Ervin Johnson, PH.D.
NPI 1649536814 · Student in an Organized Health Care Education/Training Program · Boston, MA
Ervin Johnson, PH.D. is a Student in an Organized Health Care Education/Training Program provider in Boston, MA (NPI 1649536814).
Provider details
- NPI number
- 1649536814
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-04-02
- Last updated
- 2012-04-02
Frequently asked questions
- What is Ervin Johnson's NPI number?
- Ervin Johnson's National Provider Identifier (NPI) is 1649536814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ervin Johnson's specialty?
- Ervin Johnson is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Ervin Johnson located?
- Ervin Johnson's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Ervin Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ervin Johnson is (617) 355-8241.
- Is Ervin Johnson's NPI active?
- Yes — Ervin Johnson's NPI (1649536814) is active in the NPPES registry as of the last update on 2012-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.