NPPES file of Aug 9, 2026

Ellen A. Horwitz, PHD

Clinical Psychologist · Columbia, MO

Ellen A. Horwitz, PHD is a clinical psychologist with a practice address in Columbia, Missouri, and NPI 1093769705, issued on May 19, 2006. Check the license (Missouri PY01213, as entered in NPPES) with the Missouri board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1093769705
Name
Ellen A. Horwitz
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PY01213 MO
Self-reported in NPPES; status is on the state search
Practice location
402 N Keene St, Columbia, MO 65201
Phone
(573) 882-6921
Enumerated
May 19, 2006
Record last updated
Aug 16, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(573) 882-1154
Medicaid ID
493396303 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 911 in Missouri → Look up another NPI →

Also registered at 402 N Keene St

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

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  2. Madalyn Barnett, MDObstetrics & Gynecology Physician1003592189
  3. Richard Barohn, M.D.Neuromuscular Medicine (Psychiatry & Neurology) Physician1073610663
  4. Jaime Basnett, FNP-BCFamily Nurse Practitioner1659792695
  5. Prudence Baugher, PA-CPhysician Assistant1376752550
  6. David Beversdorf, M.D.Behavioral Neurology & Neuropsychiatry Physician1639253982

Verify Ellen A. Horwitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license PY01213    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 Missouri license search

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Ellen A. Horwitz among 911 clinical psychologist records in Missouri

Ellen A. Horwitz, PHD is one of 911 clinical psychologist records with a practice address in Missouri. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 23% of these records are
  • Record last updated2011 · 59% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

67 clinical psychologist records list a practice address in Columbia

They are 67 of the 6,004 NPPES records with a practice address in Columbia, and 911 clinical psychologist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 911 in Missouri → Every provider in Columbia → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Laura Brenner, PH.D.Columbia, MO 652011699795419
  2. Martha Brownlee-Duffeck, PH.D.Columbia, MO 652011023077237
  3. Alice Christensen, PH.D.Columbia, MO 652011356300156
  4. Deborah Doxsee, PH.D.Columbia, MO 652011194818633
  5. Micah Mazurek, PH.D.Columbia, MO 652011164575965
  6. Jamie Meadows, PH.D.Columbia, MO 652011699750562
  7. Michael Moore, PH.D.Columbia, MO 652011891750352
  8. Susan O'Neill, PH.D.Columbia, MO 652011972652238

Common questions

What is Ellen A. Horwitz, PHD's NPI number?

Ellen A. Horwitz, PHD's National Provider Identifier (NPI) is 1093769705, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ellen A. Horwitz, PHD located?

The NPPES record lists a practice address at 402 N Keene St, Columbia, MO, 65201. Phone: (573) 882-6921. Providers update this record themselves, so call before visiting.

How can I verify Ellen A. Horwitz, PHD's license?

NPPES lists Missouri license number PY01213, as entered by the provider. Search the Missouri 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. 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.