NPPES file of Aug 9, 2026

Dennis Andrew Marikis, PHD

Psychologist · Mansfield, OH

Dennis Andrew Marikis, PHD is a psychologist with a practice address in Mansfield, Ohio, and NPI 1184707986, issued on Oct 23, 2006. Check the license (Ohio 3253, as entered in NPPES) with the Ohio board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184707986
Name
Dennis Andrew Marikis
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
3253 OH
Self-reported in NPPES; status is on the state search
Practice location
788 Lexington Ave, Mansfield, OH 44907
Phone
(419) 756-2828
Enumerated
Oct 23, 2006
Record last updated
Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(417) 753-9913
Medicaid ID
0500916 OH
Medicare enrollment
Enrolled (PECOS I20120425000600); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest psychologist records → All 1,529 in Ohio → Look up another NPI →

Also registered at 788 Lexington Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laura Byrom, LSWSocial Worker1730432824
  2. Kari Douglas, LISWClinical Social Worker1114192549
  3. Cynthia Roby, LPCCProfessional Counselor1407178767
  4. Anne Vermillion, LSWSocial Worker1083939953
  5. Julie Weyandt, M.A.Professional Counselor1235383589
  6. Carol Young, M.A., P.C.Professional Counselor1043338403

Verify Dennis Andrew Marikis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license 3253    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Dennis Andrew Marikis among 1,529 psychologist records in Ohio

Dennis Andrew Marikis, PHD is one of 1,529 psychologist records with a practice address in Ohio. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 69% newer
  • In a Medicare fileNo · 18% of these records are
  • In the CMS Doctors and Clinicians fileYes · 26% of these records are
  • Graduated1981 · median 2003 among the 393 with a school on file
  • Record last updated2008 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Ohio

There are 1,529 psychologist records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,529 in Ohio → Every provider in Mansfield → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Blake Wagner, PH.D.Mansfield, OH 449061013069061
  2. David OleskiMansfield, OH 449051346654225
  3. Richard Brunner, PHDWilloughby, OH 449041134220817
  4. Paul Robinson, PH.D.Mansfield, OH 449031811011828
  5. Harold Schroeder, PHDMansfield, OH 449021962411975
  6. Sara IsaacsTiffin, OH 448831487054458
  7. Susan McCafferty, PSY.D.Tiffin, OH 448831063904423
  8. Chelsae SiebenalerTiffin, OH 448831023417904

Common questions

What is Dennis Andrew Marikis, PHD's NPI number?

Dennis Andrew Marikis, PHD's National Provider Identifier (NPI) is 1184707986, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Andrew Marikis, PHD located?

The NPPES record lists a practice address at 788 Lexington Ave, Mansfield, OH, 44907. Phone: (419) 756-2828. Providers update this record themselves, so call before visiting.

How can I verify Dennis Andrew Marikis, PHD's license?

NPPES lists Ohio license number 3253, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.