What is Nicholas Knowlton's NPI number?

Nicholas Knowlton's National Provider Identifier (NPI) is 1942817861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nicholas Knowlton's specialty?

Nicholas Knowlton is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Nicholas Knowlton located?

Nicholas Knowlton's practice location on file with NPPES is 7529 Standish Pl Ste 355, Derwood, MD 20855-2733.

What is Nicholas Knowlton's phone number?

The practice phone number listed in the NPPES registry for Nicholas Knowlton is (301) 444-5001.

Is Nicholas Knowlton's NPI active?

Yes — Nicholas Knowlton's NPI (1942817861) is active in the NPPES registry as of the last update on 2026-01-24.

IndividualActive

Nicholas Knowlton

NPI 1942817861 · Behavior Analyst · Derwood, MD

Nicholas Knowlton is a Behavior Analyst provider in Derwood, MD (NPI 1942817861).

Provider details

NPI number: 1942817861
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 0133004322 (VA)

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense 0133004322 (VA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(63/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 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

7529 Standish Pl Ste 355

Derwood, MD 20855-2733

Phone: (301) 444-5001

Street-level locationGet directions

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Mailing address