Thomas Knudsen, PSY.D., ABBP
NPI 1841256716 · Clinical Psychologist · Watertown, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Knudsen, PSY.D., ABBP is a Clinical Psychologist provider in Watertown, NY (NPI 1841256716).
Provider details
- NPI number
- 1841256716
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D., ABBP
- Sex
- Male
- Sole proprietor
- No
- License
- 014488 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 7785 N State StLowville, NY 13367-1229Phone: (315) 376-5200Fax: (315) 368-3230
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2021-12-28
- Certified
- 2021-12-28
Frequently asked questions
- What is Thomas Knudsen's NPI number?
- Thomas Knudsen's National Provider Identifier (NPI) is 1841256716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Knudsen's specialty?
- Thomas Knudsen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas Knudsen located?
- Thomas Knudsen's practice location on file with NPPES is 531 Washington St, Watertown, NY 13601.
- What is Thomas Knudsen's phone number?
- The practice phone number listed in the NPPES registry for Thomas Knudsen is (315) 788-3332.
- Does Thomas Knudsen accept Medicare?
- Thomas Knudsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Knudsen's NPI active?
- Yes — Thomas Knudsen's NPI (1841256716) is active in the NPPES registry as of the last update on 2021-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.