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DR. KATHERINE GEHLMANN CONNER M.D.
NPI 1720216120
Allergy & Immunology in Park Ridge, IL

Active since June 24, 2009PECOS EnrolledAccepts Medicare Assignment
2604 DEMPSTER ST STE 204, PARK RIDGE, IL 60068(847) 635-7300(847) 635-7556 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Oct 18, 2023, May 2, 2022, Dec 23, 2021 and 2 more (5 updates tracked since 2015).

About Dr. Katherine Gehlmann Conner M.d. NPPES

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

DR. KATHERINE GEHLMANN CONNER M.D. (NPI 1720216120) is an individual allergy & immunology provider in Park Ridge, Illinois, licensed in Illinois (036.129920) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Rush Medical College Of Rush University (2009).

NPPES Registry Identity

NPI1720216120
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. KATHERINE GEHLMANN CONNERCredential: M.D.
Location Address2604 DEMPSTER ST STE 204Park Ridge, IL 60068-8426
Mailing AddressPo Box 603725Charlotte, NC 28260-3725 · (828) 575-2625 · Fax (828) 350-2174
Phone(847) 635-7300
Fax(847) 635-7556
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2009
Enumeration DateJune 24, 2009
Last NPPES UpdateJuly 23, 20255 updates tracked since enumeration
NPPES CertifiedJuly 23, 2025
✔ NPI 1720216120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in IL · 036.129920
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.
2604 DEMPSTER ST STE 204, Park Ridge, IL 60068
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Other Identifiers 3

OtherF400166787IL · Medicare Ptan
Medicaid36129920IL
OtherF400166785IL · Medicare Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine Gehlmann Conner M.d. 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 ID3577783000
PECOS Enrollment IDI20141006001668
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.

Areas of Expertise CMS Part B claims 9

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.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
1,398 services40 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
1,131 services52 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
558 services72 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
172 services12 patients
Professional service for single injection of allergen 95115
A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.
163 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
109 services77 patients

Hospital Affiliations CMS Care Compare

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

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 3

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
1 supplier12 claims24 services$18.32 avg. paid by Medicare
Injection, immune globulin (cuvitru), 100 mg J1555
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier12 claims4,800 services$11.70 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
1 supplier12 claims52 services$2.36 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 4

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

ALLERGY PARTNERS, PLLC
Allergy & Immunology
2604 DEMPSTER ST STE 204
PARK RIDGE, IL 60068
Cook County (847) 635-7300
RICKY D SHAPIRO PA C
Physician Assistant
2604 DEMPSTER ST STE 204
PARK RIDGE, IL 60068
Cook County (847) 635-7300
WAHEEDA M HIRANI MD
Allergy & Immunology
2604 DEMPSTER ST STE 204
PARK RIDGE, IL 60068
Cook County (847) 635-7300
SOL DRAPKIN MD
Allergy & Immunology
2604 DEMPSTER ST STE 204
PARK RIDGE, IL 60068
Cook County (847) 635-7300

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 Katherine Conner's NPI number?

The NPI number for Katherine Conner is 1720216120. It was assigned to this individual provider in the NPPES registry on June 24, 2009.

Where is Katherine Conner located?

Katherine Conner practices at 2604 Dempster St Ste 204, Park Ridge, IL 60068. The listed phone number is (847) 635-7300.

What is Katherine Conner's specialty?

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

Is Katherine Conner enrolled in Medicare?

Yes. Katherine Conner 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.

What insurance does Katherine Conner accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and Oscar Health Plan of North Carolina, Inc list Katherine Conner 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 Katherine Conner affiliated with any hospitals?

According to CMS data, Katherine Conner is affiliated with Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Katherine Conner was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.