NPPES file of Aug 9, 2026

Cassandra Mountain, BCBA

Behavior Analyst · Duxbury, MA

Cassandra Mountain, BCBA is a behavior analyst with a practice address in Duxbury, Massachusetts, and NPI 1861054652, issued on Jul 2, 2019. Check the license (Massachusetts 1-14-16609, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861054652
Name
Cassandra Mountain
Credential
BCBA
Primary taxonomy
Behavior Analyst 103K00000X
License number
1-14-16609 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Tremont St, Duxbury, MA 02332
Phone
(781) 987-4107
Enumerated
Jul 2, 2019
Record last updated
Jul 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest behavior analyst records → All 4,718 in Massachusetts → Look up another NPI →

Also registered at 20 Tremont St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kathleen Barber, LMHCMental Health Counselor1376674168
  2. Joseph Carew, D.M.D.Endodontics1518049444
  3. Milton Childress, M.D.Neurology Physician1346324365
  4. Stephen Delia, M.D.Plastic Surgery Physician1851340921
  5. John Dwyer, L.I. C.S.W.Clinical Social Worker1104927953
  6. Marion Dwyer, L.I.C.S.W.Clinical Social Worker1962503755

Verify Cassandra Mountain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 1-14-16609    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Cassandra Mountain among 4,718 behavior analyst records in Massachusetts

Cassandra Mountain, BCBA 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).

11 behavior analyst records list a practice address in Duxbury

They are 11 of the 221 NPPES records with a practice address in Duxbury, 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 Duxbury → Behavior Analyst nationwide →

The 8 behavior analyst records with the nearest ZIP codes

  1. Adam Clark, M.ED., BCBADuxbury, MA 023321861940728
  2. Hannah Davis, BCBADuxbury, MA 023321174185417
  3. Karen DemartinoDuxbury, MA 023321982151437
  4. Jason DespierDuxbury, MA 023321861753683
  5. Laura Desrosiers, BCBA, LABADuxbury, MA 023321821552118
  6. Jillian GeerDuxbury, MA 023321386955482
  7. Melissa Guzek, BCBADuxbury, MA 023321457835522
  8. Alexis MeyerDuxbury, MA 023321427625904

Common questions

What is Cassandra Mountain, BCBA's NPI number?

Cassandra Mountain, BCBA's National Provider Identifier (NPI) is 1861054652, issued on Jul 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Mountain, BCBA located?

The NPPES record lists a practice address at 20 Tremont St, Duxbury, MA, 02332. Phone: (781) 987-4107. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Mountain, BCBA's license?

NPPES lists Massachusetts license number 1-14-16609, as entered by the provider. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.