1. Home
  2. Directory
  3. Illinois
  4. Glenview
  5. Allergy Immunology
  6. NPI Profile

KAREN A JACKSON MD
NPI 1346384534
Allergy & Immunology in Glenview, IL

Active since February 19, 2007PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
2050 PFINGSTEN RD., SUITE 320, GLENVIEW, IL 60026(847) 998-4170(847) 998-4165 Get Directions Write a Review

NPPES record last updated: November 6, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karen A Jackson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN A JACKSON MD (NPI 1346384534) is an individual allergy & immunology provider in Glenview, Illinois, licensed in Illinois (036084365) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Lombard.

NPPES Registry Identity

NPI1346384534
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameKAREN A JACKSONCredential: MD
Location Address2050 PFINGSTEN RD., SUITE 320Glenview, IL 60026
Mailing Address2050 Pfingsten Rd., Suite 320Glenview, IL 60026-1324 · (847) 998-4170 · Fax (847) 998-4165
Phone(847) 998-4170
Fax(847) 998-4165
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateFebruary 19, 2007
Last NPPES UpdateNovember 6, 2018
✔ NPI 1346384534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in IL · 036084365
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License 036084365 (IL)
2050 PFINGSTEN RD., Glenview, IL 60026
Open in Google Maps ↗

Secondary Practice Location 1

Location 1130 S Main St, Suite 202Lombard, IL 60148-2670 · Phone (630) 652-0606 · Fax (630) 652-9900

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen A Jackson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557499563
PECOS Enrollment IDI20100512001007
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karen Jackson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
8.9 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
107 services69 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
70 services43 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
59 services44 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
38 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
18 services18 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
2 suppliers18 claims18 services$17.36 avg. paid by Medicare
Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers18 claims5,400 services$12.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOHN C EVANS M.D.
Family Medicine
2050 PFINGSTEN RD., SUITE 200
GLENVIEW, IL 60026
Cook County (847) 998-4100
JESSICA T. CREMIEUX APN-CNP
Nurse Practitioner
2050 PFINGSTEN RD., SUITE 330
GLENVIEW, IL 60026
Cook County (847) 570-2450

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Jackson's NPI number?

The NPI number for Karen Jackson is 1346384534. It was assigned to this individual provider in the NPPES registry on February 19, 2007.

Where is Karen Jackson located?

Karen Jackson practices at 2050 Pfingsten Rd. Suite 320, Glenview, IL 60026. The listed phone number is (847) 998-4170.

What is Karen Jackson's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Karen Jackson enrolled in Medicare?

Yes. Karen Jackson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Karen Jackson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Jackson reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Jackson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Jackson accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Karen Jackson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Jackson affiliated with any hospitals?

According to CMS data, Karen Jackson is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Karen Jackson was last updated on November 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.