Martin Knowles, LCSW
NPI 1154465599 · Clinical Social Worker · Kingston, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Knowles, LCSW is a Clinical Social Worker provider in Kingston, NY (NPI 1154465599).
Provider details
- NPI number
- 1154465599
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 051030 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2007-02-19
- Last updated
- 2022-06-01
- Certified
- 2022-06-01
Frequently asked questions
- What is Martin Knowles's NPI number?
- Martin Knowles's National Provider Identifier (NPI) is 1154465599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Knowles's specialty?
- Martin Knowles is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martin Knowles located?
- Martin Knowles's practice location on file with NPPES is 101 Hurley Ave Ste 4, Kingston, NY 12401-2836.
- What is Martin Knowles's phone number?
- The practice phone number listed in the NPPES registry for Martin Knowles is (845) 430-3131.
- Does Martin Knowles accept Medicare?
- Martin Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Knowles's NPI active?
- Yes — Martin Knowles's NPI (1154465599) is active in the NPPES registry as of the last update on 2022-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.