Mark L. Clark, PHD
Psychologist · Conway, AR
Mark L. Clark, PHD is a psychologist with a practice address in Conway, Arkansas, and NPI 1306921853, issued on Oct 25, 2006. Check the license (Arkansas 89-13P, as entered in NPPES) with the Arkansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark L. Clark
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 89-13P AR
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Ada Ave Ste 302, Conway, AR 72034
- Phone
- (501) 932-0352
- Enumerated
- Oct 25, 2006
- Record last updated
- May 10, 2023
- Fax
- (501) 932-0354
- Medicare enrollment
- Enrolled (PECOS I20040102000233); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 199 in Arkansas → Look up another NPI →
Also registered at 2200 Ada Ave Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Keith Schluterman, M.D.Neurology Physician1053318147
Verify Mark L. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
Search for license 89-13PCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Noydeen Sisters Medical Group And Clinics IncConway, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark L. Clark among 199 psychologist records in Arkansas
Mark L. Clark, PHD is one of 199 psychologist records with a practice address in Arkansas. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 58% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 13% of these records are
- Graduated1989 · median 1997 among the 25 with a school on file
- Record last updated2023 · 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 103T00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Arkansas
There are 199 psychologist records in Arkansas.
All 199 in Arkansas → Every provider in Conway → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Collin Davies, M.A., LPE-IConway, AR 720341033464870
- Chrystal Johnston, PHDConway, AR 720341255564803
- Iryna Kasi, PH.D.Conway, AR 720341396092474
- Mary Lajeunesse, LPEConway, AR 720341649521840
- Melissa Moix, MS, LPE, SPSConway, AR 720341851667349
- Carl Reddig, ED DConway, AR 720341710071949
- Susan Schaefer, PH DConway, AR 720341083716021
- William Siegel, PH.D.Conway, AR 720341265527238
Common questions
What is Mark L. Clark, PHD's NPI number?
Mark L. Clark, PHD's National Provider Identifier (NPI) is 1306921853, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark L. Clark, PHD located?
The NPPES record lists a practice address at 2200 Ada Ave Ste 302, Conway, AR, 72034. Phone: (501) 932-0352. Providers update this record themselves, so call before visiting.
How can I verify Mark L. Clark, PHD's license?
NPPES lists Arkansas license number 89-13P, as entered by the provider. Search the Arkansas 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. Medicare files from data.cms.gov. 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.