Quick answers
- Where does James Quertermous see patients?
- Medicare's clinician data lists 2 practice locations, including Naperville, IL and Hoffman Estates, IL. Call before your visit to confirm the address.
- What is James Quertermous's specialty?
- Medicare lists Micrographic Dermatologic Surgery (MDS) as the primary specialty, and also Dermatology.
- Does James Quertermous accept Medicare assignment?
- Yes. Medicare's clinician data says James Quertermous accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James Quertermous?
- (630) 596-8045, as listed in official Medicare / NPI Registry data.
- What is James Quertermous's NPI number?
- 1184919508. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where James Quertermous is enrolled with Medicare (CMS data updated 2026-10-02).
- 1331 W 75th St, Suite 402Naperville, IL 60540 (630) 596‑8045
- 4885 Hoffman BlvdHoffman Estates, IL 60192 (224) 484‑0183
Group practices
Medicare enrollment lists James Quertermous as a member of these groups (CMS data updated 2026-10-02).
- Basko Dermatology, LLC9 clinicians in the group
- Beaird Dermatology SC6 clinicians in the group
Specialties
Find other Micrographic Dermatologic Surgery (MDS) doctors in Illinois →
Other dermatologic surgeons in Naperville
Clinicians with the same Medicare primary specialty in Naperville, IL — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184919508 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians