NPPES file of Aug 9, 2026

Colleen Plein, M.D.

Otolaryngology Physician · Libertyville, IL

Colleen Plein, M.D. is an otolaryngology physician with a practice address in Libertyville, Illinois, and NPI 1114248028, issued on Jun 15, 2010. Check the license (Illinois 36136710, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114248028
Name
Colleen Plein
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
36136710 IL
Self-reported in NPPES; status is on the state search
Practice location
114 W Rockland RD, Libertyville, IL 60048
Phone
(847) 353-8802
Enumerated
Jun 15, 2010
Record last updated
Apr 9, 2026
Fax
(866) 700-1910
Medicare enrollment
Enrolled (PECOS I20150925000430); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 114 W Rockland RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jill Green, MDFamily Medicine Physician1972730059
  2. Ray Helms, M.D.Cardiovascular Disease Physician1316086879
  3. Clare Kasemeier, LCSWClinical Social Worker1083739171
  4. Brian Malinowski, LMFTMarriage & Family Therapist1710905286
  5. Raed Rtail, SA-C, RSASurgical Assistant1124392964
  6. Mishail Shapiro, D.O.Otolaryngology Physician1518932227

Verify Colleen Plein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 36136710
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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68% fewer Medicare Part D claims than the average otolaryngology physician in 2024

175 Medicare Part D claims for 63 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Colleen Plein175
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate49 claims
  2. Ipratropium Bromide44 claims
  3. Dupixent Pen15 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: $7,761.26

72 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Colleen Plein$7,761.26
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ear Nose And Throat Family Clinic OF Wisconsin SCMount Prospect, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Colleen Plein among 482 otolaryngology physician records in Illinois

Colleen Plein, M.D. is one of 482 otolaryngology physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.

  • NPI issued2010 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2010 · median 2005 among the 290 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Illinois

There are 482 otolaryngology physician records in Illinois.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Angelique Cohen, M.D.Libertyville, IL 600481205926359
  2. Rebecca Kennedy, MDLibertyville, IL 600481669582581
  3. Mishail Shapiro, D.O.Libertyville, IL 600481518932227
  4. Allen Carlins, M.D.Lake Forest, IL 600451073547469
  5. Landon Duyka, M.D.Lake Forest, IL 600451194921924
  6. Alan Freint, M.D.Lake Forest, IL 600451174501514
  7. Alex Labby, MDLake Forest, IL 600451639502560
  8. Keith Leitzen, M.D.Lake Forest, IL 600451174754139

Common questions

What is Colleen Plein, M.D.'s NPI number?

Colleen Plein, M.D.'s National Provider Identifier (NPI) is 1114248028, issued on Jun 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Colleen Plein, M.D. located?

The NPPES record lists a practice address at 114 W Rockland RD, Libertyville, IL, 60048. Phone: (847) 353-8802. Providers update this record themselves, so call before visiting.

How can I verify Colleen Plein, M.D.'s license?

NPPES lists Illinois license number 36136710, 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 Colleen Plein, M.D. prescribe under Medicare Part D?

In 2024, Colleen Plein, M.D. had 175 Medicare Part D claims for 63 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.