Shadi Johnston, LMHC
NPI 1629842398 · Mental Health Counselor · Cambridge, MA
Shadi Johnston, LMHC is a Mental Health Counselor provider in Cambridge, MA (NPI 1629842398).
Provider details
- NPI number
- 1629842398
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 8415 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-11-13
- Last updated
- 2023-11-13
- Certified
- 2023-11-13
Frequently asked questions
- What is Shadi Johnston's NPI number?
- Shadi Johnston's National Provider Identifier (NPI) is 1629842398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shadi Johnston's specialty?
- Shadi Johnston is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Shadi Johnston located?
- Shadi Johnston's practice location on file with NPPES is 22 Hilliard St, Cambridge, MA 02138-4972.
- What is Shadi Johnston's phone number?
- The practice phone number listed in the NPPES registry for Shadi Johnston is (617) 396-4658.
- Is Shadi Johnston's NPI active?
- Yes — Shadi Johnston's NPI (1629842398) is active in the NPPES registry as of the last update on 2023-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.