Margaret Frances Kaiser Ferguson, PA-C
Physician Assistant · Rockford, IL
Margaret Frances Kaiser Ferguson, PA-C is a physician assistant with a practice address in Rockford, Illinois, and NPI 1265049506, issued on Sep 30, 2020. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Frances Kaiser Ferguson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 6595 E State St, Rockford, IL 61108
- Phone
- (815) 226-1300
- Enumerated
- Sep 30, 2020
- Record last updated
- Nov 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201230001659); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 6595 E State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alpa Boshku, M.D.Family Medicine Physician1689680449
- Julie VaughanFamily Nurse Practitioner1376414458
Verify Margaret Frances Kaiser Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
89 Medicare Part D claims for 79 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro20 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.
One hospital affiliation
- Saint Anthony Medical CenterLoves Park, IL · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Margaret Frances Kaiser Ferguson among 4,926 physician assistant records in Illinois
Margaret Frances Kaiser Ferguson, PA-C is one of 4,926 physician assistant 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 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2019 among the 3,407 with a school on file
- Record last updated2021 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
115 physician assistant records list a practice address in Rockford
They are 115 of the 3,893 NPPES records with a practice address in Rockford, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Rockford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gregory Campbell, PA-CRockford, IL 611081508849480
- Kyle Clark, PA-CRockford, IL 611081801415864
- Amy Dinello, PA-CRockford, IL 611081972595296
- Amy Fiedler, PA-CRockford, IL 611081952647273
- Julie Gruszczynski, PA-CRockford, IL 611081225783061
- Kathy Nguyen, PA-CRockford, IL 611081790641397
- Ghazal Rasheed, PA-CRockford, IL 611081407782485
- Rebekah Sooy, PA-CRockford, IL 611081538527395
Common questions
What is Margaret Frances Kaiser Ferguson, PA-C's NPI number?
Margaret Frances Kaiser Ferguson, PA-C's National Provider Identifier (NPI) is 1265049506, issued on Sep 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Frances Kaiser Ferguson, PA-C located?
The NPPES record lists a practice address at 6595 E State St, Rockford, IL, 61108. Phone: (815) 226-1300. Providers update this record themselves, so call before visiting.
How can I verify Margaret Frances Kaiser Ferguson, PA-C's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Frances Kaiser Ferguson, PA-C prescribe under Medicare Part D?
In 2024, Margaret Frances Kaiser Ferguson, PA-C had 89 Medicare Part D claims for 79 beneficiaries; the average among physician assistant prescribers was 830. 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.