NPPES file of Aug 9, 2026

Leif Eric Leaf, PHD

Psychologist · Leavenworth, KS

Leif Eric Leaf, PHD is a psychologist with a practice address in Leavenworth, Kansas, and NPI 1336244631, issued on Sep 13, 2006. Check the license (Kansas 701, as entered in NPPES) with the Kansas 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
1336244631
Name
Leif Eric Leaf
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License numbers
701 KS
01356 MO
Self-reported in NPPES; status is on the state search
Practice location
3515 S 4TH St, Leavenworth, KS 66048
Phone
(913) 651-8415
Enumerated
Sep 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(913) 772-8580
Medicare enrollment
Enrolled (PECOS I20060410000423); 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 psychologist records → All 600 in Kansas → Look up another NPI →

Also registered at 3515 S 4TH St

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

  1. Man Anand, MDPsychiatry Physician1194811281
  2. Gregory Ellermann, PHDPsychologist1801991195
  3. Judith Johnson, MSN, APRN, BCPsychiatric/Mental Health Nurse Practitioner1962458182
  4. Jacqueline Pfeifer, PHDPsychologist1710082078
  5. Annalise Tinker, MA, LCPC, NCCProfessional Counselor1033729660

Verify Leif Eric Leaf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kansas board licenses this profession
    Search for license 701    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 Kansas 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. Frederick J Tirrell Phd Professional AssociationLeavenworth, KS

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

Leif Eric Leaf among 600 psychologist records in Kansas

Leif Eric Leaf, PHD is one of 600 psychologist records with a practice address in Kansas. 12% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 69% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1986 · median 2000 among the 107 with a school on file
  • Record last updated2007 · 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 103T00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 psychologist records list a practice address in Leavenworth

They are 34 of the 1,059 NPPES records with a practice address in Leavenworth, and 600 psychologist records in Kansas.

All 600 in Kansas → Every provider in Leavenworth → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Julie Arb, PHDLeavenworth, KS 660481316177165
  2. Cari Chapman, LCPLeavenworth, KS 660481194792879
  3. Lindsey Colburn-Malousek, LPLeavenworth, KS 660481184864894
  4. Gregory Ellermann, PHDLeavenworth, KS 660481801991195
  5. Mary Gregerson, PHDLeavenworth, KS 660481326265810
  6. Jason Malousek, PSYD, LPLeavenworth, KS 660481750537031
  7. William Moffitt, PHDLeavenworth, KS 660481417052614
  8. Mary Oehlert, PH.D.Leavenworth, KS 660481699723346

Common questions

What is Leif Eric Leaf, PHD's NPI number?

Leif Eric Leaf, PHD's National Provider Identifier (NPI) is 1336244631, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leif Eric Leaf, PHD located?

The NPPES record lists a practice address at 3515 S 4TH St, Leavenworth, KS, 66048. Phone: (913) 651-8415. Providers update this record themselves, so call before visiting.

How can I verify Leif Eric Leaf, PHD's license?

NPPES lists Kansas license number 701, as entered by the provider. Search the Kansas 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.