NPPES file of Aug 9, 2026

Kenna Christine Bolton Holz, PHD

Clinical Psychologist · Duluth, MN

Kenna Christine Bolton Holz, PHD is a clinical psychologist with a practice address in Duluth, Minnesota, and NPI 1962770685, issued on Dec 8, 2011. Check the license (Minnesota 5425, as entered in NPPES) with the Minnesota 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
1962770685
Name
Kenna Christine Bolton Holz
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
5425 MN
2918-57 WI
Self-reported in NPPES; status is on the state search
Practice location
530 East Second Street, Duluth, MN 55805
Phone
(218) 786-5360
Enumerated
Dec 8, 2011
Record last updated
Apr 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120313000493); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 530 East Second Street

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

  1. Samantha McIlrath, OTROccupational Therapist1801348941
  2. Noah Pearson, DPTPhysical Therapist1790345650
  3. Anna Ryan, PHD, LPPsychologist1760902787
  4. Stephen Ryan, PHDPsychologist1831629047
  5. David Stephan, DPTPhysical Therapist1376065987
  6. Eric Willms, PSY.D., LPClinical Psychologist1437302130

Verify Kenna Christine Bolton Holz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license 5425
    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 Minnesota 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 one group practice

  1. The Duluth Clinic LtdDuluth, MN

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

Kenna Christine Bolton Holz among 1,538 clinical psychologist records in Minnesota

Kenna Christine Bolton Holz, PHD is one of 1,538 clinical psychologist records with a practice address in Minnesota. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 62% of them.

  • NPI issued2011 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2009 · median 2008 among the 510 with a school on file
  • Record last updated2019 · 66% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 clinical psychologist records list a practice address in Duluth

They are 43 of the 4,084 NPPES records with a practice address in Duluth, and 1,538 clinical psychologist records in Minnesota.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Jillian Baranzini, PSYD, LPDuluth, MN 558051962686378
  2. Kelsey Berg, PSYDDuluth, MN 558051881945988
  3. Elizabeth Carver, LPDuluth, MN 558051700940723
  4. Aimee Cruz, PSYDDuluth, MN 558051518580117
  5. Julianne Davis, PSYDDuluth, MN 558051659322915
  6. Blair Hildebrandt, LP, PSYDDuluth, MN 558051952990285
  7. Molly Kolquist-Kucza, PSYD, LPDuluth, MN 558051649943366
  8. Kristen Lane, PSYD, LPDuluth, MN 558051497208706

Common questions

What is Kenna Christine Bolton Holz, PHD's NPI number?

Kenna Christine Bolton Holz, PHD's National Provider Identifier (NPI) is 1962770685, issued on Dec 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Kenna Christine Bolton Holz, PHD located?

The NPPES record lists a practice address at 530 East Second Street, Duluth, MN, 55805. Phone: (218) 786-5360. Providers update this record themselves, so call before visiting.

How can I verify Kenna Christine Bolton Holz, PHD's license?

NPPES lists Minnesota license number 5425, as entered by the provider. Search the Minnesota 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.