Janessa Six, NP
NPI 1578029781 · Family Nurse Practitioner · Alexandria, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janessa Six, NP is a Family Nurse Practitioner provider in Alexandria, VA (NPI 1578029781).
Provider details
- NPI number
- 1578029781
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP1034292 (DC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1350 Connecticut Ave Nw Ste 1250Washington, DC 20036-1728Phone: (888) 663-6331Fax: (415) 252-7176
Registry dates
- Enumerated
- 2019-02-12
- Last updated
- 2025-04-07
- Certified
- 2025-04-07
Frequently asked questions
- What is Janessa Six's NPI number?
- Janessa Six's National Provider Identifier (NPI) is 1578029781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janessa Six's specialty?
- Janessa Six is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janessa Six located?
- Janessa Six's practice location on file with NPPES is 6677 Richmond Hwy, Alexandria, VA 22306-6647.
- What is Janessa Six's phone number?
- The practice phone number listed in the NPPES registry for Janessa Six is (703) 535-5568.
- Does Janessa Six accept Medicare?
- Janessa Six is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janessa Six's NPI active?
- Yes — Janessa Six's NPI (1578029781) is active in the NPPES registry as of the last update on 2025-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.