John Koh, PSY.D
NPI 1720453160 · Clinical Psychologist · Evanston, IL
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Koh, PSY.D is a Clinical Psychologist provider in Evanston, IL (NPI 1720453160).
Provider details
- NPI number
- 1720453160
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 071009191 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-12-10
- Last updated
- 2015-12-23
Frequently asked questions
- What is John Koh's NPI number?
- John Koh's National Provider Identifier (NPI) is 1720453160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Koh's specialty?
- John Koh is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Koh located?
- John Koh's practice location on file with NPPES is 708 Church St, Evanston, IL 60201-3875.
- What is John Koh's phone number?
- The practice phone number listed in the NPPES registry for John Koh is (773) 234-9447.
- Does John Koh accept Medicare?
- John Koh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Koh's NPI active?
- Yes — John Koh's NPI (1720453160) is active in the NPPES registry as of the last update on 2015-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.