Johnnie Hamilton - Mason, PH.D
NPI 1790837409 · Clinical Social Worker · Boston, MA
Johnnie Hamilton - Mason, PH.D is a Clinical Social Worker provider in Boston, MA (NPI 1790837409).
Provider details
- NPI number
- 1790837409
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- 103494 (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
19 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
- 2007-01-16
- Last updated
- 2020-05-21
- Certified
- 2020-05-21
Frequently asked questions
- What is Johnnie Hamilton - Mason's NPI number?
- Johnnie Hamilton - Mason's National Provider Identifier (NPI) is 1790837409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnnie Hamilton - Mason's specialty?
- Johnnie Hamilton - Mason is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Johnnie Hamilton - Mason located?
- Johnnie Hamilton - Mason's practice location on file with NPPES is 42 Seaverns Ave, Boston, MA 02130-2884.
- What is Johnnie Hamilton - Mason's phone number?
- The practice phone number listed in the NPPES registry for Johnnie Hamilton - Mason is (617) 521-3911.
- Is Johnnie Hamilton - Mason's NPI active?
- Yes — Johnnie Hamilton - Mason's NPI (1790837409) is active in the NPPES registry as of the last update on 2020-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.