Barbara Johnson, AGPCNP-BC
NPI 1821546722 · Gerontology Nurse Practitioner · Chantilly, VA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Johnson, AGPCNP-BC is a Gerontology Nurse Practitioner provider in Chantilly, VA (NPI 1821546722).
Provider details
- NPI number
- 1821546722
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGPCNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN183152 (GA)
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
9 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
- 2016-09-20
- Last updated
- 2016-09-20
Frequently asked questions
- What is Barbara Johnson's NPI number?
- Barbara Johnson's National Provider Identifier (NPI) is 1821546722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Johnson's specialty?
- Barbara Johnson is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Johnson located?
- Barbara Johnson's practice location on file with NPPES is 14121 Parke Long Ct, Chantilly, VA 20151-1647.
- What is Barbara Johnson's phone number?
- The practice phone number listed in the NPPES registry for Barbara Johnson is (516) 642-2161.
- Does Barbara Johnson accept Medicare?
- Barbara Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Johnson's NPI active?
- Yes — Barbara Johnson's NPI (1821546722) is active in the NPPES registry as of the last update on 2016-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.