Catherine Johnson, PA-C
NPI 1699591958 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Johnson, PA-C is a Physician Assistant provider in Boston, MA (NPI 1699591958).
Provider details
- NPI number
- 1699591958
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-12-02
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Catherine Johnson's NPI number?
- Catherine Johnson's National Provider Identifier (NPI) is 1699591958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Johnson's specialty?
- Catherine Johnson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Johnson located?
- Catherine Johnson's practice location on file with NPPES is 1 Boston Medical Ctr Pl Fl Place1, Boston, MA 02118-2908.
- What is Catherine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Catherine Johnson is (617) 414-5481.
- Does Catherine Johnson accept Medicare?
- Catherine Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Johnson's NPI active?
- Yes — Catherine Johnson's NPI (1699591958) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.