NPPES file of Aug 9, 2026

Mark S. Juhn, D.O.

Sports Medicine (Family Medicine) Physician · Naperville, IL

Mark S. Juhn, D.O. is a sports medicine (family medicine) physician with a practice address in Naperville, Illinois, and NPI 1548399496, issued on Mar 5, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1548399496
Name
Mark S. Juhn
Credential
D.O.
Primary taxonomy
Sports Medicine (Family Medicine) Physician 207QS0010X
License numbers
78031 MA
20A6719 CA
OP1527 WA
Self-reported in NPPES; status is on the state search
Practice location
2507 Dewes LN, Naperville, IL 60564
Phone
(630) 428-7842
Enumerated
Mar 5, 2007
Record last updated
Sep 11, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest sports medicine (family medicine) physician records → All 121 in Illinois → Look up another NPI →

Verify Mark S. Juhn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Mark S. Juhn among 121 sports medicine (family medicine) physician records in Illinois

Mark S. Juhn, D.O. is one of 121 sports medicine (family medicine) physician records with a practice address in Illinois. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 23% of them.

  • NPI issued2007 · 23% of these records are older, 64% newer
  • In a Medicare fileNo · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 79% of these records are
  • Record last updated2025 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Family Medicine) Physician providers in Illinois

There are 121 sports medicine (family medicine) physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 121 in Illinois → Every provider in Naperville → Sports Medicine (Family Medicine) Physician nationwide →

The 8 sports medicine (family medicine) physician records with the nearest ZIP codes

  1. Deepak Patel, MDYorkville, IL 605601457346074
  2. Ketan Mody, M.D.Westmont, IL 605591659562585
  3. Ryan Taylor, D.O.Westmont, IL 605591639566375
  4. Brian Babka, MDWarrenville, IL 605551881688638
  5. Matthew Gimre, MDWarrenville, IL 605551154310365
  6. Ima Jonkheer, D.O.Naperville, IL 605401215478466
  7. Michael Kimes, M.D.Naperville, IL 605401548616857
  8. Lori Turnock, D.O.Hinsdale, IL 605211881889616

Common questions

What is Mark S. Juhn, D.O.'s NPI number?

Mark S. Juhn, D.O.'s National Provider Identifier (NPI) is 1548399496, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Juhn, D.O. located?

The NPPES record lists a practice address at 2507 Dewes LN, Naperville, IL, 60564. Phone: (630) 428-7842. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Juhn, D.O.'s license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.