NPPES file of Aug 9, 2026

Benjamin T. Mast, PH.D.

Clinical Psychologist · Louisville, KY

Benjamin T. Mast, PH.D. is a clinical psychologist with a practice address in Louisville, Kentucky, and NPI 1306011671, issued on Apr 28, 2008. Check the license (Kentucky KY-1464, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306011671
Name
Benjamin T. Mast
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
KY-1464 KY
Self-reported in NPPES; status is on the state search
Practice location
204 E Market St, Louisville, KY 40202
Phone
(502) 588-4340
Enumerated
Apr 28, 2008
Record last updated
May 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081022000626); 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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Also registered at 204 E Market St

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

  1. Ashley BaderStudent in an Organized Health Care Education/Training Program1245116482
  2. Leo Bowman, LCSWClinical Social Worker1811549702
  3. Shontae ChambersStudent in an Organized Health Care Education/Training Program1316767551
  4. Mackenzie ClaytonSocial Worker1952220287
  5. Tiffiany CollierStudent in an Organized Health Care Education/Training Program1639990484
  6. Claire Cornett, CSWClinical Social Worker1033526504

Verify Benjamin T. Mast in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
    Search for license KY-1464
    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 Kentucky 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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The practice group's MIPS final score for 2023 (Medicare payment program): 73.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score58.7
  2. Costout of 100 · 30%51.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Louisville Physicians IncLouisville, KY

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

Benjamin T. Mast among 714 clinical psychologist records in Kentucky

Benjamin T. Mast, PH.D. is one of 714 clinical psychologist records with a practice address in Kentucky. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.

  • NPI issued2008 · 41% of these records are older, 54% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2002 · median 2010 among the 134 with a school on file
  • Record last updated2020 · 61% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

248 clinical psychologist records list a practice address in Louisville

They are 248 of the 21,891 NPPES records with a practice address in Louisville, and 714 clinical psychologist records in Kentucky.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Abbie Beacham, PH.D.Louisville, KY 402021043435506
  2. Jessica Beal Korhonen, PSY.D.Louisville, KY 402021255590212
  3. Laurie Grimes, PH.D.Louisville, KY 402021518056415
  4. Kimberly LafolletteLouisville, KY 402021386662773
  5. Kara Lonser, PSYDLouisville, KY 402021013172865
  6. Gregory Nordloh, PH.D.Louisville, KY 402021609076819
  7. Helen Scheckelhoff, PSY.D.Louisville, KY 402021528109907
  8. Elizabeth Schumacher, PH.D.Louisville, KY 402021912008814

Common questions

What is Benjamin T. Mast, PH.D.'s NPI number?

Benjamin T. Mast, PH.D.'s National Provider Identifier (NPI) is 1306011671, issued on Apr 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin T. Mast, PH.D. located?

The NPPES record lists a practice address at 204 E Market St, Louisville, KY, 40202. Phone: (502) 588-4340. Providers update this record themselves, so call before visiting.

How can I verify Benjamin T. Mast, PH.D.'s license?

NPPES lists Kentucky license number KY-1464, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.

What is Benjamin T. Mast, PH.D.'s MIPS final score?

The 2023 MIPS final score is 73.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.