Zachary Knowlton, PTA
NPI 1679224315 · Physical Therapy Assistant · Littleton, NH
Zachary Knowlton, PTA is a Physical Therapy Assistant provider in Littleton, NH (NPI 1679224315).
Provider details
- NPI number
- 1679224315
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PTA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1365 (NH)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-01-14
- Last updated
- 2022-01-14
- Certified
- 2022-01-13
Frequently asked questions
- What is Zachary Knowlton's NPI number?
- Zachary Knowlton's National Provider Identifier (NPI) is 1679224315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Knowlton's specialty?
- Zachary Knowlton is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Zachary Knowlton located?
- Zachary Knowlton's practice location on file with NPPES is 600 Saint Johnsbury Rd, Littleton, NH 03561-3442.
- What is Zachary Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Zachary Knowlton is (603) 444-9530.
- Is Zachary Knowlton's NPI active?
- Yes — Zachary Knowlton's NPI (1679224315) is active in the NPPES registry as of the last update on 2022-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.