Active NPI 1598746521 Individual Practitioner Female Practitioner

Karla E Stewart , PA-C

Physician Assistant • Lake Forest, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Karla Stewart, PA-C is a certified Physician Assistant practicing in Lake Forest, IL. With approximately 24 years of clinical experience since completing medical education in 2002, Karla Stewart delivers high-quality medical care to the local community at 1000 N WESTMORELAND RD FL 3.

Karla Stewart is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 N Westmoreland Rd Fl 3

Lake Forest, IL 600451658

Telephone 8475358500

Fax 8475358488

Associated Practice Facility / Clinic

🏢 Northwestern Medical Faculty Foundation Facility NPI 1124733019

Medicare Profile & Education

Medical School

Other

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Lake Forest, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs +16.0 yrs vs City Avg

City Avg: 8.0 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

62 Specialists

Practicing in Lake Forest, IL (4958 Statewide)

Telehealth Adoption Rate

17.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Stewart (24 Years) 24 Yrs

Lake Forest Specialty Average (8.0 Years) 8.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	922	73	$6.00	$0.98
99213 Established patient office or other outpatient visit, typically 15 minutes	230	123	$219.00	$81.50
20610 Aspiration and/or injection of fluid from large joint	183	73	$464.95	$63.81
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	82	82	$330.00	$101.04
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	72	17	$609.00	$119.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	44	$323.00	$115.35
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	23	14	$541.00	$90.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,072	86	$6.00	$1.07
99213 Established patient office or other outpatient visit, typically 15 minutes	219	115	$219.00	$81.04
20610 Aspiration and/or injection of fluid from large joint	192	84	$485.26	$66.05
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	83	18	$609.00	$126.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	82	82	$330.00	$100.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	25	$323.00	$114.68
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	23	17	$564.52	$93.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$132.00	$51.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	874	93	$6.00	$1.16
99213 Established patient office or other outpatient visit, typically 15 minutes	167	130	$219.00	$82.31
20610 Aspiration and/or injection of fluid from large joint	148	90	$470.84	$66.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$330.00	$102.62
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	17	$132.00	$51.79
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	15	13	$541.00	$92.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	216	24	$6.00	$1.24
99213 Established patient office or other outpatient visit, typically 15 minutes	42	35	$219.00	$83.23
20610 Aspiration and/or injection of fluid from large joint	37	28	$489.05	$68.16
27447 Replacement of knee joint, both sides of knee	20	19	$4231.00	$195.12
27130 Replacement of thigh bone and hip joint with prosthesis	11	11	$4526.33	$195.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	186	15	$6.00	$1.51
20610 Aspiration and/or injection of fluid from large joint	34	18	$509.56	$66.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	11	$132.00	$41.88
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$219.00	$68.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	144	17	$6.00	$1.56
20610 Aspiration and/or injection of fluid from large joint	55	32	$434.00	$58.83
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	37	18	$172.00	$158.00
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$219.00	$67.00
27447 Replacement of knee joint, both sides of knee	12	11	$4231.00	$206.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	21	21	$4099.00	$27.47
29827 Repair of shoulder rotator cuff using an endoscope	18	18	$6191.00	$160.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	31	31	$4099.00	$27.68
29827 Repair of shoulder rotator cuff using an endoscope	27	27	$6191.00	$160.73
20610 Aspiration and/or injection of fluid from large joint	17	12	$120.00	$44.24
29824 Partial removal of collar bone at shoulder using an endoscope	16	16	$3892.00	$46.75

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085.005063

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

41968400 (WI)

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

1000 Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8472345600

Northwestern Medical Faculty Foundation

1475 E Belvidere Rd, Grayslake, IL 600302012

Northwestern Medical Faculty Foundation

1000 N Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8475358500

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8472345600

Northwestern Medical Faculty Foundation

1200 N Westmoreland Rd, Lake Forest, IL 600451601

Phone: 8477358500

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451673

Phone: 3129266146

Northwestern Medical Faculty Foundation

600 N Westmoreland Rd, Lake Forest, IL 600451659

Phone: 8475359510

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

30 Associated Practitioners

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Physician Assistant

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Doctor of Medicine (M.D.)

Tracy Healy , OT

Occupational Therapist

NPI 1164981189

Occupational Therapist

Dr. David Chang , DO

Anesthesiology - Pain Medicine

NPI 1225378912

Doctor of Osteopathic Medicine (D.O.)

Laura Bailey , APRN, CNP

Nurse Practitioner - Family

NPI 1265885651

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events

📍

Updated Practice Location June 26, 2019

Registered at 1000 N WESTMORELAND RD FL 3, LAKE FOREST, IL 600451658 (Tel: 8475358500)

👤

Provider Name / Credentials Updated June 26, 2019

Recorded as KARLA STEWART, PA-C

📍

Updated Practice Location September 07, 2018

Registered at 1200 N WESTMORELAND RD STE 100, LAKE FOREST, IL 60045 (Tel: 8475356557)

📍

Updated Business Mailing Address September 07, 2018

Registered at 307 GREENVIEW LN, LAKE VILLA, IL 600466460 (Tel: 8473223423)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 07, 2018

Physician Assistant (License #085.005063 in IL)

✅

NPI Profile Active February 11, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location February 11, 2013

Registered at 6308 8TH AVE, SUITE 1020, KENOSHA, WI 531435031 (Tel: 2626563150)

📍

Updated Business Mailing Address February 11, 2013

Registered at 6308 8TH AVE, SUITE 1020, KENOSHA, WI 531435031 (Tel: 2626563150)

👤

Provider Name / Credentials Updated February 11, 2013

Recorded as KARLA STEWART, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 11, 2013

Physician Assistant (License #1502023 in WI)

🟢

Initial NPI Registration & Enumeration November 08, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1598746521

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: November 08, 2005

Last Update: June 26, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

307 Greenview Ln

Lake Villa, IL 600466460

Phone: 8473223423

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.