NPPES file of Aug 9, 2026

Derek Richard Hopko, PHD

Clinical Psychologist · Knoxville, TN

Derek Richard Hopko, PHD is a clinical psychologist with a practice address in Knoxville, Tennessee, and NPI 1336251438, issued on Aug 31, 2006. Check the license (Tennessee P2443, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1336251438
Name
Derek Richard Hopko
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
P2443 TN
Self-reported in NPPES; status is on the state search
Practice location
121 N Concord St, Knoxville, TN 37919
Phone
(865) 673-6741
Enumerated
Aug 31, 2006
Record last updated
Nov 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(865) 673-6634
Medicare enrollment
Enrolled (PECOS I20070222000762); accepts Medicare assignment
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.
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8 nearest clinical psychologist records → All 795 in Tennessee → Look up another NPI →

Also registered at 121 N Concord St

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

  1. Mary Suzanne Biggs, FNP-CFamily Nurse Practitioner1508913237
  2. Paul Fisher, PH.D.Clinical Psychologist1124125034

Verify Derek Richard Hopko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license P2443    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 Tennessee 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.

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Bills Medicare through 2 group practices

  1. BH Services Southeast 1 PCAlamo, TN
  2. Ipc Pac Healthcare Services OF Tennessee PCKnoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derek Richard Hopko among 795 clinical psychologist records in Tennessee

Derek Richard Hopko, PHD is one of 795 clinical psychologist records with a practice address in Tennessee. 13% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 64% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 23% of these records are
  • Graduated2000 · median 1998 among the 184 with a school on file
  • Record last updated2015 · 68% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Tennessee

There are 795 clinical psychologist records in Tennessee.

All 795 in Tennessee → Every provider in Knoxville → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Regina Austin, PH.D.Knoxville, TN 379191992701577
  2. H Abraham Brietstein, LICKnoxville, TN 379191205860350
  3. Nancy Brown, PH.D.Knoxville, TN 379191265499750
  4. Gregory Foreman, PH.D.Knoxville, TN 379191528099918
  5. Michael Hawthorne, PHDKnoxville, TN 379191063427821
  6. C Hulse, PHDKnoxville, TN 379191699706291
  7. Edgar Jessee, PH.D.Knoxville, TN 379191760496624
  8. Karen Josvanger, PH.D.Knoxville, TN 379191386671675

Common questions

What is Derek Richard Hopko, PHD's NPI number?

Derek Richard Hopko, PHD's National Provider Identifier (NPI) is 1336251438, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Derek Richard Hopko, PHD located?

The NPPES record lists a practice address at 121 N Concord St, Knoxville, TN, 37919. Phone: (865) 673-6741. Providers update this record themselves, so call before visiting.

How can I verify Derek Richard Hopko, PHD's license?

NPPES lists Tennessee license number P2443, as entered by the provider. Search the Tennessee 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.

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.