Check the license (Illinois 036151740, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kathryn R. Johns
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036151740 IL
14115-320 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2400 N Rockton Ave, Rockford, IL 61103
- Phone
- (815) 971-5000
- Enumerated
- May 30, 2017
- Record last updated
- Mar 31, 2026
- Medicare enrollment
- Enrolled (PECOS I20200529000032); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 2400 N Rockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathryn R. Johns 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 036151740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average emergency medicine physician in 2024
195 Medicare Part D claims for 144 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 32 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen27 claims
- Ondansetron Odt17 claims
- Cephalexin14 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 3 group practices
- Cepamerica Illinois LLPLibertyville, IL
- Mercy Health System CorporationCrystal Lake, IL
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn R. Johns among 3,291 emergency medicine physician records in Illinois
Kathryn R. Johns, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 68% of them.
- NPI issued2017 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2012 among the 1,867 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 emergency medicine physician records list a practice address in Rockford
They are 53 of the 3,893 NPPES records with a practice address in Rockford, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Rockford → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Aldred, MDRockford, IL 611031609986884
- Christine Assia, MDRockford, IL 611031245340421
- George Beranek, M.D.Rockford, IL 611031295716330
- Todd Chaffin, MDRockford, IL 611031053421230
- Kanwal Chaudhry, M.D.Rockford, IL 611031336263201
- Jane Kotecki, MDRockford, IL 611031760451793
- Jonathan Matson, MDRockford, IL 611031750491940
- Robert Porter, M.D.Rockford, IL 611031871621144
Common questions
What is Kathryn R. Johns, MD's NPI number?
Kathryn R. Johns, MD's National Provider Identifier (NPI) is 1891223285, issued on May 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn R. Johns, MD located?
The NPPES record lists a practice address at 2400 N Rockton Ave, Rockford, IL, 61103. Phone: (815) 971-5000. Providers update this record themselves, so call before visiting.
How can I verify Kathryn R. Johns, MD's license?
NPPES lists Illinois license number 036151740, 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 Kathryn R. Johns, MD prescribe under Medicare Part D?
In 2024, Kathryn R. Johns, MD had 195 Medicare Part D claims for 144 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.