NPPES file of Aug 9, 2026

Mathew Loesch, D.O.

Dermatology Physician · Lombard, IL

Mathew Loesch, D.O. is a dermatology physician with a practice address in Lombard, Illinois, and NPI 1720490451, issued on May 29, 2014. Check the license (Illinois 036148216, 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
1720490451
Name
Mathew Loesch
Credential
D.O.
Primary taxonomy
Dermatology Physician 207N00000X
License number
036148216 IL
Self-reported in NPPES; status is on the state search
Practice location
1801 S Highland Ave Ste L40, Lombard, IL 60148
Phone
(630) 286-5050
Enumerated
May 29, 2014
Record last updated
Aug 10, 2023
Medicare enrollment
Enrolled (PECOS I20190402002255); accepts Medicare assignment
Medical or professional school
Arizona College Of Osteopathic Medicine Mid Western University, 2013
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 1801 S Highland Ave Ste L40

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

  1. Matthew Campos, FNP-BCNurse Practitioner1386099448
  2. Mary Francine Chua, M.D., M.B.A.Infectious Disease Physician1568844827
  3. Mohmmad Hajjiri, M.D.Infectious Disease Physician1972786465
  4. Hubert Lin, FNP-C, APNNurse Practitioner1659702595
  5. Deborah Rogoz, FNP-BCFamily Nurse Practitioner1346782877
  6. Amber Schwarzinger, FNPNurse Practitioner1366059446

Verify Mathew Loesch 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 036148216
    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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11% more Medicare Part D claims than the average dermatology physician in 2024

881 Medicare Part D claims for 395 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Mathew Loesch881
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide136 claims
  2. Ketoconazole85 claims
  3. Clobetasol Propionate76 claims
  4. Doxycycline Hyclate74 claims
  5. Mupirocin70 claims
  6. Cephalexin46 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: $294.00

9 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mathew Loesch$294.00
  2. Specialty average$8,544.61

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. Dupage Medical Group LtdLombard, IL

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

Mathew Loesch among 647 dermatology physician records in Illinois

Mathew Loesch, D.O. is one of 647 dermatology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 63% of them.

  • NPI issued2014 · 63% of these records are older, 35% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2013 · median 2008 among the 440 with a school on file
  • Record last updated2023 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Illinois

There are 647 dermatology physician records in Illinois.

The 8 dermatology physician records with the nearest ZIP codes

  1. Sabrina BennettLombard, IL 601481376170738
  2. Nancy Lichon, M.D.Lombard, IL 601481043361728
  3. Toral Patel, MDLombard, IL 601481346409919
  4. Michael Schowalter, M.D.Lombard, IL 601481780028332
  5. Sangeetha Venkatarajan, MDLombard, IL 601481619295953
  6. Michael Welsch, MDLombard, IL 601481932175767
  7. Nour Al-Hadidi, MDItasca, IL 601431285014860
  8. Kyle Bhatia, MDItasca, IL 601431942838289

Common questions

What is Mathew Loesch, D.O.'s NPI number?

Mathew Loesch, D.O.'s National Provider Identifier (NPI) is 1720490451, issued on May 29, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mathew Loesch, D.O. located?

The NPPES record lists a practice address at 1801 S Highland Ave Ste L40, Lombard, IL, 60148. Phone: (630) 286-5050. Providers update this record themselves, so call before visiting.

How can I verify Mathew Loesch, D.O.'s license?

NPPES lists Illinois license number 036148216, 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 Mathew Loesch, D.O. prescribe under Medicare Part D?

In 2024, Mathew Loesch, D.O. had 881 Medicare Part D claims for 395 beneficiaries; the average among dermatology physician prescribers was 797. 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.