Quick answers
- Where does Nicolai Kessler see patients?
- Medicare's clinician data lists 4 practice locations, including Barrington, IL, McHenry, IL and Crystal Lake, IL. Call before your visit to confirm the address.
- What is Nicolai Kessler's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Nicolai Kessler accept Medicare assignment?
- Yes. Medicare's clinician data says Nicolai Kessler 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 Nicolai Kessler?
- (847) 381-8899, as listed in official Medicare / NPI Registry data.
- What is Nicolai Kessler's NPI number?
- 1346878774. 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 Nicolai Kessler is enrolled with Medicare (CMS data updated 2026-10-02).
- 1531 S Grove Ave, Unit 101Barrington, IL 60010 (847) 381‑8899
- 353 Bank Dr, Suite 400McHenry, IL 60050 (847) 381‑8899
- 525 E Congress Pkwy, Suite 200Crystal Lake, IL 60014 (847) 381‑8899
- 750 W Lake Cook Rd, Suite 270Buffalo Grove, IL 60089 (847) 381‑8899
Group practices
Medicare enrollment lists Nicolai Kessler as a member of this group (CMS data updated 2026-10-02).
- Derick Dermatology PLLC65 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Barrington
Clinicians with the same Medicare primary specialty in Barrington, IL — not a recommendation.
Clinician information
| Medical school | University Of Wisconsin School Of Medicine |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346878774 |
| 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