Johnna Marcus, LICSW
NPI 1538717277 · Addiction (Substance Use Disorder) Counselor · Boston, MA
Johnna Marcus, LICSW is a Addiction (Substance Use Disorder) Counselor provider in Boston, MA (NPI 1538717277).
Provider details
- NPI number
- 1538717277
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-08-27
- Last updated
- 2019-08-27
Frequently asked questions
- What is Johnna Marcus's NPI number?
- Johnna Marcus's National Provider Identifier (NPI) is 1538717277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnna Marcus's specialty?
- Johnna Marcus is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Johnna Marcus located?
- Johnna Marcus's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5400.
- What is Johnna Marcus's phone number?
- The practice phone number listed in the NPPES registry for Johnna Marcus is (617) 667-7618.
- Is Johnna Marcus's NPI active?
- Yes — Johnna Marcus's NPI (1538717277) is active in the NPPES registry as of the last update on 2019-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.