NPPES file of Aug 9, 2026

Mark D. Hammerly, PH.D.

Clinical Psychologist · Liberty Township, OH

Mark D. Hammerly, PH.D. is a clinical psychologist with a practice address in Liberty Township, Ohio, and NPI 1144604174, issued on Jul 20, 2015. Check the license (Ohio 6049, 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
1144604174
Name
Mark D. Hammerly
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
6049 OH
Self-reported in NPPES; status is on the state search
Practice location
7999 Trinity Shore Cir, Liberty Township, OH 45044
Phone
(513) 779-2906
Enumerated
Jul 20, 2015
Record last updated
Jun 21, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(513) 779-2906
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mark D. Hammerly 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 6049
    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

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Mark D. Hammerly among 1,581 clinical psychologist records in Ohio

Mark D. Hammerly, PH.D. is one of 1,581 clinical psychologist records with a practice address in Ohio. 19% 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 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 22% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 28% of these records are
  • Record last updated2016 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Ohio

There are 1,581 clinical psychologist records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Robert Basil, PSYDMiddletown, OH 450441164487138
  2. Shelly Jebens, PSYDLiberty Township, OH 450441689681090
  3. Stephen Billmann, PSYDMason, OH 450401003207846
  4. Nicole Bosse, PSYDMason, OH 450401962869164
  5. Judith Condit, PSY.D.Mason, OH 450401528277456
  6. Lindsey Conover, PHDMason, OH 450401164195343
  7. Vanessa Davidson, PSY.DMason, OH 450401306015391
  8. Candace Johnson, PH.D.Mason, OH 450401215221486

Common questions

What is Mark D. Hammerly, PH.D.'s NPI number?

Mark D. Hammerly, PH.D.'s National Provider Identifier (NPI) is 1144604174, issued on Jul 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Hammerly, PH.D. located?

The NPPES record lists a practice address at 7999 Trinity Shore Cir, Liberty Township, OH, 45044. Phone: (513) 779-2906. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Hammerly, PH.D.'s license?

NPPES lists Ohio license number 6049, 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.

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.