Quick answers
- Where does John Koh see patients?
- Medicare's clinician data lists 1 practice location in Evanston, IL. Call before your visit to confirm the address.
- What is John Koh's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does John Koh accept Medicare assignment?
- Yes. Medicare's clinician data says John Koh 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 John Koh?
- (847) 868-0310, as listed in official Medicare / NPI Registry data.
- What is John Koh's NPI number?
- 1720453160. 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 John Koh is enrolled with Medicare (CMS data updated 2026-10-02).
- 708 Church St, Suite 216Evanston, IL 60201 (847) 868‑0310
Group practices
Medicare enrollment lists John Koh as a member of this group (CMS data updated 2026-10-02).
- Nicholas Dunkas MD and Associates3 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Evanston
Clinicians with the same Medicare primary specialty in Evanston, IL — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720453160 |
| 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