Karla E. Stewart, PA-C
Physician Assistant · Lake Forest, IL
Karla E. Stewart, PA-C is a physician assistant with a practice address in Lake Forest, Illinois, and NPI 1598746521, issued on Nov 8, 2005. Check the license (Illinois 085.005063, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karla E. Stewart
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085.005063 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Westmoreland RD FL 3, Lake Forest, IL 60045
- Phone
- (847) 535-8500
- Enumerated
- Nov 8, 2005
- Record last updated
- Jun 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (847) 535-8488
- Medicaid ID
- 41968400 WI
- Medicare enrollment
- Enrolled (PECOS I20140829000498); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 1000 N Westmoreland RD FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Georges, MB CH BPsychiatry Physician1427477926
- Aaron Malina, PH.D.Clinical Neuropsychologist1306914015
Verify Karla E. Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085.005063Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average physician assistant in 2024
187 Medicare Part D claims for 73 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone37 claims
- Gabapentin35 claims
- Diclofenac Sodium29 claims
- Celecoxib20 claims
- Meloxicam20 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karla E. Stewart among 4,926 physician assistant records in Illinois
Karla E. Stewart, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2019 among the 3,407 with a school on file
- Record last updated2019 · 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).
62 physician assistant records list a practice address in Lake Forest
They are 62 of the 821 NPPES records with a practice address in Lake Forest, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Lake Forest → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Ciennik, PA-CLake Forest, IL 600451497160063
- Daniela Cvetkova, PALake Forest, IL 600451548534977
- Emily Friedman, PA-CLake Forest, IL 600451417232125
- Katherine Kovacic, PA-CLake Forest, IL 600451538386149
- Jaklyn Lynch, PA-CLake Forest, IL 600451689981029
- Kelly Muscavitch, PALake Forest, IL 600451679963821
- Jennafer Ottenheimer, PA-CLake Forest, IL 600451356753016
- Keely Pedersen, PA-CLake Forest, IL 600451619228624
Common questions
What is Karla E. Stewart, PA-C's NPI number?
Karla E. Stewart, PA-C's National Provider Identifier (NPI) is 1598746521, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karla E. Stewart, PA-C located?
The NPPES record lists a practice address at 1000 N Westmoreland RD FL 3, Lake Forest, IL, 60045. Phone: (847) 535-8500. Providers update this record themselves, so call before visiting.
How can I verify Karla E. Stewart, PA-C's license?
NPPES lists Illinois license number 085.005063, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Karla E. Stewart, PA-C prescribe under Medicare Part D?
In 2024, Karla E. Stewart, PA-C had 187 Medicare Part D claims for 73 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Karla E. Stewart, PA-C's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.