Cassie Lefebvre
Behavior Analyst · Haverhill, MA
Cassie Lefebvre is a behavior analyst with a practice address in Haverhill, Massachusetts, and NPI 1194370528, issued on Aug 2, 2019. Check the license with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cassie Lefebvre
- Primary taxonomy
- Behavior Analyst 103K00000X
- Practice location
- 74 Buttonwoods Ave, Haverhill, MA 01830
- Phone
- (978) 501-5459
- Enumerated
- Aug 2, 2019
- Record last updated
- Aug 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest behavior analyst records → All 4,718 in Massachusetts → Look up another NPI →
Verify Cassie Lefebvre in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts 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
Cassie Lefebvre among 4,718 behavior analyst records in Massachusetts
Cassie Lefebvre is one of 4,718 behavior analyst records with a practice address in Massachusetts. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 58% of them.
- NPI issued2019 · 58% of these records are older, 33% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103K00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 behavior analyst records list a practice address in Haverhill
They are 18 of the 1,185 NPPES records with a practice address in Haverhill, and 4,718 behavior analyst records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,718 in Massachusetts → Every provider in Haverhill → Behavior Analyst nationwide →
The 8 behavior analyst records with the nearest ZIP codes
- Dahiana FuentesHaverhill, MA 018301790085918
- Mark GarrigusHaverhill, MA 018301578007134
- Anthony GesamondoHaverhill, MA 018301497495733
- David RocheHaverhill, MA 018301437507118
- Jeremy ShannonHaverhill, MA 018301316257686
- Samuel ZanoHaverhill, MA 018301225348915
- Kirstin Alfonso, M.ED., BCBA, LABAHaverhill, MA 018321063183051
- Marilyn GonzalezHaverhill, MA 018321972193860
Common questions
What is Cassie Lefebvre's NPI number?
Cassie Lefebvre's National Provider Identifier (NPI) is 1194370528, issued on Aug 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Cassie Lefebvre located?
The NPPES record lists a practice address at 74 Buttonwoods Ave, Haverhill, MA, 01830. Phone: (978) 501-5459. Providers update this record themselves, so call before visiting.
How can I verify Cassie Lefebvre's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.