Diane Johnston
NPI 1194799551 · Certified Registered Nurse Anesthetist · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Johnston is a Certified Registered Nurse Anesthetist provider in Pittsburgh, PA (NPI 1194799551).
Provider details
- NPI number
- 1194799551
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN259736L (PA)
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
20 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
- 2006-02-14
- Last updated
- 2021-06-15
Frequently asked questions
- What is Diane Johnston's NPI number?
- Diane Johnston's National Provider Identifier (NPI) is 1194799551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Johnston's specialty?
- Diane Johnston is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Johnston located?
- Diane Johnston's practice location on file with NPPES is 3550 Terrace St, Pittsburgh, PA 15213-2500.
- What is Diane Johnston's phone number?
- The practice phone number listed in the NPPES registry for Diane Johnston is (412) 647-2808.
- Does Diane Johnston accept Medicare?
- Diane Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Johnston's NPI active?
- Yes — Diane Johnston's NPI (1194799551) is active in the NPPES registry as of the last update on 2021-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.