DR. MARK E KAPLAN MD
NPI 1861591661
Allergy & Immunology in Gurnee, IL

Q: What is Mark Kaplan's NPI number?

The NPI number for Mark Kaplan is 1861591661. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Q: What is Mark Kaplan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Kaplan was last updated on September 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since September 21, 2006PECOS Enrolled

36100 N BROOKSIDE DR STE 203, GURNEE, IL 60031(847) 855-1570(847) 855-1890 Get Directions Write a Review

NPPES record last updated: September 9, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 9, 2022, Dec 9, 2021, Oct 13, 2020 (3 updates tracked since 2020).

On this page

About Dr. Mark E Kaplan Md NPPES

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

DR. MARK E KAPLAN MD (NPI 1861591661) is an individual allergy & immunology provider in Gurnee, Illinois, licensed in Illinois (036077766) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Libertyville.

NPPES Registry Identity

NPI1861591661

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDR. MARK E KAPLANCredential: MD

Location Address36100 N BROOKSIDE DR STE 203Gurnee, IL 60031-4573

Mailing Address9800 Shelbyville Rd, Ste 220Louisville, KY 40223-2992 · (502) 429-8585 · Fax (855) 656-7325

Phone(847) 855-1570

Fax(847) 855-1890

Sole ProprietorYes

Enumeration DateSeptember 21, 2006

Last NPPES UpdateSeptember 9, 20223 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2022

✔ NPI 1861591661 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 · 036077766

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 ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License 036077766 (IL)

36100 N BROOKSIDE DR STE 203, Gurnee, IL 60031

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Secondary Practice Location 1

Location 11800 Hollister Dr Ste 210Libertyville, IL 60048-5266 · Phone (847) 549-7711 · Fax (847) 549-1020

Other Identifiers 3

Other04900809IL · Bcbs Provider Id

Other030004998IL · Rr Medicare Provider Id

Medicaid036077766 2IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark E Kaplan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mark Kaplan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psf PLLC

313 mi

Allergy & Immunology

9800 SHELBYVILLE RD, STE 220
Louisville, KY 40223

Reassigned Medicare billing, Illinois enrollment
3 clinicians in this Medicare group

NPI 1881785947 (502) 429-8585

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 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.

3,536 services47 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.

591 services33 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.

350 services19 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.

281 services23 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.

162 services125 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

84 services67 patients

Other Providers at the Same Location NPPES 3

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

ALLERGY & ASTHMA CONSULTANTS, LTD.

Allergy & Immunology (Allergy)

36100 N BROOKSIDE DR STE 203
GURNEE, IL 60031

Lake County (847) 855-1570

JOSHUA ROBERT BROWNELL MD

Allergy & Immunology

36100 N BROOKSIDE DR STE 203
GURNEE, IL 60031

Lake County (847) 855-1570

MS. SANDRA N DENMAN PA-C

Physician Assistant

36100 N BROOKSIDE DR STE 203
GURNEE, IL 60031

Lake County (847) 855-1570

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 Mark Kaplan's NPI number?

The NPI number for Mark Kaplan is 1861591661. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Where is Mark Kaplan located?

Mark Kaplan practices at 36100 N Brookside Dr Ste 203, Gurnee, IL 60031. The listed phone number is (847) 855-1570.

What is Mark Kaplan's specialty?

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

Is Mark Kaplan enrolled in Medicare?

Yes. Mark Kaplan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Kaplan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kaplan reassigns Medicare benefits to Psf PLLC (Louisville, KY). 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 Mark Kaplan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Kaplan was last updated on September 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.