Katherine Duffy
Behavior Analyst · Rockville, MD
Katherine Duffy is a behavior analyst with a practice address in Rockville, Maryland, and NPI 1932863537, issued on Oct 29, 2021. Check the license with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Duffy
- Primary taxonomy
- Behavior Analyst 103K00000X
- Practice location
- 1390 Piccard Dr Ste 100, Rockville, MD 20850
- Phone
- (301) 327-5199
- Enumerated
- Oct 29, 2021
- Entity
- Type 1 · individual
Also registered at 1390 Piccard Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
104 behavior analyst records list a Rockville practice address
They are 104 of the 14,353 NPPES records with a Rockville practice address, and 1,414 behavior analyst records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 104 in Rockville → All 1,414 in Maryland → Every provider in Rockville →
Other behavior analyst records in Maryland
- Ruha AbateDerwood, MD1538623244
- Lydia AberaSilver Spring, MD1396474359
- Yoseph AbergelOwings Mills, MD1396496840
- Sydnie AbrechtPikesville, MD1962350223
- Nkemdilim AchikeBaltimore, MD1083237143
- Ashli AdamsRockville, MD1154864635
- Bruce AdamsColumbia, MD1255998977
- Oluwatomisin AdepojuColumbia, MD1629518485
- Senami AdepojuBaltimore, MD1710641675
- Olanrewaju Adetunji, MDOwings Mills, MD1275351157
Common questions
What is Katherine Duffy's NPI number?
Katherine Duffy's National Provider Identifier (NPI) is 1932863537, issued on Oct 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Duffy located?
The NPPES record lists a practice address at 1390 Piccard Dr Ste 100, Rockville, MD, 20850. Phone: (301) 327-5199. Providers update this record themselves, so call before visiting.
How can I verify Katherine Duffy's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.