Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JOHN MARK WILLIAMS
NPI 1225943855
Psychologist - School in Urbana, OH

Active since August 18, 2026
2200 S US HIGHWAY 68, URBANA, OH 43078(937) 207-6842 Get Directions Write a Review

NPPES record added: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About John Mark Williams NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MARK WILLIAMS (NPI 1225943855) is an individual school provider in Urbana, Ohio, licensed in Ohio (CL1009918) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1225943855
Entity TypeIndividualMale
Primary Taxonomy103TS0200X
Provider Legal NameJOHN MARK WILLIAMS
Location Address2200 S US HIGHWAY 68Urbana, OH 43078-9470
Mailing Address6504 Fletcher Chapel RdSouth Charleston, OH 45368-7701 · (937) 207-6842
Sole ProprietorYes
Enumeration DateAugust 18, 2026
NPPES CertifiedAugust 18, 2026
NPI 1225943855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · SchoolBehavioral Health & Social Service Providers
Taxonomy Code103TS0200X
License Licensed in OH · CL1009918
Definition
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development
2200 S US HIGHWAY 68, Urbana, OH 43078

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Speech-Language Pathologist
2200 S US HIGHWAY 68
URBANA, OH 43078
Psychiatry & Neurology (Psychiatry)
2200 S US HIGHWAY 68
URBANA, OH 43078
Speech-Language Pathologist
2200 S US HIGHWAY 68
URBANA, OH 43078
Psychologist (School)
2200 S US HIGHWAY 68
URBANA, OH 43078
Occupational Therapist
2200 S US HIGHWAY 68
URBANA, OH 43078
Psychologist (School)
2200 S US HIGHWAY 68
URBANA, OH 43078
Psychologist (School)
2200 S US HIGHWAY 68
URBANA, OH 43078
Speech-Language Pathologist
2200 S US HIGHWAY 68
URBANA, OH 43078

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Williams's NPI number?

The NPI number for John Williams is 1225943855. It was assigned to this individual provider in the NPPES registry on August 18, 2026.

Where is John Williams located?

John Williams practices at 2200 S Us Highway 68, Urbana, OH 43078. The listed phone number is (937) 207-6842.

What is John Williams's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in School, with taxonomy code 103TS0200X.

When was this NPI record last updated?

The NPPES record for John Williams was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.