Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARK WILLIAM COHEN PH.D.
NPI 1225018187
Psychologist - Clinical in Cincinnati, OH

Active since January 18, 2006Opted out of Medicare · through Jan 1, 2028
48 E HOLLISTER ST, CINCINNATI, OH 45219(513) 651-5605 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Mark William Cohen Ph.d. NPPES

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

DR. MARK WILLIAM COHEN PH.D. (NPI 1225018187) is an individual clinical provider in Cincinnati, Ohio, licensed in Ohio (3419) and active in the NPI registry since January 2006. He has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1225018187
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARK WILLIAM COHENCredential: PH.D.
Location Address48 E HOLLISTER STCincinnati, OH 45219-1704
Mailing Address503 N Fort Thomas AveFort Thomas, KY 41075-1505 · (859) 781-4205
Sole ProprietorNo
Enumeration DateJanuary 18, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1225018187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in OH · 3419
Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

48 E HOLLISTER ST, Cincinnati, OH 45219

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Mark William Cohen Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2016 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2016
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 5

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

Psychologist
48 E HOLLISTER ST, SUITE 100
CINCINNATI, OH 45219
Social Worker (Clinical)
48 E HOLLISTER ST
CINCINNATI, OH 45219
Psychologist (Clinical)
48 E HOLLISTER ST
CINCINNATI, OH 45219
Psychologist (Counseling)
48 E HOLLISTER ST
CINCINNATI, OH 45219
Counselor (Professional)
48 E HOLLISTER ST
CINCINNATI, OH 45219

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225018187, enumerated as an "individual" on January 18, 2006.

The provider is located at 48 E HOLLISTER ST CINCINNATI, OH 45219 and the phone number is (513) 651-5605.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.