NPPES file of Aug 9, 2026

Eric J. Munn, M.D.

Rheumatology Physician · Naperville, IL

Eric J. Munn, M.D. is a rheumatology physician with a practice address in Naperville, Illinois, and NPI 1659336063, issued on Apr 19, 2006. Check the license (Illinois 036103765, 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
1659336063
Name
Eric J. Munn
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
036103765 IL
36-103765 IL
Self-reported in NPPES; status is on the state search
Practice location
1020 E Ogden Ave Ste 304, Naperville, IL 60563
Phone
(630) 268-0200
Enumerated
Apr 19, 2006
Record last updated
Aug 16, 2023
Medicaid ID
036103765 IL
Medicare enrollment
Enrolled (PECOS I20061205000175); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
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 1020 E Ogden Ave Ste 304

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

  1. Michael Sams, M.D., P.T.Rheumatology Physician1346232048

Verify Eric J. Munn 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 036103765
    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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28% more Medicare Part D claims than the average rheumatology physician in 2024

2,531 Medicare Part D claims for 465 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Eric Munn2,531
  2. Specialty average1,978

Most prescribed

  1. Prednisone489 claims
  2. Methotrexate302 claims
  3. Leflunomide300 claims
  4. Hydroxychloroquine Sulfate256 claims
  5. Allopurinol231 claims
  6. Sulfasalazine205 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: $316.04

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Munn$316.04
  2. Specialty average$8,538.33

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 LtdPlainfield, IL

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

Eric J. Munn among 340 rheumatology physician records in Illinois

Eric J. Munn, M.D. is one of 340 rheumatology physician records with a practice address in Illinois. 83% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1992 · median 2003 among the 244 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Illinois

There are 340 rheumatology physician records in Illinois.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Brinda Joshi, DONaperville, IL 605631134390750
  2. Michael Sams, M.D., P.T.Naperville, IL 605631346232048
  3. Carmelita Colbert, MDWestmont, IL 605591720206790
  4. Lee Graham, M.D.Westmont, IL 605591619932027
  5. Albert Iammartino, M.D.Westmont, IL 605591699730184
  6. Darcy Majka, MDWestmont, IL 605591831206580
  7. Mahum Mirza, DOWestmont, IL 605591992333686
  8. Nicole Richman, M.D.Westmont, IL 605591841451747

Common questions

What is Eric J. Munn, M.D.'s NPI number?

Eric J. Munn, M.D.'s National Provider Identifier (NPI) is 1659336063, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric J. Munn, M.D. located?

The NPPES record lists a practice address at 1020 E Ogden Ave Ste 304, Naperville, IL, 60563. Phone: (630) 268-0200. Providers update this record themselves, so call before visiting.

How can I verify Eric J. Munn, M.D.'s license?

NPPES lists Illinois license number 036103765, 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 Eric J. Munn, M.D. prescribe under Medicare Part D?

In 2024, Eric J. Munn, M.D. had 2,531 Medicare Part D claims for 465 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.