Registry data as of Aug 27, 2026

Shadi Johnston, LMHC

Mental Health Counselor · Cambridge, MA

Shadi Johnston, LMHC is a mental health counselor with a practice address in Cambridge, Massachusetts, and NPI 1629842398, issued on Nov 13, 2023. Check the license (Massachusetts 8415, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1629842398
Name
Shadi Johnston
Credential
LMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
8415 MA
Self-reported in NPPES; status is on the state search
Practice location
22 Hilliard St, Cambridge, MA 02138
Phone
(617) 396-4658
Enumerated
Nov 13, 2023
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 22 Hilliard St

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

  1. Emily Bailey, PSYD.Clinical Psychologist1306929997
  2. Jessica Amber Barke, LICSWClinical Social Worker1164850012
  3. Linda Camlin, PH.D.Clinical Psychologist1740408335
  4. Marci Evans, MS, RDRegistered Dietitian1114159191
  5. Aisling HegartyMental Health Counselor1013729276
  6. Elizabeth Jarrard, RDRegistered Dietitian1568729556

Verify Shadi Johnston 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 8415
    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.

276 mental health counselor records list a Cambridge practice address

They are 276 of the 5,145 NPPES records with a Cambridge 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.

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 Shadi Johnston, LMHC's NPI number?

Shadi Johnston, LMHC's National Provider Identifier (NPI) is 1629842398, issued on Nov 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Shadi Johnston, LMHC located?

The NPPES record lists a practice address at 22 Hilliard St, Cambridge, MA, 02138. Phone: (617) 396-4658. Providers update this record themselves, so call before visiting.

How can I verify Shadi Johnston, LMHC's license?

NPPES lists Massachusetts license number 8415, 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), 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.