Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Thomas Edward Knudsen, PSYD, ABBP

Individual provider Clinical Psychologist · NPI 1841256716

Thomas Edward Knudsen, PSYD, ABBP is a Clinical Psychologist in Watertown, New York. Qualified in 1999, 27 years ago. Practices with Rubenzahl, Knudsen and Associates Psych , Srvcs, PC, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
27
Licensed in
NY
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

531 Washington St 2nd Fl
Watertown, NY 13601
Phone: (315) 788-3332
Fax: (315) 788-4584
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7785 N State St, Lowville, NY 13367-1229 — (315) 376-5200

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 014488 (NY)

Record details

NPI number1841256716
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD , ABBP
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESDecember 28, 2021
Certification dateDecember 28, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Rubenzahl, Knudsen And Associates Psych., Srvcs, P.C. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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