Mark E. Kaplan, MD
Allergy & Immunology Physician · Gurnee, IL
Mark E. Kaplan, MD is an allergy & immunology physician with a practice address in Gurnee, Illinois, and NPI 1861591661, issued on Sep 21, 2006. Check the license (Illinois 036077766, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark E. Kaplan
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 036077766 IL
Self-reported in NPPES; status is on the state search - Practice location
- 36100 N Brookside Dr Ste 203, Gurnee, IL 60031
- Phone
- (847) 855-1570
- Enumerated
- Sep 21, 2006
- Record last updated
- Sep 9, 2022
- Fax
- (847) 855-1890
- Medicaid ID
- 036077766 2 IL
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 162 in Illinois → Look up another NPI →
Also registered at 36100 N Brookside Dr Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua Brownell, MDAllergy & Immunology Physician1538699723
- Sandra Denman, PA-CPhysician Assistant1740389493
Verify Mark E. Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036077766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,246 Medicare Part D claims for 204 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Azelastine Hcl161 claims
- Ipratropium Bromide160 claims
- Montelukast Sodium125 claims
- Albuterol Sulfate Hfa75 claims
- Gabapentin69 claims
- Levocetirizine Dihydrochloride61 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.
Industry payments in 2024: $2,074.33
85 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark E. Kaplan among 162 allergy & immunology physician records in Illinois
Mark E. Kaplan, MD is one of 162 allergy & immunology physician records with a practice address in Illinois. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 48% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Illinois
There are 162 allergy & immunology physician records in Illinois.
All 162 in Illinois → Every provider in Gurnee → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Joshua Brownell, MDGurnee, IL 600311538699723
- Amy Thomas, M.D.Gurnee, IL 600311134359862
- Joel Klein, M.D.Highland Park, IL 600351770566820
- Lisa Sullivan, M.D.Highland Park, IL 600351386650273
- Evelyn Angulo, M.D.Glenview, IL 600261184967770
- Yasmeen Bilimoria, MDGlenview, IL 600261780636662
- Karen Jackson, MDGlenview, IL 600261346384534
- Julie Kim, M.D.Glenview, IL 600261336460146
Common questions
What is Mark E. Kaplan, MD's NPI number?
Mark E. Kaplan, MD's National Provider Identifier (NPI) is 1861591661, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark E. Kaplan, MD located?
The NPPES record lists a practice address at 36100 N Brookside Dr Ste 203, Gurnee, IL, 60031. Phone: (847) 855-1570. Providers update this record themselves, so call before visiting.
How can I verify Mark E. Kaplan, MD's license?
NPPES lists Illinois license number 036077766, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark E. Kaplan, MD prescribe under Medicare Part D?
In 2024, Mark E. Kaplan, MD had 1,246 Medicare Part D claims for 204 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
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.