Registry data as of Aug 27, 2026

Jonathan Cassamajor

Mental Health Counselor · Randolph, MA

Jonathan Cassamajor is a mental health counselor with a practice address in Randolph, Massachusetts, and NPI 1689035826, issued on Mar 16, 2016. Check the license 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689035826
Name
Jonathan Cassamajor
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
400 N Main St, Randolph, MA 02368
Phone
(401) 434-0191
Enumerated
Mar 16, 2016
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.
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Also registered at 400 N Main St

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

  1. Cleusa AfonsoCounselor1265830723
  2. Timothy AlbinCounselor1760369128
  3. Michailoff AlexisMental Health Counselor1932884558
  4. Pascale AzorCounselor1093113409
  5. Wanda CasillasAddiction (Substance Use Disorder) Counselor1770069676
  6. Leonel CastilloCase Manager/Care Coordinator1437506862

Verify Jonathan Cassamajor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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.

262 mental health counselor records list a Randolph practice address

They are 262 of the 941 NPPES records with a Randolph practice address, and 18,238 mental health counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 262 in Randolph → All 18,238 in Massachusetts → Every provider in Randolph →

Other mental health counselor records in Massachusetts

  1. Casandra Aasmundsen, MAWorcester, MA1104234442
  2. Maryam AbalkhailHolyoke, MA1275035131
  3. Daniela AbarcaSpringfield, MA1871262006
  4. Lorena Abarr, LMHC, CADCAmherst, MA1902178858
  5. Laura AbascianoDedham, MA1336446137
  6. Tatyana AbashinaSpringfield, MA1902013113
  7. Diana AbathGreenfield, MA1679371942
  8. Elizabeth AbbateRevere, MA1992053748
  9. Brianna Abbott, LMHC LADC1Springfield, MA1225503725
  10. Bryan Abbott, MSTaunton, MA1306671987

Common questions

What is Jonathan Cassamajor's NPI number?

Jonathan Cassamajor's National Provider Identifier (NPI) is 1689035826, issued on Mar 16, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Cassamajor located?

The NPPES record lists a practice address at 400 N Main St, Randolph, MA, 02368. Phone: (401) 434-0191. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Cassamajor'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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

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.