What is Katherine Duffy's NPI number?

Katherine Duffy's National Provider Identifier (NPI) is 1932863537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katherine Duffy's specialty?

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

Where is Katherine Duffy located?

Katherine Duffy's practice location on file with NPPES is 1390 Piccard Dr Ste 100, Rockville, MD 20850-4368.

What is Katherine Duffy's phone number?

The practice phone number listed in the NPPES registry for Katherine Duffy is (301) 327-5199.

Is Katherine Duffy's NPI active?

Yes — Katherine Duffy's NPI (1932863537) is active in the NPPES registry as of the last update on 2025-07-17.

IndividualActive

Katherine Duffy

NPI 1932863537 · Behavior Analyst · Rockville, MD

Katherine Duffy is a Behavior Analyst provider in Rockville, MD (NPI 1932863537).

Provider details

NPI number: 1932863537
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

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
83% 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

1390 Piccard Dr Ste 100

Rockville, MD 20850-4368

Phone: (301) 327-5199

Street-level locationGet directions

More MD providers

Mailing address