NPPES file of Aug 9, 2026

Thomas Edward Knudsen, PSY.D., ABBP

Clinical Psychologist · Watertown, NY

Thomas Edward Knudsen, PSY.D., ABBP is a clinical psychologist with a practice address in Watertown, New York, and NPI 1841256716, issued on Apr 21, 2006. Check the license (New York 014488, as entered in NPPES) with the New York 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
1841256716
Name
Thomas Edward Knudsen
Credential
PSY.D., ABBP
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
014488 NY
Self-reported in NPPES; status is on the state search
Practice location
531 Washington St, Watertown, NY 13601
Phone
(315) 788-3332
Enumerated
Apr 21, 2006
Record last updated
Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(315) 788-4584
Medicare enrollment
Enrolled (PECOS I20070213000308); 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 6,558 in New York → Look up another NPI →

Also registered at 531 Washington St

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

  1. Heidi Abbey, LCSW-RClinical Social Worker1306924675
  2. Britnee Berrett, LCSWSocial Worker1124680350
  3. Craig Brower, PSY DPsychologist1659394849
  4. Donald Danser, PH.D.Clinical Psychologist1881670578
  5. Bruce Dines, DMDOral and Maxillofacial Surgery (Dentist)1871584193
  6. Moid Khan, M.D.Family Medicine Physician1417046038

Verify Thomas Edward Knudsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 014488    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 New York 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. Rubenzahl, Knudsen And Associates Psych., Srvcs, P.C.Watertown, NY

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

Thomas Edward Knudsen among 6,558 clinical psychologist records in New York

Thomas Edward Knudsen, PSY.D., ABBP is one of 6,558 clinical psychologist records with a practice address in New York. 7% 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, 75% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1999 · median 1996 among the 1,251 with a school on file
  • Record last updated2021 · 73% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in New York

There are 6,558 clinical psychologist records in New York.

All 6,558 in New York → Every provider in Watertown → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Donald Danser, PH.D.Watertown, NY 136011881670578
  2. Jeanne Emery, PSY.D.Watertown, NY 136011952469389
  3. William Kimball, PH.D.Watertown, NY 136011053413229
  4. Cynthia Maguire, PSYDWatertown, NY 136011194744730
  5. Richard Oman, ED.D.Watertown, NY 136011407808116
  6. Christopher Summers, PSY.D.Watertown, NY 136011780766402
  7. Matthew Bell, PSY.D.Ft Drum, NY 136021255312716
  8. Todd Benham, PSYD, ABPPFort Drum, NY 136021558350777

Common questions

What is Thomas Edward Knudsen, PSY.D., ABBP's NPI number?

Thomas Edward Knudsen, PSY.D., ABBP's National Provider Identifier (NPI) is 1841256716, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Edward Knudsen, PSY.D., ABBP located?

The NPPES record lists a practice address at 531 Washington St, Watertown, NY, 13601. Phone: (315) 788-3332. Providers update this record themselves, so call before visiting.

How can I verify Thomas Edward Knudsen, PSY.D., ABBP's license?

NPPES lists New York license number 014488, as entered by the provider. Search the New York 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.